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Free SEO checker that finds redirect chains and www issues
This free tool provides a solid technical SEO analysis, identifying redirect chains and www issues
verified Aug 26, 2026 · HTTP 200
CohortClass of 2026What it is
This free tool provides a solid technical SEO analysis, identifying redirect chains and www issues. It offers a fast and efficient way to check a page's SEO, with the option to share links directly to a site's results. The tool is also available through an API.
HTTP liveness
5 probes since Aug 5Aug 5Aug 26
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Aug 5, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
5 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
3,100 products launched in 2026 · 100% still active
3,100 active0 sunset
Still active
100%
Median lifespan
4.9y