Tired of missing out on your favorite websites due to downtime or maintenance? Meet Mr Uptime, the essential Firefox add-on that keeps you informed about website availability and changes. Mr Uptime continuously monitors the websites you specify and alerts you as soon as they are back online or updated. No more manual checks—Mr Uptime does the work for you, ensuring you stay in the loop effortlessly. Whether you're a frequent web surfer or just want to stay updated, Mr Uptime is your reliable companion. Never miss an important update or website availability again with Mr Uptime by your side.


It’s a decent app, Mr Uptime, but I’m on the fence about fully recommending it. I love the focus features, but I’ve faced some glitches now and then. I’d say it’s worth checking out with some reservations.