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 79ms
domain: channel4.com ↗
primary fetch error: HTTP 403 for https://www.channel4.com/news/topic/child-abuse
Currently stored
- site class
- clean
- extraction tier
- none stub — no real extraction
- title
- channel4.com
- fetched at
- 4/21/2026, 10:27:40 PM
Default Chrome UA
FAILFAIL Open Graph
error: HTTP 403 for https://www.channel4.com/news/topic/child-abuse
FAIL Twitter Card
error: HTTP 403 for https://www.channel4.com/news/topic/child-abuse
FAIL JSON-LD
error: HTTP 403 for https://www.channel4.com/news/topic/child-abuse
FAIL HTML tags
error: HTTP 403 for https://www.channel4.com/news/topic/child-abuse
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