diff --git a/basicswap/static/js/active.js b/basicswap/static/js/active.js
index d6d1767..5c4b82f 100644
--- a/basicswap/static/js/active.js
+++ b/basicswap/static/js/active.js
@@ -266,18 +266,33 @@ const WebSocketManager = {
     },
 
     connect() {
-        if (this.ws?.readyState === WebSocket.OPEN) return;
+    if (this.ws?.readyState === WebSocket.OPEN) return;
 
-        try {
-            const wsPort = window.ws_port || '11700';
-            this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
-            this.setupEventHandlers();
-        } catch (error) {
-            console.error('WebSocket connection error:', error);
-            this.handleReconnect();
+    try {
+
+        let wsPort;
+        
+        if (typeof getWebSocketConfig === 'function') {
+            const wsConfig = getWebSocketConfig();
+            wsPort = wsConfig?.port || wsConfig?.fallbackPort;
         }
-    },
 
+        if (!wsPort && window.config?.port) {
+            wsPort = window.config.port;
+        }
+
+        if (!wsPort) {
+            wsPort = window.ws_port || '11700';
+        }
+
+        console.log("Using WebSocket port:", wsPort);
+        this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
+        this.setupEventHandlers();
+    } catch (error) {
+        console.error('WebSocket connection error:', error);
+        this.handleReconnect();
+    }
+},
     setupEventHandlers() {
         this.ws.onopen = () => {
             state.wsConnected = true;
diff --git a/basicswap/static/js/bids_available.js b/basicswap/static/js/bids_available.js
index a183fd2..7e31cca 100644
--- a/basicswap/static/js/bids_available.js
+++ b/basicswap/static/js/bids_available.js
@@ -357,17 +357,29 @@ const WebSocketManager = {
     },
 
     connect() {
-        if (this.ws?.readyState === WebSocket.OPEN) return;
+    if (this.ws?.readyState === WebSocket.OPEN) return;
 
-        try {
-            const wsPort = window.ws_port || '11700';
-            this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
-            this.setupEventHandlers();
-        } catch (error) {
-            console.error('WebSocket connection error:', error);
-            this.handleReconnect();
+    try {
+        let wsPort;
+
+        if (typeof getWebSocketConfig === 'function') {
+            const wsConfig = getWebSocketConfig();
+            wsPort = wsConfig?.port || wsConfig?.fallbackPort;
         }
-    },
+        if (!wsPort && window.config?.port) {
+            wsPort = window.config.port;
+        }
+        if (!wsPort) {
+            wsPort = window.ws_port || '11700';
+        }
+        console.log("Using WebSocket port:", wsPort);
+        this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
+        this.setupEventHandlers();
+    } catch (error) {
+        console.error('WebSocket connection error:', error);
+        this.handleReconnect();
+    }
+},
 
     setupEventHandlers() {
         this.ws.onopen = () => {
diff --git a/basicswap/static/js/bids_sentreceived.js b/basicswap/static/js/bids_sentreceived.js
index c3321a9..2ea8d3b 100644
--- a/basicswap/static/js/bids_sentreceived.js
+++ b/basicswap/static/js/bids_sentreceived.js
@@ -249,21 +249,37 @@ const WebSocketManager = {
     },
 
     connect() {
-        if (this.isConnected() || this.isPaused) return;
+    if (this.isConnected() || this.isPaused) return;
 
-        if (this.ws) {
-            this.cleanupConnection();
+    if (this.ws) {
+        this.cleanupConnection();
+    }
+
+    try {
+
+        let wsPort;
+        
+        if (typeof getWebSocketConfig === 'function') {
+            const wsConfig = getWebSocketConfig();
+            wsPort = wsConfig?.port || wsConfig?.fallbackPort;
         }
 
-        try {
-            const wsPort = window.ws_port || '11700';
-            this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
-            this.setupEventHandlers();
-        } catch (error) {
-            console.error('WebSocket connection error:', error);
-            this.handleReconnect();
+        if (!wsPort && window.config?.port) {
+            wsPort = window.config.port;
         }
-    },
+
+        if (!wsPort) {
+            wsPort = window.ws_port || '11700';
+        }
+
+        console.log("Using WebSocket port:", wsPort);
+        this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
+        this.setupEventHandlers();
+    } catch (error) {
+        console.error('WebSocket connection error:', error);
+        this.handleReconnect();
+    }
+},
 
     setupEventHandlers() {
         if (!this.ws) return;
@@ -917,7 +933,6 @@ const forceTooltipDOMCleanup = () => {
     foundCount += allTooltipElements.length;
 
     allTooltipElements.forEach(element => {
-
         const isDetached = !document.body.contains(element) || 
                            element.classList.contains('hidden') ||
                            element.style.display === 'none';
@@ -947,7 +962,6 @@ const forceTooltipDOMCleanup = () => {
 
     const tippyRoots = document.querySelectorAll('[data-tippy-root]');
     foundCount += tippyRoots.length;
-    
     tippyRoots.forEach(element => {
         const isOrphan = !element.children.length || 
                          element.children[0].classList.contains('hidden') ||
@@ -975,13 +989,10 @@ const forceTooltipDOMCleanup = () => {
             }
         }
     });
-    
-    // Handle legacy tooltip elements
     document.querySelectorAll('.tooltip').forEach(element => {
         const isTrulyDetached = !element.parentElement || 
                                !document.body.contains(element.parentElement) ||
                                element.classList.contains('hidden');
-
         if (isTrulyDetached) {
             try {
                 element.remove();
@@ -992,14 +1003,11 @@ const forceTooltipDOMCleanup = () => {
         }
     });
 
