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After a web page is loaded, it often keeps eating anywhere from 25% to 100% of my CPU. Sometimes, it's to render some excessive or poorly designed graphics somewhere, like an animated background. Other times, it is much more evil—unsolicited use of my CPU in somebody's supercomputer, for instance. I'd like a button that when pushed halts all further javascript execution in a given tab until the button is pushed again, or until a different web site is navigated to.

Please note, this is not the same as the already-existing "stop" button. That button does not stop further javascript execution.

How this is implemented, or what browser I would have to use (so long as it's not ie or safari) is unimportant to me.

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  • So what is needed is a browser extension that halts javascript execution after a certain time, maybe so it has time to load, but stop the begmail and tripe discounts a few seconds after loading, does this sound like it? Jun 29, 2023 at 16:54
  • What platform ate we talking about Jun 29, 2023 at 21:07

1 Answer 1

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For Firefox (On windows at least) there is an addon called Noscript.

It shows you all the scripts on the site and you can decide which ones to block. These decisions are saved per site.

For a new site, I start with all blocked. Then I enable the innocuous looking ones, one at a time until the site works.

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