For those of you who use our Mr. Uptime Firefox extension, we just wanted to let you know that we have updated it for Firefox 3.5.

The update was submitted to Mozilla last Friday and is pending approval, but you can already download it directly from the Mr. Uptime website. (It’s free, as it always has been.)

For those of you who don’t know what Mr. Uptime is, it’s a Firefox extension from us here at Pingdom that will tell you when a broken website is working again.

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As Lifehacker noted yesterday, Mr Uptime is now (finally) available for Firefox 3. Mr Uptime for Firefox 2 proved to be highly popular, and we have received a lot of requests for an updated version for Firefox 3, so here it is!

For those of you not familiar with Mr Uptime, it’s a Firefox extension (from us here at Pingdom) that will make sure you don’t miss cool content online just because a website is temporarily down.

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