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OpenLink Structured Data Sniffer Browser Extension

OpenLink Structured Data Sniffer Browser Extension

Semantic Web of Linked Data Simplified — "Deceptively Simple" Browser Extension for discovering metadata embedded in HTML documents

Developer Tools·Launched Jul 2017·0 upvotes·medium.com
▲Upvote0Visit Website↗
ALIVEverified Jul 13, 2026 · HTTP 200
CohortClass of 2017

What it is

Semantic Web of Linked Data Simplified — "Deceptively Simple" Browser Extension for discovering metadata embedded in HTML documents. [Productivity, Tech]

HTTP liveness

13 probes since Jun 13
Jun 13Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub
  1. Jul 13, 2026
    Back online
    Alive · 200 OK
  2. Jul 3, 2026
    Probe inconclusive
    Cloudflare block
  3. Jun 24, 2026
    Back online
    Alive · 200 OK
  4. Jun 18, 2026
    Probe inconclusive
    Cloudflare block
  5. Jun 17, 2026
    Back online
    Alive · 200 OK
  6. Jun 13, 2026
    First probe — unverified
    Cloudflare block

Discussion 0 comments

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VitalsQuiet
Upvotes
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Press
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Tags
Pulse Indexobserved activity
13 probes0 pressGitHub –Tranco –

Not enough observed signals for a Pulse Index (needs 2+ signal families).

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