-    if (window.TooltipManager && window.TooltipManager.activeTooltips) {
-        window.TooltipManager.activeTooltips.forEach((instance, id) => {
-            const tooltipElement = document.getElementById(id.split('tooltip-trigger-')[1]);
-            const triggerElement = document.querySelector(`[data-tooltip-trigger-id="${id}"]`);
-
-            if (!tooltipElement || !triggerElement || 
-                !document.body.contains(tooltipElement) || 
-                !document.body.contains(triggerElement)) {
+    if (window.TooltipManager && typeof window.TooltipManager.getActiveTooltipInstances === 'function') {
+        const activeTooltips = window.TooltipManager.getActiveTooltipInstances();
+        activeTooltips.forEach(([element, instance]) => {
+            const tooltipId = element.getAttribute('data-tooltip-trigger-id');
+            if (!document.body.contains(element)) {
                 if (instance?.[0]) {
                     try {
                         instance[0].destroy();
@@ -1007,14 +1015,13 @@ const forceTooltipDOMCleanup = () => {
                         console.warn('Error destroying tooltip instance:', e);
                     }
                 }
-                window.TooltipManager.activeTooltips.delete(id);
             }
         });
     }
     if (removedCount > 0) {
        // console.log(`Tooltip cleanup: found ${foundCount}, removed ${removedCount} detached tooltips`);
     }
-};
+}
 
 const createTableRow = async (bid) => {
     const identity = await IdentityManager.getIdentityData(bid.addr_from);
diff --git a/basicswap/static/js/offers.js b/basicswap/static/js/offers.js
index 8a472e4..83b5864 100644
--- a/basicswap/static/js/offers.js
+++ b/basicswap/static/js/offers.js
@@ -241,40 +241,47 @@ const WebSocketManager = {
     },
 
     connect() {
-        if (this.connectionState.isConnecting || this.isIntentionallyClosed) {
-            return false;
+    if (this.connectionState.isConnecting || this.isIntentionallyClosed) {
+        return false;
+    }
+
+    this.cleanup();
+    this.connectionState.isConnecting = true;
+    this.connectionState.lastConnectAttempt = Date.now();
+
+    try {
+        let wsPort;
+        
+        if (typeof getWebSocketConfig === 'function') {
+            const wsConfig = getWebSocketConfig();
+            wsPort = wsConfig.port || wsConfig.fallbackPort;
+            console.log("Using WebSocket port:", wsPort);
+        } else {
+            wsPort = config?.port || window.ws_port || '11700';
         }
 
-        this.cleanup();
-        this.connectionState.isConnecting = true;
-        this.connectionState.lastConnectAttempt = Date.now();
-
-        try {
-            const wsPort = config.port || window.ws_port || '11700';
-
-            if (!wsPort) {
-                this.connectionState.isConnecting = false;
-                return false;
-            }
-
-            this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
-            this.setupEventHandlers();
-
-            this.connectionState.connectTimeout = setTimeout(() => {
-                if (this.connectionState.isConnecting) {
-                    this.cleanup();
-                    this.handleReconnect();
-                }
-            }, 5000);
-
-            return true;
-        } catch (error) {
+        if (!wsPort) {
             this.connectionState.isConnecting = false;
-            this.handleReconnect();
             return false;
         }
-    },
 
+        this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
+        this.setupEventHandlers();
+
+        this.connectionState.connectTimeout = setTimeout(() => {
+            if (this.connectionState.isConnecting) {
+                this.cleanup();
+                this.handleReconnect();
+            }
+        }, 5000);
+
+        return true;
+    } catch (error) {
+        this.connectionState.isConnecting = false;
+        this.handleReconnect();
+        return false;
+    }
+},
     setupEventHandlers() {
         if (!this.ws) return;
 
