This extension shows a lightning icon in the address bar that’s blue if the page is HTTP/2 enabled, green if the page is SPDY enabled, and gray if neither is available.
Web Scraper is a chrome browser extension built for data extraction from web pages.
The AMP Validator will check the current page to see if it is an AMP page and then run it through the AMP validator and report if the page passes (green) or fails (red) via the extension icon.
Seerobots stellt beim Aufruf einer Webseite die Angaben aus dem Robots-Tag im Metabereich dar
Check My Links is a link checker that crawls through your webpage and looks for broken links.
With this extension, you can quickly and easily switch between user-agent strings.