infobox: wrap distribution microdata as DataDownload with encodingFormat - #1451
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July 25, 2026 23:44
…nvalid) Rich Results Test 2026-07-25 flagged an 'Unnamed item' Dataset on ws-head-latency-* + xstocks-peg. Turned out to be the microdata Dataset declared by <aside itemScope itemType=schema.org/Dataset> in the bench-infobox component: it exposes identifier, variableMeasured, dateModified, license, sameAs, distribution via itemProp attributes but was missing name, description, creator. Google parses the microdata alongside the JSON-LD block and validates each Dataset in isolation, so an incomplete microdata Dataset flags even when the JSON-LD siblings are complete. Adds hidden <meta itemProp> nodes for name/description/url/creator so the microdata graph stays valid without adding duplicate visible text to the human-facing infobox.
GSC follow-up flag after PR #1450 fixed the critical name/description issue: 'Missing field encodingFormat (in distribution)' non-critical warning on the same 4 URLs. The itemProp='distribution' was on a bare <a> tag, which Google parsed as a distribution with only url — no encodingFormat, no contentUrl. Wrap in itemScope + itemType=DataDownload so the microdata declares the proper DataDownload shape. contentUrl comes from the <a> href via itemProp='contentUrl', encodingFormat comes from a hidden meta.
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Follow-up to PR #1450
After the microdata name/description fix (#1450), GSC now shows a non-critical warning on the same 4 URLs: 'Missing field encodingFormat (in distribution)'.
The itemProp='distribution' on
bench-infobox.tsxwas on a bare<a>tag → Google parsed it as a distribution with only url, no encodingFormat, no contentUrl.Fix
Wrap in
<span itemScope itemType=DataDownload>with:<meta itemProp='encodingFormat' content='application/json' /><a itemProp='contentUrl'>(visible link stays, its href becomes the contentUrl)Test plan