Anubis

Raised as a usability problem by 23 people on Hacker News over 2 years (2025–2026), in 13 threads.

People raised many different problems with Anubis, but no single problem has yet been raised by 3 people in 3 different months and threads.

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 24 complaints

Pure JS fallback shows no progress, so users can't tell how long it will take2026-09-06
High difficulty makes users wait about 30 seconds before reaching the site2026-08-30
Challenge takes about 180 seconds on a phone, making the site unusable2026-08-30
Proof-of-work challenge makes older phones too slow to use gated sites2026-07-14
Makes lightweight websites almost unusable on low-resource devices like old phones2026-07-12
Interacting with its custom UI takes tens of seconds, more annoying than a wait2026-07-11
Difficulty scale is unintuitive; small delay can become unusable, leaving visitors waiting minutes2026-07-11
Anti-bot check takes over 30 seconds on a phone with no clear reason2026-04-17
Protection step made a static page take about 20 seconds to load2025-12-19
Verification challenge is annoying for human visitors to pass2025-09-02
Verification check takes over 30 seconds on low-end devices2025-09-02
Forces users to temporarily enable JavaScript and cookies on every visit2025-08-28
Sites become intermittently unusable for visitors because of the bot-check gate2025-08-22
Challenge page blocks access for users on unusual browsers or IP ranges, worse than Cloudflare2025-08-21
Blocks users on older systems from reaching sites; no alternative entry path2025-08-21
Must wait several seconds before the webpage can be processed2025-08-20
Degrades user experience for everyone visiting protected websites2025-08-16
Default config's JS challenge uses bleeding-edge features, so some browsers can't pass it2025-08-13
Endlessly refreshes the page with no error when cookies are disabled2025-05-03
Chromium users fail the captcha on sites that use Anubis, while Firefox passes2025-05-02
Slow loading prompt appears before the searched content on the Arch Wiki2025-05-02
Page spins endlessly with cookies blocked and gives no warning why it fails2025-05-02
Challenge re-triggers constantly because the cookie is deleted whenever the tab closes2025-05-01
Users can't tell what the 20-second wait is or whether they were blocked2025-03-20