diff --git a/basicswap/static/js/pricechart.js b/basicswap/static/js/pricechart.js
index ce4c4ba..010ab5e 100644
--- a/basicswap/static/js/pricechart.js
+++ b/basicswap/static/js/pricechart.js
@@ -1,3 +1,128 @@
+// CLEANUP
+const cleanupManager = {
+  eventListeners: [],
+  timeouts: [],
+  intervals: [],
+  animationFrames: [],
+
+  addListener: function(element, type, handler, options) {
+    if (!element) return null;
+    element.addEventListener(type, handler, options);
+    this.eventListeners.push({ element, type, handler, options });
+    return handler;
+  },
+
+  setTimeout: function(callback, delay) {
+    const id = setTimeout(callback, delay);
+    this.timeouts.push(id);
+    return id;
+  },
+
+  setInterval: function(callback, delay) {
+    const id = setInterval(callback, delay);
+    this.intervals.push(id);
+    return id;
+  },
+
+  requestAnimationFrame: function(callback) {
+    const id = requestAnimationFrame(callback);
+    this.animationFrames.push(id);
+    return id;
+  },
+
+  clearAll: function() {
+    this.eventListeners.forEach(({ element, type, handler, options }) => {
+      if (element) {
+        try {
+          element.removeEventListener(type, handler, options);
+        } catch (e) {
+          console.warn('Error removing event listener:', e);
+        }
+      }
+    });
+    this.eventListeners = [];
+
+    this.timeouts.forEach(id => clearTimeout(id));
+    this.timeouts = [];
+
+    this.intervals.forEach(id => clearInterval(id));
+    this.intervals = [];
+
+    this.animationFrames.forEach(id => cancelAnimationFrame(id));
+    this.animationFrames = [];
+
+    console.log('All resources cleaned up');
+  },
+  
+  clearTimeouts: function() {
+    this.timeouts.forEach(id => clearTimeout(id));
+    this.timeouts = [];
+  },
+  
+  clearIntervals: function() {
+    this.intervals.forEach(id => clearInterval(id));
+    this.intervals = [];
+  },
+
+  removeListenersByElement: function(element) {
+    if (!element) return;
+
+    const listenersToRemove = this.eventListeners.filter(
+      listener => listener.element === element
+    );
+
+    listenersToRemove.forEach(({ element, type, handler, options }) => {
+      try {
+        element.removeEventListener(type, handler, options);
+      } catch (e) {
+        console.warn('Error removing event listener:', e);
+      }
+    });
+
+    this.eventListeners = this.eventListeners.filter(
+      listener => listener.element !== element
+    );
+  }
+};
+
+// MEMORY
+const memoryMonitor = {
+  isEnabled: true,
+  lastLogTime: 0,
+  logInterval: 5 * 60 * 1000,
+  monitorInterval: null,
+
+  startMonitoring: function() {
+    console.log('Starting memory monitoring');
+    if (!this.isEnabled) return;
+
+    if (this.monitorInterval) {
+      clearInterval(this.monitorInterval);
+    }
+
+    this.monitorInterval = setInterval(() => {
+      this.logMemoryUsage();
+    }, this.logInterval);
+
+    this.logMemoryUsage();
+  },
+  
+  logMemoryUsage: function() {
+    console.log('Logging memory usage');
+    if (window.performance && window.performance.memory) {
+      const memory = window.performance.memory;
+      console.log(`Memory Usage: ${Math.round(memory.usedJSHeapSize / (1024 * 1024))}MB / ${Math.round(memory.jsHeapSizeLimit / (1024 * 1024))}MB`);
+    }
+  },
+
+  stopMonitoring: function() {
+    if (this.monitorInterval) {
+      clearInterval(this.monitorInterval);
+      this.monitorInterval = null;
+    }
+  }
+};
+
 // CONFIG
 const config = {
   apiKeys: getAPIKeys(),
@@ -393,49 +518,138 @@ const rateLimiter = {
 
 // CACHE
 const cache = {
-  set: (key, value, customTtl = null) => {
+  maxSizeBytes: 10 * 1024 * 1024,
+  maxItems: 200,
+  cacheTTL: 5 * 60 * 1000,
+
+  set: function(key, value, customTtl = null) {
+    this.cleanup();
+
     const item = {
       value: value,
       timestamp: Date.now(),
-      expiresAt: Date.now() + (customTtl || app.cacheTTL)
+      expiresAt: Date.now() + (customTtl || this.cacheTTL)
     };
-    localStorage.setItem(key, JSON.stringify(item));
-    //console.log(`Cache set for ${key}, expires in ${(customTtl || app.cacheTTL) / 1000} seconds`);
+
+    try {
+      const serialized = JSON.stringify(item);
+      localStorage.setItem(key, serialized);
+    } catch (e) {
+      console.warn('Cache set error:', e);
+      this.clear();
+      try {
+        const serialized = JSON.stringify(item);
+        localStorage.setItem(key, serialized);
+      } catch (e2) {
+        console.error('Failed to store in cache even after cleanup:', e2);
+      }
+    }
   },
-  get: (key) => {
+
+  get: function(key) {
     const itemStr = localStorage.getItem(key);
     if (!itemStr) {
       return null;
     }
+
     try {
       const item = JSON.parse(itemStr);
       const now = Date.now();
+      
       if (now < item.expiresAt) {
-        //console.log(`Cache hit for ${key}, ${(item.expiresAt - now) / 1000} seconds remaining`);
         return {
           value: item.value,
           remainingTime: item.expiresAt - now
         };
       } else {
-        //console.log(`Cache expired for ${key}`);
         localStorage.removeItem(key);
       }
     } catch (error) {
-      //console.error('Error parsing cache item:', error.message);
+      console.error('Error parsing cache item:', error.message);
       localStorage.removeItem(key);
     }
+
     return null;
   },
-  isValid: (key) => {
-    return cache.get(key) !== null;
+
+  isValid: function(key) {
+    return this.get(key) !== null;
   },
-  clear: () => {
-    Object.keys(localStorage).forEach(key => {
+
+  clear: function() {
+    const keysToRemove = [];
+
+    for (let i = 0; i < localStorage.length; i++) {
+      const key = localStorage.key(i);
       if (key.startsWith('coinData_') || key.startsWith('chartData_') || key === 'coinGeckoOneLiner') {
-        localStorage.removeItem(key);
+        keysToRemove.push(key);
       }
+    }
+
+    keysToRemove.forEach(key => {
+      localStorage.removeItem(key);
     });
-    //console.log('Cache cleared');
+
+    console.log(`Cache cleared: removed ${keysToRemove.length} items`);
+  },
+
+  cleanup: function() {
+    let totalSize = 0;
+    const items = [];
+    const keysToRemove = [];
+    const now = Date.now();
+
+    for (let i = 0; i < localStorage.length; i++) {
+      const key = localStorage.key(i);
+      if (key.startsWith('coinData_') || key.startsWith('chartData_') || key === 'coinGeckoOneLiner') {
+        try {
+          const value = localStorage.getItem(key);
+          const size = new Blob([value]).size;
+
+          const item = JSON.parse(value);
+
+          if (item.expiresAt && item.expiresAt < now) {
+            keysToRemove.push(key);
+            continue;
+          }
+
+          totalSize += size;
+          items.push({
+            key,
+            size,
+            timestamp: item.timestamp || 0,
+            expiresAt: item.expiresAt || 0
+          });
+        } catch (e) {
+          keysToRemove.push(key);
+        }
+      }
+    }
+
+    keysToRemove.forEach(key => {
+      localStorage.removeItem(key);
+    });
+
+    if (totalSize > this.maxSizeBytes || items.length > this.maxItems) {
+      items.sort((a, b) => a.timestamp - b.timestamp);
+
+      const itemsToRemove = Math.max(
+        Math.ceil(items.length * 0.2),
+        items.length - this.maxItems
+      );
+
+      items.slice(0, itemsToRemove).forEach(item => {
+        localStorage.removeItem(item.key);
+      });
+ 
+      console.log(`Cache cleanup: removed ${itemsToRemove} items, freed ${Math.round((totalSize - this.maxSizeBytes) / 1024)}KB`);
+    }
+
+    return {
+      totalSize,
+      itemCount: items.length,
+      removedCount: keysToRemove.length
+    };
   }
 };
 
