Google and every major LLM evaluate authorship by resolving bylines to entities. A byline with no Person schema, no sameAs links, and no external profile is invisible to the E-E-A-T signal chain. This tool crawls author pages + byline metadata and renders the author-entity graph as an interactive SVG — with gaps highlighted.
Read the story behind this tool: Why a byline without an entity behind it is worth zero to Google →
Author bio cards are usually hydrated client-side on Squarespace / Wix / Pixieset and other SPA hosts. Paste your post-hydration HTML here and the Person-schema + sameAs + credential extraction runs against the rendered DOM. If you also enter a URL above, the tool will still crawl up to 10 author pages from the same origin. Beginner walkthrough.