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Siteliner
Siteliner is a free website auditing service that identifies critical issues affecting site quality and SEO performance
verified Jul 12, 2026 · HTTP 200
CohortClass of 2026What it is
Siteliner is a free website auditing service that identifies critical issues affecting site quality and SEO performance. It detects duplicate content, broken links, and provides detailed page power reports to help improve search engine rankings.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
472/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.67
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y