Uptime Checker for Firefox - gHacks Tech News

Uptime Checker for Firefox

We have all made the experience in the past that many websites are not available all the time. A website that got on Digg's homepage or slashdotted might have went down pretty fast which is unfortunately if you want to read what the buzz that it created was all about. I normally bookmark those websites and visit them again later to see if the website is available again. If it is not I try it a few more times and if it is not up at that point I either forget about it or delete the bookmark.

Mr. Uptime is a Firefox Extension that steps in and removes the burden from the user who wants to connect to a website that is down at the moment. You can add a website that is currently unavailable to the extension which then checks periodically if it is up again.

The checks are not done by the extension or your computer but by a website monitoring service. Websites can be added by right-clicking on that website and selecting Mr. Uptime from the menu or by displaying the toolbar which is only displayed for the currently active website and not all Firefox tabs.

It is possible to monitor status changes using http status codes (404 for not found for instance) or keywords that the website should or should not contain.

The default period to monitor websites is set to 168 hours which should be enough in most cases. If the website is still down after that time it will be automatically removed from the watch list.

Update: The extension has been removed by its author from Mozilla's add-on repository. You can use the add-on Update Scanner instead which checks a web page for changes. While not fully identical to the extension, it is the closest for Firefox. Chrome users can use Server Monitor for the browser instead, Windows users the program Website Cop instead.

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