@@ -631,6 +845,8 @@ const chartModule = {
   chart: null,
   currentCoin: 'BTC',
   loadStartTime: 0,
+  chartRefs: new WeakMap(),
+  
   verticalLinePlugin: {
     id: 'verticalLine',
     beforeDraw: (chart, args, options) => {
@@ -652,15 +868,44 @@ const chartModule = {
     }
   },
 
-  initChart: () => {
-    const ctx = document.getElementById('coin-chart')?.getContext('2d');
+  getChartByElement: function(element) {
+    return this.chartRefs.get(element);
+  },
+
+  setChartReference: function(element, chart) {
+    this.chartRefs.set(element, chart);
+  },
+
+  destroyChart: function() {
+    if (chartModule.chart) {
+      try {
+        chartModule.chart.destroy();
+      } catch (e) {
+        console.error('Error destroying chart:', e);
+      }
+      chartModule.chart = null;
+    }
+  },
+
+  initChart: function() {
+    this.destroyChart();
+    
+    const canvas = document.getElementById('coin-chart');
+    if (!canvas) {
+      logger.error('Chart canvas element not found');
+      return;
+    }
+    
+    const ctx = canvas.getContext('2d');
     if (!ctx) {
       logger.error('Failed to get chart context. Make sure the canvas element exists.');
       return;
     }
+    
     const gradient = ctx.createLinearGradient(0, 0, 0, 400);
     gradient.addColorStop(0, 'rgba(77, 132, 240, 0.2)');
     gradient.addColorStop(1, 'rgba(77, 132, 240, 0)');
+    
     chartModule.chart = new Chart(ctx, {
       type: 'line',
       data: {
@@ -811,11 +1056,15 @@ const chartModule = {
       },
       plugins: [chartModule.verticalLinePlugin]
     });
+
+    this.setChartReference(canvas, chartModule.chart);
   },
-  prepareChartData: (coinSymbol, data) => {
+
+  prepareChartData: function(coinSymbol, data) {
     if (!data) {
       return [];
     }
+
     try {
       let preparedData;
 
@@ -825,9 +1074,11 @@ const chartModule = {
         const endUnix = endTime.getTime();
         const startUnix = endUnix - (24 * 3600000);
         const hourlyPoints = [];
+
         for (let hourUnix = startUnix; hourUnix <= endUnix; hourUnix += 3600000) {
           const targetHour = new Date(hourUnix);
           targetHour.setUTCMinutes(0, 0, 0);
+
           const closestPoint = data.reduce((prev, curr) => {
             const prevTime = new Date(prev[0]);
             const currTime = new Date(curr[0]);
@@ -868,6 +1119,7 @@ const chartModule = {
           y: price
         }));
       } else {
+        console.warn('Unknown data format for chartData:', data);
         return [];
       }
       return preparedData.map(point => ({
@@ -880,7 +1132,7 @@ const chartModule = {
     }
   },
 
-  ensureHourlyData: (data) => {
+  ensureHourlyData: function(data) {
     const now = new Date();
     now.setUTCMinutes(0, 0, 0);
     const twentyFourHoursAgo = new Date(now.getTime() - 24 * 60 * 60 * 1000);
@@ -888,136 +1140,176 @@ const chartModule = {
 
     for (let i = 0; i < 24; i++) {
       const targetTime = new Date(twentyFourHoursAgo.getTime() + i * 60 * 60 * 1000);
-      const closestDataPoint = data.reduce((prev, curr) =>
-        Math.abs(new Date(curr.x).getTime() - targetTime.getTime()) <
-        Math.abs(new Date(prev.x).getTime() - targetTime.getTime()) ? curr : prev
-      );
-      hourlyData.push({
-        x: targetTime.getTime(),
-        y: closestDataPoint.y
-      });
+
+      if (data.length > 0) {
+       const closestDataPoint = data.reduce((prev, curr) =>
+  Math.abs(new Date(curr.x).getTime() - targetTime.getTime()) < 
+  Math.abs(new Date(prev.x).getTime() - targetTime.getTime()) ? curr : prev
+);
+        hourlyData.push({
+          x: targetTime.getTime(),
+          y: closestDataPoint.y
+        });
+      }
     }
+
     return hourlyData;
   },
 
