Analyze keyword ranking for "error"

This extension will automatically refresh twitch stream whenever any error occurs.

Fix the YouTube embedded player configuration error (153) that you may have encountered on other sites

Provides common place for reporting errors.

Checks every 404 pages. If an archive exists in archive.org, a banner is displayed to open this archive.

Check the HTML start and end tags for problems.

Notifies JavaScript errors by icon in toolbar bar or notification popup GitHub → https://goo.gl/RBcFK8 Test page → https://goo.gl/IEXS2y

Replaces all error pages with dogcheck from Undertale

Jojo reacts to browser errors

This mirror flips your online activity!

Allows you to mirror or rotate a video within the web page, services such as YouTube and Twitch are supported, but it works on the majority of sites. Customizable keyboard shortcuts and user-friendly interface.

Add, modify or remove a header for any request.

Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.

Display JS errors in a browser popup.

The Mass Downloader for your browser

With this extension you can check text with the style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

You can rotate, zoom, mirror, or A-B loop the video. See the full details at the bottom of this page, or press the shortcut Ctrl + Shift + 1 after installing the add-on to open the add-on preferences.

Automatically reloads browser error pages.

View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.

Monitors and logs HTTP API errors (4xx/5xx status codes) across web pages. Features site-specific toggle, console logging control, error filtering by status code, and JSON export. Displays error count in toolbar badge with color-coded severity.

Automatically detects and reports SEO errors.

Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.

The best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.

The mirror extension mirrors web pages!

Advanced JavaScript Error Logger with charts, filtering, notifications, and export support.

Intercepts and displays 500 error reasons in Portainer.