I find the @… #firefox #addon very useful: It just takes one click to archive the website you're on. It's also easy to find archived vers…
Wayback Machine – Get this Extension for 🦊 Firefox (en-US)Download Wayback Machine for Firefox. Welcome to the Official Internet Archive Wayback Machine Browser Extension! Go back in time to see how a website has changed through the history of the Web. Save websites, view missing 404 Not Found pages, or read archived books & papers.