When comparing uMatrix vs uBlock Origin, the Slant community recommends uBlock Origin for most people. In the question“What are the best ad blocking browser plugins?” uBlock Origin is ranked 1st while uMatrix is ranked 4th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Ability to block a certain server for one website, but not for another
Pro Very fine-grained options what to block, what to allow
Pro Available for Chrome and Firefox
Pro Light weight
Pro Open source
Pro Promised to remain commercial interest free
uBlock will remain free from any commercial as stated by the creator. uBlock is meant to be strictly for the users and completely free.
Pro Lots of advanced features
For example, you can add more items to your HOST files like disable social tracking.
Pro Thoughtful UI
Its non-invasive design shows you how many times something's been blocked on a given web page – that number quickly jumps to the double- if not triple-digits in some cases.
Pro Can be used on Firefox Mobile
Pro Detects skimming
Skimming means replacing links so that they are rerouted, this is mostly a more friendly way to make money than showing ads.
Pro Edge version
Also available for Microsoft Edge browser.
Cons
Con Was abandoned
Developer has ended development but was willing to fix vulnerabilities, though this is not a guarantee that future vulnerabilities will be similarly fixed.