diff --git a/README.md b/README.md
index 2fc10a883909cae6cc4fbcc7090084484843e65b..47035548efcf9dd957c6d1d63d3cb9120a0eacdc 100644
--- a/README.md
+++ b/README.md
@@ -57,8 +57,9 @@ You can use some GET parameters to control the initial behaviour of the emulator
 | Parameter    | Type    | Description                                                                                    |
 | ------------ | ------- | ---------------------------------------------------------------------------------------------- |
 | `rom_url`    | String  | The URL from which the initial ROM is going to be loaded, should support CORS.                 |
-| `url`        | String  | The same as `url`.                                                                             |
+| `url`        | String  | The same as `rom_url`.                                                                         |
 | `fullscreen` | Boolean | If the emulator should start in fullscreen mode.                                               |
+| `fs`         | Boolean | The same as `fullscreen`.                                                                      |
 | `debug`      | Boolean | If the "debugger" should start visible.                                                        |
 | `keyboard`   | Boolean | If the on screen keyboard should start visible.                                                |
 | `palette`    | String  | The name of the palette to be set at startup( eg: `christmas`, `hogwards`, `mariobros`, etc.). |
diff --git a/frontends/web/index.ts b/frontends/web/index.ts
index 2badc5de949d9d2a25127ee144915a47cb8a8ae7..25ac5e1c5f81d7360ddb675b293f344fb367ae14 100644
--- a/frontends/web/index.ts
+++ b/frontends/web/index.ts
@@ -17,7 +17,7 @@ const BACKGROUNDS = [
     const params = new URLSearchParams(window.location.search);
     const romUrl = params.get("rom_url") ?? params.get("url") ?? undefined;
     const fullscreen = ["1", "true", "True"].includes(
-        params.get("fullscreen") ?? ""
+        params.get("fullscreen") ?? params.get("fs") ?? ""
     );
     const debug = ["1", "true", "True"].includes(params.get("debug") ?? "");
     const keyboard = ["1", "true", "True"].includes(