It works on my device and blocks almost every ads.
However, this add-ons works better on Chrome & Chromium, including Microsoft Edge Chromium. On Firefox, my webpages load so slowly.
The End.

want pues option to give another start and not turn-off; try to block all adds and i give 5 stars

aug. 2024: Getting worse by the minute: slow to load slow to mark offending images, many sites are immune or very difficult to block. Not as good as it once was. Sites have gotten clever in making it not work or making it more work to block them than is worth it. It's slow to load and filters slow to activate. Still no easy way to report sites that do not work with it. You have to block like 10 different widgets to get rid of one on social media sites. To hard to block multiple ads at one time.
5-19-24: has deteriorated in last year or so. SLOW to load, Slow to delete ads you have defined. Sites are working around it making it not worth the time to delete the ads using it. Still have not found a better one, so can't complain too much
1-28-24; All good things eventually deteriorate and ublock origin is no exception. too slow to respond to browser callups, cannot deal with ads that repeat and keep changing, no easy way to report pages that don't work SLOWWWW. Downgraded to 2 stars
1-5-24 -really starting to get SLOWWW and a PITA. Difficulty marking items you want nuked. Wasn't able to get it to work with disk files, only online. You can tell some of the websites are desiging their pages such that ublock doesn't work or works inefficiently requiring more time to get rid of their garbage than is worth it. Popup slow to appear. Still a good extension but has gotten worse not better.
9-22: one of the VERY FEW addons that actually works and is not a PITA. Congratulations there ARE some good programmers out there.
10-3-21: near perfect with a few minor flaws: ran across tiny social widgets that cannot be nuked. Try to nuke them with either lightning or pen, works for one time only than come back again. webpages are getting smarter in how to stop u block. Also cannot find a link in the extension to send input to developers whereas before there was such a link to report instances where the program did not work.

One of the VERY FEW addons that is really good and works well. Easy to block objectionable images on webpages so as to deny them ad revenue, like with sites that mistreat users. Only criticism I have is that when using an encrypted connection like with a vpn or tor, the settings do not stay and you have to reset the blocks. I'm guessing its because the ips and other stuff changes with tor so cannot make the blocks permanent. Great extension over all. Look for other add-ons by this author they will be good.

great addon but lately a lot of websites are detecting it both on desktop and mobile please fix this as soon as possible dev

twitch.tv channel ublock don't work, always have ads.

https://www.twitch.tv/

не блокирует рекламу яндекс директ на рамблер погоде

It has worked well, but in Incgonito mode (I haven't tested normal browsing mode), ads appear on YouTube videos as a blank, white screen, but so far they have been skippable instantly...

最近この手の広告ブロッカーを回避するサイトが増えたのか、移動バナータイプの広告が消えない事が多くなった。

Sometimes blocks some regular buttons on some websites

Super duper good blocker. BUT, Twitch do not work anymore since 09/29/2020 ... Now i get ads on Twitch!!!

It was simply the best blocker, easy and tidy.
But some weeks ago I discovered a bug or something:
I can't block/unblock parts of a website anymore, because there is no button to make it green, there is just red and grey! This grey color instead of green is new and does absolutely nothing when I reload.
Even disabling the addon on a site doesn't allow me to do things, please help!

After the update (from version 1.28.4), it became significantly harder to use.
I want it back!