-    updateChart: async (coinSymbol, forceRefresh = false) => {
+  updateChart: async function(coinSymbol, forceRefresh = false) {
+    try {
+      if (!chartModule.chart) {
+        chartModule.initChart();
+      }
+      const currentChartData = chartModule.chart?.data?.datasets[0]?.data || [];
+      if (currentChartData.length === 0) {
+        chartModule.showChartLoader();
+      }
+      chartModule.loadStartTime = Date.now();
+      const cacheKey = `chartData_${coinSymbol}_${config.currentResolution}`;
+      let cachedData = !forceRefresh ? cache.get(cacheKey) : null;
+      let data;
+      if (cachedData && Object.keys(cachedData.value).length > 0) {
+        data = cachedData.value;
+      } else {
         try {
-            const currentChartData = chartModule.chart?.data.datasets[0].data || [];
-            if (currentChartData.length === 0) {
-                chartModule.showChartLoader();
-            }
-            chartModule.loadStartTime = Date.now();
-            const cacheKey = `chartData_${coinSymbol}_${config.currentResolution}`;
-            let cachedData = !forceRefresh ? cache.get(cacheKey) : null;
-            let data;
-            if (cachedData && Object.keys(cachedData.value).length > 0) {
-                data = cachedData.value;
-                //console.log(`Using cached data for ${coinSymbol}`);
-            } else {
-                try {
-                    const allData = await api.fetchHistoricalDataXHR([coinSymbol]);
-                    data = allData[coinSymbol];
-                    if (!data || Object.keys(data).length === 0) {
-                        throw new Error(`No data returned for ${coinSymbol}`);
-                    }
-                    cache.set(cacheKey, data, config.cacheTTL);
-                } catch (error) {
-                    if (error.message.includes('429') && currentChartData.length > 0) {
-                        //console.warn(`Rate limit hit for ${coinSymbol}, maintaining current chart`);
-                        return;
-                    }
-                    const expiredCache = localStorage.getItem(cacheKey);
-                    if (expiredCache) {
-                        try {
-                            const parsedCache = JSON.parse(expiredCache);
-                            data = parsedCache.value;
-                            //console.log(`Using expired cache data for ${coinSymbol}`);
-                        } catch (cacheError) {
-                            throw error;
-                        }
-                    } else {
-                        throw error;
-                    }
-                }
-            }
-            const chartData = chartModule.prepareChartData(coinSymbol, data);
-            if (chartData.length > 0 && chartModule.chart) {
-                chartModule.chart.data.datasets[0].data = chartData;
-                chartModule.chart.data.datasets[0].label = `${coinSymbol} Price (USD)`;
-                if (coinSymbol === 'WOW') {
-                    chartModule.chart.options.scales.x.time.unit = 'hour';
-                } else {
-                    const resolution = config.resolutions[config.currentResolution];
-                    chartModule.chart.options.scales.x.time.unit = 
-                        resolution.interval === 'hourly' ? 'hour' : 
-                        config.currentResolution === 'year' ? 'month' : 'day';
-                }
-                chartModule.chart.update('active');
-                chartModule.currentCoin = coinSymbol;
-                const loadTime = Date.now() - chartModule.loadStartTime;
-                ui.updateLoadTimeAndCache(loadTime, cachedData);
-            }
-        } catch (error) {
-            console.error(`Error updating chart for ${coinSymbol}:`, error);
-            if (!(chartModule.chart?.data.datasets[0].data.length > 0)) {
-                chartModule.chart.data.datasets[0].data = [];
-                chartModule.chart.update('active');
-            }
-        } finally {
-            chartModule.hideChartLoader();
-        }
-    },
+          const allData = await api.fetchHistoricalDataXHR([coinSymbol]);
+          data = allData[coinSymbol];
+          
+          if (!data || Object.keys(data).length === 0) {
+            throw new Error(`No data returned for ${coinSymbol}`);
+          }
 
-  showChartLoader: () => {
+          cache.set(cacheKey, data, config.cacheTTL);
+        } catch (error) {
+          if (error.message.includes('429') && currentChartData.length > 0) {
+            console.warn(`Rate limit hit for ${coinSymbol}, maintaining current chart`);
+            chartModule.hideChartLoader();
+            return;
+          }
+          const expiredCache = localStorage.getItem(cacheKey);
+          if (expiredCache) {
+            try {
+              const parsedCache = JSON.parse(expiredCache);
+              data = parsedCache.value;
+            } catch (cacheError) {
+              throw error;
+            }
+          } else {
+            throw error;
+          }
+        }
+      }
+      if (chartModule.currentCoin !== coinSymbol) {
+        chartModule.destroyChart();
+        chartModule.initChart();
+      }
+
+      const chartData = chartModule.prepareChartData(coinSymbol, data);
+      if (chartData.length > 0 && chartModule.chart) {
+        chartModule.chart.data.datasets[0].data = chartData;
+        chartModule.chart.data.datasets[0].label = `${coinSymbol} Price (USD)`;
+        if (coinSymbol === 'WOW') {
+          chartModule.chart.options.scales.x.time.unit = 'hour';
+        } else {
+          const resolution = config.resolutions[config.currentResolution];
+          chartModule.chart.options.scales.x.time.unit = 
+            resolution.interval === 'hourly' ? 'hour' : 
+            config.currentResolution === 'year' ? 'month' : 'day';
+        }
+        chartModule.chart.update('active');
+        chartModule.currentCoin = coinSymbol;
+        const loadTime = Date.now() - chartModule.loadStartTime;
+        ui.updateLoadTimeAndCache(loadTime, cachedData);
+      }
+    } catch (error) {
+      console.error(`Error updating chart for ${coinSymbol}:`, error);
+      
+      // Keep existing chart data if possible /todo
+      if (!(chartModule.chart?.data?.datasets[0]?.data?.length > 0)) {
+        if (!chartModule.chart) {
+          chartModule.initChart();
+        }
+        if (chartModule.chart) {
+          chartModule.chart.data.datasets[0].data = [];
+          chartModule.chart.update('active');
+        }
+      }
+    } finally {
+      chartModule.hideChartLoader();
+    }
+  },
+
+  showChartLoader: function() {
     const loader = document.getElementById('chart-loader');
     const chart = document.getElementById('coin-chart');
     if (!loader || !chart) {
-      //console.warn('Chart loader or chart container elements not found');
       return;
     }
     loader.classList.remove('hidden');
     chart.classList.add('hidden');
   },
 
