diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index 7ba97175..d46d4524 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -835,7 +835,8 @@ export class GameScene extends DirtyScene {
                         newValue as string,
                         this.MapUrlFile,
                         allProps.get("openWebsiteAllowApi") as boolean | undefined,
-                        allProps.get("openWebsitePolicy") as string | undefined
+                        allProps.get("openWebsitePolicy") as string | undefined,
+                        allProps.get("openWebsiteWidth") as number | undefined
                     );
                     layoutManagerActionStore.removeAction("openWebsite");
                 };
@@ -1839,8 +1840,9 @@ ${escapedMessage}
             "jitsiInterfaceConfig"
         );
         const jitsiUrl = allProps.get("jitsiUrl") as string | undefined;
+        const jitsiWidth = allProps.get("jitsiWidth") as number | undefined;
 
-        jitsiFactory.start(roomName, this.playerName, jwt, jitsiConfig, jitsiInterfaceConfig, jitsiUrl);
+        jitsiFactory.start(roomName, this.playerName, jwt, jitsiConfig, jitsiInterfaceConfig, jitsiUrl, jitsiWidth);
         this.connection?.setSilent(true);
         mediaManager.hideGameOverlay();
 
diff --git a/front/src/WebRtc/CoWebsiteManager.ts b/front/src/WebRtc/CoWebsiteManager.ts
index f2de3580..b2ffb609 100644
--- a/front/src/WebRtc/CoWebsiteManager.ts
+++ b/front/src/WebRtc/CoWebsiteManager.ts
@@ -48,6 +48,10 @@ class CoWebsiteManager {
         this.cowebsiteDiv.style.width = width + "px";
     }
 
+    set widthPercent(width: number) {
+        this.cowebsiteDiv.style.width = width + "%";
+    }
+
     get height(): number {
         return this.cowebsiteDiv.clientHeight;
     }
@@ -162,7 +166,7 @@ class CoWebsiteManager {
         return iframe;
     }
 
-    public loadCoWebsite(url: string, base: string, allowApi?: boolean, allowPolicy?: string): void {
+    public loadCoWebsite(url: string, base: string, allowApi?: boolean, allowPolicy?: string, widthPercent?: number): void {
         this.load();
         this.cowebsiteMainDom.innerHTML = ``;
 
@@ -186,6 +190,9 @@ class CoWebsiteManager {
             .then(() => Promise.race([onloadPromise, onTimeoutPromise]))
             .then(() => {
                 this.open();
+                if (widthPercent) {
+                    this.widthPercent = widthPercent;
+                }
                 setTimeout(() => {
                     this.fire();
                 }, animationTime);
@@ -199,13 +206,16 @@ class CoWebsiteManager {
     /**
      * Just like loadCoWebsite but the div can be filled by the user.
      */
-    public insertCoWebsite(callback: (cowebsite: HTMLDivElement) => Promise<void>): void {
+    public insertCoWebsite(callback: (cowebsite: HTMLDivElement) => Promise<void>, widthPercent?: number): void {
         this.load();
         this.cowebsiteMainDom.innerHTML = ``;
         this.currentOperationPromise = this.currentOperationPromise
             .then(() => callback(this.cowebsiteMainDom))
             .then(() => {
                 this.open();
+                if (widthPercent) {
+                    this.widthPercent = widthPercent;
+                }
                 setTimeout(() => {
                     this.fire();
                 }, animationTime);
diff --git a/front/src/WebRtc/JitsiFactory.ts b/front/src/WebRtc/JitsiFactory.ts
index d2b9ebdd..1cc67273 100644
--- a/front/src/WebRtc/JitsiFactory.ts
+++ b/front/src/WebRtc/JitsiFactory.ts
@@ -82,7 +82,7 @@ class JitsiFactory {
         return slugify(instance.replace('/', '-') + "-" + roomName);
     }
 
-    public start(roomName: string, playerName:string, jwt?: string, config?: object, interfaceConfig?: object, jitsiUrl?: string): void {
+    public start(roomName: string, playerName:string, jwt?: string, config?: object, interfaceConfig?: object, jitsiUrl?: string, jitsiWidth?: number): void {
         coWebsiteManager.insertCoWebsite((async cowebsiteDiv => {
             // Jitsi meet external API maintains some data in local storage
             // which is sent via the appData URL parameter when joining a
@@ -120,7 +120,7 @@ class JitsiFactory {
                 this.jitsiApi.addListener('audioMuteStatusChanged', this.audioCallback);
                 this.jitsiApi.addListener('videoMuteStatusChanged', this.videoCallback);
             });
-        }));
+        }), jitsiWidth);
     }
 
     public async stop(): Promise<void> {