diff --git a/manifest.json b/manifest.json
index 352960e..a818d59 100644
--- a/manifest.json
+++ b/manifest.json
@@ -11,13 +11,13 @@
 	},
 	"content_scripts": [
 		{
-			"matches": ["https://csfloat.com/*", "https://csgofloat.com/*"],
+			"matches": ["*://*.csfloat.com/*", "*://*.csgofloat.com/*"],
 			"js": ["js/content_script.js"],
 			"css": ["css/stylesheet.css"],
-			"run_at": "document_idle"
+			"run_at": "document_end"
 		},
 		{
-			"matches": ["https://csfloat.com/*", "https://csgofloat.com/*"],
+			"matches": ["*://*.csfloat.com/*", "*://*.csgofloat.com/*"],
 			"js": ["js/injectionhandler.js"],
 			"run_at": "document_start"
 		}
diff --git a/src/content_script.ts b/src/content_script.ts
index 7084f6d..b2e530a 100644
--- a/src/content_script.ts
+++ b/src/content_script.ts
@@ -2,7 +2,17 @@
 
 import { ExtensionSettings, FloatItem, HistoryData, ItemCondition, ItemStyle, ListingData } from './@typings/FloatTypes';
 import { activateHandler } from './eventhandler';
-import { getBuffMapping, getInventoryHelperPrice, getFirstCachedItem, getItemPrice, getPriceMapping, getWholeHistory, handleSpecialStickerNames, loadBuffMapping, loadMapping } from './mappinghandler';
+import {
+    getBuffMapping,
+    getInventoryHelperPrice,
+    getFirstCachedItem,
+    getItemPrice,
+    getPriceMapping,
+    getWholeHistory,
+    handleSpecialStickerNames,
+    loadBuffMapping,
+    loadMapping,
+} from './mappinghandler';
 
 type PriceResult = {
     price_difference: number;
@@ -18,35 +28,34 @@ async function init() {
     // this has to be done as first thing to not miss timed events
     activateHandler();
 
-    // mutation observer is only needed once
-    if (!isObserverActive) {
-        console.debug('[BetterFloat] Starting observer');
-        await applyMutation();
-        console.log('[BetterFloat] Observer started');
-
-        isObserverActive = true;
-    }
-
     await initSettings();
+    await loadMapping();
+    await loadBuffMapping();
 
     if (extensionSettings.showTopButton) {
         createTopButton();
     }
 
+
     //check if url is in supported subpages
     if (url.endsWith('float.com/')) {
         await firstLaunch();
-        return;
     } else {
         for (let i = 0; i < supportedSubPages.length; i++) {
             if (url.includes(supportedSubPages[i])) {
-                console.debug('[BetterFloat] Current page supported');
                 await firstLaunch();
-                return;
             }
         }
     }
-    console.debug('[BetterFloat] Current page not supported: ' + url);
+
+    // mutation observer is only needed once
+    if (!isObserverActive) {
+        console.debug('[BetterFloat] Starting observer');
+        await applyMutation();
+        console.log('[BetterFloat] Observer started');
+
+        isObserverActive = true;
+    }
 }
 
 // required as mutation does not detect initial DOM
@@ -240,8 +249,6 @@ async function applyMutation() {
             await refreshButton();
         }
     });
-    await loadMapping();
-    await loadBuffMapping();
     observer.observe(document, { childList: true, subtree: true });
 }
 
diff --git a/src/mappinghandler.ts b/src/mappinghandler.ts
index bd19cea..7378d1b 100644
--- a/src/mappinghandler.ts
+++ b/src/mappinghandler.ts
@@ -114,7 +114,7 @@ export async function getInventoryHelperPrice(buff_name: string): Promise<number
         return cachedInventoryHelperResponses[buff_name]?.items[buff_name]?.buff163?.price ?? null;
     }
     console.log(`[BetterFloat] Attempting to get price for ${buff_name} from steaminventoryhelper`);
-    const reponse = await fetch('https://api.steaminventoryhelper.com/v2/live-prices/getPrices', {
+    return await fetch('https://api.steaminventoryhelper.com/v2/live-prices/getPrices', {
         method: 'POST',
         headers: {
             'Content-Type': 'application/json',
@@ -124,17 +124,14 @@ export async function getInventoryHelperPrice(buff_name: string): Promise<number
             markets: ['buff163'],
             items: [buff_name],
         }),
-    });
-    const data: SteaminventoryhelperResponse = await reponse.json();
-    console.log(`[BetterFloat] Steaminventoryhelper response for ${buff_name}: `, data);
-    if (data.success) {
+    }).then((response) => response.json()).then((data: SteaminventoryhelperResponse) => {
+        console.log(`[BetterFloat] Steaminventoryhelper response for ${buff_name}: `, data);
         cachedInventoryHelperResponses[buff_name] = data;
         return data?.items[buff_name]?.buff163?.price;
-    } else {
-        console.log(`[BetterFloat] Steaminventoryhelper did not return success for ${buff_name}`);
-        cachedInventoryHelperResponses[buff_name] = null;
+    }).catch((err) => {
+        console.error(err);
         return null;
-    }
+    });
 }
 
 export async function getBuffMapping(name: string) {
diff --git a/webpack/webpack.dev.js b/webpack/webpack.dev.js
index 2872e95..80d67ce 100644
--- a/webpack/webpack.dev.js
+++ b/webpack/webpack.dev.js
@@ -2,7 +2,7 @@ const { merge } = require('webpack-merge');
 const common = require('./webpack.common.js');
 
 module.exports = merge(common, {
-    //mode: 'development',
-    //devtool: 'inline-source-map',
+    // mode: 'development',
+    // devtool: 'inline-source-map',
     mode: 'production',
 });
\ No newline at end of file