-  hideChartLoader: () => {
+  hideChartLoader: function() {
     const loader = document.getElementById('chart-loader');
     const chart = document.getElementById('coin-chart');
     if (!loader || !chart) {
-      //console.warn('Chart loader or chart container elements not found');
       return;
     }
     loader.classList.add('hidden');
     chart.classList.remove('hidden');
   },
+  cleanup: function() {
+    this.destroyChart();
+    this.currentCoin = null;
+    this.loadStartTime = 0;
+    console.log('Chart module cleaned up');
+  }
 };
 
 Chart.register(chartModule.verticalLinePlugin);
 
-  const volumeToggle = {
-    isVisible: localStorage.getItem('volumeToggleState') === 'true',
-    init: () => {
-      const toggleButton = document.getElementById('toggle-volume');
-      if (toggleButton) {
+const volumeToggle = {
+  isVisible: localStorage.getItem('volumeToggleState') === 'true',
+  init: function() {
+    const toggleButton = document.getElementById('toggle-volume');
+    if (toggleButton) {
+      if (typeof cleanupManager !== 'undefined') {
+        cleanupManager.addListener(toggleButton, 'click', volumeToggle.toggle);
+      } else {
         toggleButton.addEventListener('click', volumeToggle.toggle);
-        volumeToggle.updateVolumeDisplay();
       }
-    },
-    toggle: () => {
-      volumeToggle.isVisible = !volumeToggle.isVisible;
-      localStorage.setItem('volumeToggleState', volumeToggle.isVisible.toString());
       volumeToggle.updateVolumeDisplay();
-    },
-    updateVolumeDisplay: () => {
-      const volumeDivs = document.querySelectorAll('[id$="-volume-div"]');
-      volumeDivs.forEach(div => {
-        div.style.display = volumeToggle.isVisible ? 'flex' : 'none';
-      });
-      const toggleButton = document.getElementById('toggle-volume');
-      if (toggleButton) {
-        updateButtonStyles(toggleButton, volumeToggle.isVisible, 'green');
-      }
     }
-  };
+  },
+
+  toggle: function() {
+    volumeToggle.isVisible = !volumeToggle.isVisible;
+    localStorage.setItem('volumeToggleState', volumeToggle.isVisible.toString());
+    volumeToggle.updateVolumeDisplay();
+  },
+
+  updateVolumeDisplay: function() {
+    const volumeDivs = document.querySelectorAll('[id$="-volume-div"]');
+    volumeDivs.forEach(div => {
+      if (div) {
+        div.style.display = volumeToggle.isVisible ? 'flex' : 'none';
+      }
+    });
+
+    const toggleButton = document.getElementById('toggle-volume');
+    if (toggleButton) {
+      updateButtonStyles(toggleButton, volumeToggle.isVisible, 'green');
+    }
+  },
+
+  cleanup: function() {
+    const toggleButton = document.getElementById('toggle-volume');
+    if (toggleButton) {
+      toggleButton.removeEventListener('click', volumeToggle.toggle);
+    }
+  }
+};
 
   function updateButtonStyles(button, isActive, color) {
     button.classList.toggle('text-' + color + '-500', isActive);
@@ -1042,7 +1334,7 @@ const app = {
   minimumRefreshInterval: 60 * 1000, // 1 min
 
   init: () => {
-    //console.log('Init');
+    console.log('Init');
     window.addEventListener('load', app.onLoad);
     app.loadLastRefreshedTime();
     app.updateAutoRefreshButton();
@@ -1689,5 +1981,48 @@ resolutionButtons.forEach(button => {
   });
 });
 
+// LOAD
+const appCleanup = {
+  init: function() {
+    memoryMonitor.startMonitoring();
+    window.addEventListener('beforeunload', this.globalCleanup);
+  },
+
+  globalCleanup: function() {
+    try {
+      if (app.autoRefreshInterval) {
+        clearTimeout(app.autoRefreshInterval);
+      }
+      if (chartModule) {
+        chartModule.cleanup();
+      }
+      if (volumeToggle) {
+        volumeToggle.cleanup();
+      }
+      cleanupManager.clearAll();
+      memoryMonitor.stopMonitoring();
+      cache.clear();
+
+      console.log('Global application cleanup completed');
+    } catch (error) {
+      console.error('Error during global cleanup:', error);
+    }
+  },
+  manualCleanup: function() {
+    this.globalCleanup();
+    window.location.reload();
+  }
+};
+
+app.init = () => {
+  //console.log('Init');
+  window.addEventListener('load', app.onLoad);
+  appCleanup.init();
+  app.loadLastRefreshedTime();
+  app.updateAutoRefreshButton();
+  memoryMonitor.startMonitoring();
+  //console.log('App initialized');
+};
+
 // LOAD
 app.init();
diff --git a/basicswap/static/js/tooltips.js b/basicswap/static/js/tooltips.js
index 3a7b8e6..9249c56 100644
--- a/basicswap/static/js/tooltips.js
+++ b/basicswap/static/js/tooltips.js
@@ -1,9 +1,11 @@
 class TooltipManager {
     constructor() {
-        this.activeTooltips = new Map();
-        this.sizeCheckIntervals = new Map();
+        this.activeTooltips = new WeakMap();
+        this.sizeCheckIntervals = new WeakMap();
+        this.tooltipIdCounter = 0;
         this.setupStyles();
         this.setupCleanupEvents();
+        this.initializeMutationObserver();
     }
 
