Data Catalogue Monitor

Tracking every change on data catalogue pages that very large online platforms and search engines must publish under Article 40(4) of the Digital Services Act ↗.

25 platforms monitored

460 changes on record 38 significant 422 minor

85 monitoring runs

AI Assessment substantive claude / claude-haiku-4-5

Substantive changes detected on Wikipedia (3 links removed) and Google DE Shopping (1 support link added); 5 platforms showed only noise or minor cosmetic variations.

Temu noise Wikipedia substantive Tiktok noise Google Google Search Data Catalogue noise Google Google Shopping Data Catalogue noise Google DE Google Search Data Catalogue DE minor Google DE Google Shopping Data Catalogue DE substantive

Per-platform breakdown (7 platforms analyzed)

Temu noise high confidence The change represents a render variant alternation between two UI text strings ('temu.local.goods.v3.add' vs 'Search related words') on a page with documented history of content hash reversion to previous states. This is a known cosmetic rendering fluctuation, not a structural or substantive change to the transparency catalogue.

Wikipedia substantive high confidence Three functional links were removed from the page: print/export utility links (Create a book, Download as PDF, Printable version). These are real outgoing tool links being removed from the DSA transparency catalogue, not URL parameter variants or cosmetic changes.

Tiktok noise high confidence No visible change. The page's technical fingerprint changed, but no text or links differ - invisible page machinery, not content. Classified automatically without AI analysis.

Google Google Search Data Catalogue noise high confidence No visible change. The page's technical fingerprint changed, but no text or links differ - invisible page machinery, not content. Classified automatically without AI analysis.

Google Google Shopping Data Catalogue noise high confidence No visible change. The page's technical fingerprint changed, but no text or links differ - invisible page machinery, not content. Classified automatically without AI analysis.

Google DE Google Search Data Catalogue DE minor high confidence The link text was changed from English ('Create a new Search profile') to German ('Neues Google Suche-Profil erstellen'), but the underlying URL and functionality remain identical. This is a localization update with no research impact.

Google DE Google Shopping Data Catalogue DE substantive high confidence A new support link (https://support.google.com/merchants/answer/12570809) was added to a section header about shipping cost data requirements, converting static text into a hyperlinked resource. This represents a real outgoing link addition to the DSA transparency catalogue.

Data Catalogue Monitor

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