Structured Signals Intelligence
@crawlith/plugin-signals extends Crawlith with search-engine signal analytics across Open Graph, language attributes, hreflang, and JSON-LD schema.
Enable
What it extracts
- Open Graph + Twitter card core fields
<html lang>,hreflang, canonical context,content-language- JSON-LD blocks (
application/ld+json) with type discovery and hash clustering
What it reports
- Signals Score (0–100)
- Coverage rates for OG, language, hreflang, JSON-LD
- Broken JSON-LD count
- High-authority pages missing schema
- OG and schema duplication clusters