     static initialize() {
@@ -19,16 +21,26 @@ class TooltipManager {
         this.destroy(element);
 
         const checkSize = () => {
+            if (!document.body.contains(element)) {
+                return;
+            }
+            
             const rect = element.getBoundingClientRect();
             if (rect.width && rect.height) {
-                clearInterval(this.sizeCheckIntervals.get(element));
-                this.sizeCheckIntervals.delete(element);
+                delete element._tooltipRetryCount;
                 this.createTooltip(element, content, options, rect);
+            } else {
+                const retryCount = element._tooltipRetryCount || 0;
+                if (retryCount < 5) {
+                    element._tooltipRetryCount = retryCount + 1;
+                    requestAnimationFrame(checkSize);
+                } else {
+                    delete element._tooltipRetryCount;
+                }
             }
         };
 
-        this.sizeCheckIntervals.set(element, setInterval(checkSize, 50));
-        checkSize();
+        requestAnimationFrame(checkSize);
         return null;
     }
 
@@ -62,6 +74,8 @@ class TooltipManager {
             }
         }
 
+        const tooltipId = `tooltip-${++this.tooltipIdCounter}`;
+
         const instance = tippy(element, {
             content,
             allowHTML: true,
@@ -75,6 +89,28 @@ class TooltipManager {
             theme: '',
             moveTransition: 'none',
             offset: [0, 10],
+            onShow(instance) {
+                if (!document.body.contains(element)) {
+                    return false;
+                }
+
+                const rect = element.getBoundingClientRect();
+                if (!rect.width || !rect.height) {
+                    return false;
+                }
+
+                return true;
+            },
+            onMount(instance) {
+                if (instance.popper.firstElementChild) {
+                    instance.popper.firstElementChild.classList.add(bgClass);
+                    instance.popper.setAttribute('data-for-tooltip-id', tooltipId);
+                }
+                const arrow = instance.popper.querySelector('.tippy-arrow');
+                if (arrow) {
+                    arrow.style.setProperty('color', arrowColor, 'important');
+                }
+            },
             popperOptions: {
                 strategy: 'fixed',
                 modifiers: [
@@ -93,45 +129,11 @@ class TooltipManager {
                         }
                     }
                 ]
-            },
-            onCreate(instance) {
-                instance._originalPlacement = instance.props.placement;
-            },
-            onShow(instance) {
-                if (!document.body.contains(element)) {
-                    return false;
-                }
-
-                const rect = element.getBoundingClientRect();
-                if (!rect.width || !rect.height) {
-                    return false;
-                }
-
-                instance.setProps({
-                    placement: instance._originalPlacement
-                });
-
-                if (instance.popper.firstElementChild) {
-                    instance.popper.firstElementChild.classList.add(bgClass);
-                }
-
-                return true;
-            },
-            onMount(instance) {
-                if (instance.popper.firstElementChild) {
-                    instance.popper.firstElementChild.classList.add(bgClass);
-                }
-                const arrow = instance.popper.querySelector('.tippy-arrow');
-                if (arrow) {
-                    arrow.style.setProperty('color', arrowColor, 'important');
-                }
             }
         });
 
-        const id = element.getAttribute('data-tooltip-trigger-id') || 
-                  `tooltip-${Math.random().toString(36).substring(7)}`;
-        element.setAttribute('data-tooltip-trigger-id', id);
-        this.activeTooltips.set(id, instance);
+        element.setAttribute('data-tooltip-trigger-id', tooltipId);
+        this.activeTooltips.set(element, instance);
         
         return instance;
     }
@@ -139,40 +141,33 @@ class TooltipManager {
     destroy(element) {
         if (!element) return;
 
-        if (this.sizeCheckIntervals.has(element)) {
-            clearInterval(this.sizeCheckIntervals.get(element));
-            this.sizeCheckIntervals.delete(element);
-        }
-
+        delete element._tooltipRetryCount;
+        
         const id = element.getAttribute('data-tooltip-trigger-id');
         if (!id) return;
 
-        const instance = this.activeTooltips.get(id);
+        const instance = this.activeTooltips.get(element);
         if (instance?.[0]) {
             try {
                 instance[0].destroy();
             } catch (e) {
                 console.warn('Error destroying tooltip:', e);
+                
+                const tippyRoot = document.querySelector(`[data-for-tooltip-id="${id}"]`);
+                if (tippyRoot && tippyRoot.parentNode) {
+                    tippyRoot.parentNode.removeChild(tippyRoot);
+                }
             }
         }
-        this.activeTooltips.delete(id);
+        
+        this.activeTooltips.delete(element);
         element.removeAttribute('data-tooltip-trigger-id');
     }
 
     cleanup() {
-        this.sizeCheckIntervals.forEach((interval) => clearInterval(interval));
-        this.sizeCheckIntervals.clear();
-
-        this.activeTooltips.forEach((instance, id) => {
-            if (instance?.[0]) {
-                try {
-                    instance[0].destroy();
-                } catch (e) {
-                    console.warn('Error cleaning up tooltip:', e);
-                }
-            }
+        document.querySelectorAll('[data-tooltip-trigger-id]').forEach(element => {
+            this.destroy(element);
         });
-        this.activeTooltips.clear();
 
         document.querySelectorAll('[data-tippy-root]').forEach(element => {
             if (element.parentNode) {
@@ -181,6 +176,63 @@ class TooltipManager {
         });
     }
 
