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 159ms
domain: anthropic.com ↗
Currently stored
- site class
- clean
- extraction tier
- og
- title
- Home \ Anthropic
- description
- Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
- fetched at
- 4/21/2026, 10:26:06 PM
Default Chrome UA
PASSPASS Open Graph
- title
- Home \ Anthropic
- description
- Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
- image
- https://cdn.prod.website-files.com/67ce28cfec624e2b733f8a52/68309ab48369f7ad9b4a40e1_open-graph.jpg
- type
- website
PASS Twitter Card
- title
- Home \ Anthropic
- description
- Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
FAIL JSON-LD
PASS HTML tags
- title
- Home \ Anthropic
- description
- Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
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