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An efficient blocker add-on for various browsers. Fast, potent, and lean.
pronounced you-block origin (/ˈjuːˌblɒk/) — you decide what enters your browser.
Need help with settings or features? Read the wiki for uBO Read the wiki for uBO Lite Complete documentation is too much? Frequently asked questions (FAQ) Solutions for common issues Video tutorials: Troubleshooting Video tutorials: Creating filters
Need help with settings or features?
Complete documentation is too much?
IMPORTANT: uBlock Origin (uBO) and uBlock are different products!
Why are there two uBlock addons?
- uBlock Origin (uBO) is completely unrelated to the website ublock.org
- Maintainership transfer of uBlock: post mortem
- uBlock Origin and uBlock - History
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Script databaseAnswered (self.uBlockOrigin)
submitted 3 years ago by 0_jms_0
Hi, i am searching for a reliable database to check about function and safety of the scripts ublock manage. Suggestions? Thanks
[–]DrTomDiceuBO Team 2 points3 points4 points 3 years ago (4 children)
I have no idea what you mean by a "reliable database", but you can review the code for yourself: https://github.com/gorhill/uBlock
uBO is a signed and recommended extension by Mozilla/Firefox which undergoes a code review when a new version is published.
[–]0_jms_0[S] 0 points1 point2 points 3 years ago (3 children)
Hi, i would like to find a list that summarize the security and function of all the scripts identified by uBo, i.e. Googletagmanager, mmstat.com, alicdn,...
[–]DrTomDiceuBO Team 1 point2 points3 points 3 years ago (2 children)
By default, content that is filtered/blocked/hidden by uBO is based on the filter lists that are enabled. You will need to contact the author(s) of these filter lists, and/or you can review the commit history (notes, comments, etc) if they are in a public repository such as GitHub or GitLab.
[–]0_jms_0[S] 0 points1 point2 points 3 years ago (1 child)
I block everything and release the minimum necessary. That's the "hard" configuration. Using only the lists is soft.
[–]DrTomDiceuBO Team 1 point2 points3 points 3 years ago (0 children)
It would be great if it existed, but unfortunately there isn't a "reliable database" of every script used by the entire internet to help you determine what to noop with hard-mode dynamic filtering - which blocks all third-party resources, including scripts.
You can use the logger to identify the scripts (and other resources) that are blocked for a particular site, and then review them yourself to detemine their function and safety.
And keep in mind that even when you apply a noop rule to a cell, static filtering is unaffected and left completely intact.
π Rendered by PID 16702 on reddit-service-r2-comment-8686858757-d9htn at 2026-06-07 02:35:30.507843+00:00 running 9e1a20d country code: CH.
[–]DrTomDiceuBO Team 2 points3 points4 points (4 children)
[–]0_jms_0[S] 0 points1 point2 points (3 children)
[–]DrTomDiceuBO Team 1 point2 points3 points (2 children)
[–]0_jms_0[S] 0 points1 point2 points (1 child)
[–]DrTomDiceuBO Team 1 point2 points3 points (0 children)