Products · Product
uMatrix
Raised as a usability problem by 35 people on Hacker News over 11 years (2015–2025), in 37 threads.
No issue was raised by at least 3 people in 3 threads this year.
No issue was raised by at least 3 people in 3 threads in the last 5 years.
Every issue, all time, most people first
Selective script blocking needs manual intervention to get pages workingUnreviewed
20152026- Takes a long time to manually configure rules on each new site2020-02-11
- Takes minutes to find the right combination of rules to allow, sometimes breaks pages2019-05-13
- Article fails to load when blocking scripts, showing only boilerplate2018-09-21
Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.
The newest 38 complaints
- Users must find the minimal set of scripts without breaking the site2025-09-09
- Sites break often, and allowing everything still doesn't fix payments or captchas2025-06-03
- JS controls are horribly time consuming and overly complex, user never understood them2024-02-19
- Must hunt for the right combination of scripts to make sites work2023-12-29
- UMatrix re-sorts rules on save, making hand-editing and toggling rules annoying2022-02-21
- Factory settings are very strict and block necessary content, requiring training2021-12-30
- Effort-to-utility ratio is bad; requires tinkering for little benefit2021-09-04
- Must work out which of 50 domains to allow before ordering2021-05-18
- Commenter could never figure out how to use it despite reading instructions2020-09-20
- Has to refresh a broken site about five times to make it minimally work2020-08-06
- Popup resists pinch-to-zoom and text is too small to read on mobile2020-07-06
- Enabling each blocked resource type one by one is a hassle and breaks sites, causing lockouts2020-06-25
- UMatrix interface is clumsy to use on mobile2020-05-16
- UMatrix is hard to use on mobile devices2020-03-05
- Takes a long time to manually configure rules on each new site2020-02-11
- Time consuming to use and unsuitable for inexperienced users2019-08-22
- Can't tell what a cryptic domain is doing or whether it's first-party2019-08-09
- UI is borderline unusable on a phone2019-05-21
- Takes minutes to find the right combination of rules to allow, sometimes breaks pages2019-05-13
- Refresh button on uMatrix page doesn't reload the originating site after changing settings2019-03-13
- Must whitelist scripts repeatedly, reloading each time, before video plays2018-09-26
- Article fails to load when blocking scripts, showing only boilerplate2018-09-21
- When pages break, fixing them means trial-and-error enabling resources, sometimes copy-pasting URLs elsewhere2018-05-08
- Modern sites with JavaScript load autoplaying videos and popups the user must hunt to dismiss2018-05-08
- Blocking everything by default makes many sites a pain to use2018-05-03
- Recaptcha fails unless the whole extension is disabled, even when everything is whitelisted2018-04-18
- Rendering bug hides XHR and frame columns and log button, so users can't allow or block requests2017-12-20
- Syncing rules requires manual upload and download steps, and merging is broken2017-11-14
- Hard to understand at first, only became usable after figuring it out2017-09-26
- Must repeatedly allow domains and refresh, sometimes for 15 minutes, before page loads2017-09-10
- Selective script blocking needs manual user intervention to get pages working2017-09-01
- Browser extension is hard to use and breaks several web pages2017-07-08
- Hard to work out which page resources must be allowed for sites to work2017-05-15
- Must reload pages repeatedly after allowing each script to register blocked requests2017-04-20
- Confusing unlabelled interface; couldn't get per-site script blocking to work2016-10-03
- Disabling all CSS leaves sites with broken layout, making most unusable2015-10-04
- Breaks many sites, and finding which request caused it is tedious2015-08-05
- Breaks some sites and needs manual rule changes to get them working2015-06-15