+    getActiveTooltipInstances() {
+        const result = [];
+        
+        document.querySelectorAll('[data-tooltip-trigger-id]').forEach(element => {
+            const instance = this.activeTooltips.get(element);
+            if (instance) {
+                result.push([element, instance]);
+            }
+        });
+        
+        return result;
+    }
+
+    initializeMutationObserver() {
+        if (this.mutationObserver) return;
+        
+        this.mutationObserver = new MutationObserver(mutations => {
+            let needsCleanup = false;
+            
+            mutations.forEach(mutation => {
+                if (mutation.removedNodes.length) {
+                    Array.from(mutation.removedNodes).forEach(node => {
+                        if (node.nodeType === 1) {
+                            if (node.hasAttribute && node.hasAttribute('data-tooltip-trigger-id')) {
+                                this.destroy(node);
+                                needsCleanup = true;
+                            }
+                            
+                            if (node.querySelectorAll) {
+                                node.querySelectorAll('[data-tooltip-trigger-id]').forEach(el => {
+                                    this.destroy(el);
+                                    needsCleanup = true;
+                                });
+                            }
+                        }
+                    });
+                }
+            });
+            
+            if (needsCleanup) {
+                document.querySelectorAll('[data-tippy-root]').forEach(element => {
+                    const id = element.getAttribute('data-for-tooltip-id');
+                    if (id && !document.querySelector(`[data-tooltip-trigger-id="${id}"]`)) {
+                        if (element.parentNode) {
+                            element.parentNode.removeChild(element);
+                        }
+                    }
+                });
+            }
+        });
+        
+        this.mutationObserver.observe(document.body, { 
+            childList: true,
+            subtree: true
+        });
+    }
+
     setupStyles() {
         if (document.getElementById('tooltip-styles')) return;
 
@@ -274,13 +326,22 @@ class TooltipManager {
     }
 
     setupCleanupEvents() {
-        window.addEventListener('beforeunload', () => this.cleanup());
-        window.addEventListener('unload', () => this.cleanup());
-        document.addEventListener('visibilitychange', () => {
+        this.boundCleanup = this.cleanup.bind(this);
+        this.handleVisibilityChange = () => {
             if (document.hidden) {
                 this.cleanup();
             }
-        });
+        };
+        
+        window.addEventListener('beforeunload', this.boundCleanup);
+        window.addEventListener('unload', this.boundCleanup);
+        document.addEventListener('visibilitychange', this.handleVisibilityChange);
+    }
+
+    removeCleanupEvents() {
+        window.removeEventListener('beforeunload', this.boundCleanup);
+        window.removeEventListener('unload', this.boundCleanup);
+        document.removeEventListener('visibilitychange', this.handleVisibilityChange);
     }
 
     initializeTooltips(selector = '[data-tooltip-target]') {
@@ -295,6 +356,26 @@ class TooltipManager {
             }
         });
     }
+
+    dispose() {
+        this.cleanup();
+        
+        if (this.mutationObserver) {
+            this.mutationObserver.disconnect();
+            this.mutationObserver = null;
+        }
+        
+        this.removeCleanupEvents();
+        
+        const styleElement = document.getElementById('tooltip-styles');
+        if (styleElement && styleElement.parentNode) {
+            styleElement.parentNode.removeChild(styleElement);
+        }
+        
+        if (window.TooltipManager === this) {
+            window.TooltipManager = null;
+        }
+    }
 }
 
 if (typeof module !== 'undefined' && module.exports) {
diff --git a/basicswap/templates/header.html b/basicswap/templates/header.html
index df0a461..a8ed7ae 100644
--- a/basicswap/templates/header.html
+++ b/basicswap/templates/header.html
@@ -120,6 +120,23 @@
       updateShutdownButtons();
     });
   </script>
+
+  <script>
+function getAPIKeys() {
+  return {
+    cryptoCompare: "{{ chart_api_key|safe }}",
+    coinGecko: "{{ coingecko_api_key|safe }}"
+  };
+}
+
+function getWebSocketConfig() {
+    return {
+        port: "{{ ws_port|safe }}",
+        fallbackPort: "11700"
+    };
+}
+</script>
+
 </head>
 
 <body class="dark:bg-gray-700">
diff --git a/basicswap/templates/offers.html b/basicswap/templates/offers.html
index b4afc97..80b00c9 100644
--- a/basicswap/templates/offers.html
+++ b/basicswap/templates/offers.html
@@ -8,22 +8,6 @@
   };
 </script>
 
-<script>
-function getAPIKeys() {
-  return {
-    cryptoCompare: "{{ chart_api_key|safe }}",
-    coinGecko: "{{ coingecko_api_key|safe }}"
-  };
-}
-
-function getWebSocketConfig() {
-    return {
-        port: "{{ ws_port|safe }}",
-        fallbackPort: "11700"
-    };
-}
-</script>
-
  <section class="py-3 px-4 mt-6">
   <div class="lg:container mx-auto">
     <div class="relative py-8 px-8 bg-coolGray-900 dark:bg-gray-500 rounded-md overflow-hidden">