A certain type of browser alert
March 17, 2014 6:22 AM   Subscribe

Anyone know of a Firefox or Chrome extension/utility/plugin/script etc that can monitor webpage changes every few seconds, and doesn't need to be reset every time the alert triggers?

I've found some that can do one or the other, but not both. Doesn't need to actually reload the page because the changes I want to monitor get pushed automatically.

Also has to be able to play a sound when the alarm trips.
posted by aerotive to Computers & Internet (5 answers total)
How will this hypothetical thingy know that the "alarm" has "tripped"?
posted by kindall at 7:28 AM on March 17, 2014

Response by poster: Well here's an example of an extension that comes close to what I want:


It can be set to check every few seconds, and can play a sound, but every time the alarm sounds it has to be manually reset. In this case, you have to click "mark as visited". Am looking for something similar that stays active without have to be reset.
posted by aerotive at 8:13 AM on March 17, 2014

he changes I want to monitor get pushed automatically.

Congratulations, this means that the website already knows when it changes! Instead of a plugin, it should be pretty trivial to add some JS script with a bookmarklet to that page to trigger an alert. Is the page something public that you can share a link to?
posted by Nonsteroidal Anti-Inflammatory Drug at 12:53 PM on March 17, 2014

If you are on a Mac, check out webclips. http://support.apple.com/kb/PH14092
posted by PickeringPete at 1:47 PM on March 17, 2014

Response by poster: Unfortunately it's a site I can't share publicly, and I'm on Windows.
posted by aerotive at 4:20 PM on March 17, 2014

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