Blocking JavaScript execution reliably in Chromium-based browsers
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc. - Blocking javascript execution reliably in Chromium based browsers · gorhill/httpswitchboard Wiki
Blocking JavaScript execution reliably in Chromium-based browsers launched on April 30, 2014 with 7 votes and more than 50% of that year's launches. The site was still online in September 2026, 12 years on.
What it does
Unfortunately, more often than not, my attempts at explaining that it is indeed possible to block javascript execution reliably in a Chromium-based browser are quickly dismissed with no visible attempts, from my point of view, to really understand how it works, so that there can be a genuine assessment of how reliable it is. Months ago, I unexpectedly found myself writing an extension for Chromium to enhance security. Nothing was planned, it just happened after I started hacking with the API "just to see" how all this worked. It's called HTTP Switchboard [1], and as I entertain the idea of slapping "v1.0" on it at this point, I am still faced with the myth "[Chromium-based browser] can't…from github.com
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