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Webpage Sherlock
A Chrome extension that reveals critical page metadata, performance metrics, and structured data in a single click
last checked Jul 14, 2026 · Unknown
CohortClass of 2026What it is
A Chrome extension that reveals critical page metadata, performance metrics, and structured data in a single click. Streamlines on-page SEO optimization by aggregating title tags, meta descriptions, social previews, word count, schema markup, speed indicators, and link analysis.
HTTP liveness
10 probes since Jun 16Jun 16Jul 14
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
10 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