Command Palette
Search for a command to run...
UX Quiz: an online heuristic evaluation
A free and easy evaluation of your app's UX/UI aspects
since Jun 16, 2026 · HTTP 404
CohortClass of 2017What it is
A free and easy evaluation of your app's UX/UI aspects. — This simple UX tool is based on Jakob Nielsen research, “the world’s leading expert on user-friendly design.” Nielsen’s world-renowned principles help you assess the user’s eye-view of your system and evaluate its performance and usability. In this tool you can evaluate your app/system usability in a quick and practical way. [Web App, Design Tools, User Experience]
HTTP liveness
11 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — downDead · 404
Discussion 0 comments
No comments yet. Be the first!
Pulse Indexobserved activity
12/4 signal families
Liveness40%0.00
Press30%no data
GitHub20%no data
Tranco10%0.08
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2017weekly
13,497 products launched in 2017 · 100% still active
13,462 active35 sunset
Still active
100%
Median lifespan
4.9y