Your Next.js JSON-LD might be invisible to crawlers. Here's a one-line check.

I spent a while wondering why a site of mine had almost nothing indexed in Bing. The structured data looked perfect. It validated. It showed up in DevTools.

It was never in the HTML.

Here's the one-liner that told me:

curl -s https://example.com/ | grep -c 'application/ld+json'

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