Crawl a site for JSON-LD structured data types
Twenty-five Wikipedia article pages, each row carrying jsonLdBlocks (how many ld+json scripts the page ships), jsonLdInvalidBlocks (how many of those did not parse as JSON, which search engines drop) and jsonLdTypes (the @type values found across the blocks that did parse). Also openGraphTitle, openGraphDescription, openGraphImage, twitterCard and hreflang.
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Output fields
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