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Image Alter Tag Checker
A developer tool that scans images to verify alt text presence and quality for web accessibility standards
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
A developer tool that scans images to verify alt text presence and quality for web accessibility standards. Helps teams ensure images meet WCAG guidelines and improve SEO through proper alt tag implementation.
HTTP liveness
9 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
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y