Here's an addon for Firefox that also checks websites in regular intervals to detect changes: https://github.com/WaldiPL/webpageScanner https://github.com/Wald

Here's an addon for Firefox that also checks websites in regular intervals to detect changes: https://github.com/WaldiPL/webpageScanner https://github.com/WaldiPL/webpageScanner Not affiliated with it and I don't know if it still works, haven't used it lately. When I used it, it worked to my satisfaction.