Per-mechanism test
Paste a URL to see which extraction mechanism can produce a usable card. No card is written; no stats row is logged. The page runs the Chrome UA fetch automatically; the bot UA and Playwright probes are opt-in so you don't spend browserless concurrency unless you need it.
Chrome 62ms
domain: github.com ↗
Currently stored
- site class
- clean
- extraction tier
- og
- title
- GitHub · Change is constant. GitHub keeps you ahead.
- description
- Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
- fetched at
- 9/22/2026, 8:49:22 PM
Default Chrome UA
PASSPASS Open Graph
- title
- GitHub · Change is constant. GitHub keeps you ahead. · GitHub
- description
- Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
- image
- https://images.ctfassets.net/8aevphvgewt8/4pe4eOtUJ0ARpZRE4fNekf/f52b1f9c52f059a33170229883731ed0/GH-Homepage-Universe-img.png
- siteName
- GitHub
- canonical
- https://github.com/
- type
- object
PASS Twitter Card
- title
- GitHub · Change is constant. GitHub keeps you ahead. · GitHub
- description
- Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
- image
- https://images.ctfassets.net/8aevphvgewt8/4pe4eOtUJ0ARpZRE4fNekf/f52b1f9c52f059a33170229883731ed0/GH-Homepage-Universe-img.png
FAIL JSON-LD
PASS HTML tags
- title
- GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHub
- description
- Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
Bot UA (Slackbot-LinkExpanding 1.0)
Not probed yet. Run this if the Chrome UA section didn't extract what you need.
Playwright (via Browserless)
Not probed yet. Run this if the Chrome UA section didn't extract what you need.
Other mechanisms
SKIP Plugin — no plugin matches this domain
SKIP Headless (generic) — not implemented yet