An offer from GESIS – Leibniz Institute for the Social Sciences

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
Viewing historical run: 21 May 2026, 11:36 (Berlin) — platform cards below show status as of this run, not the latest. Back to latest →

Latest Run Assessment

Historical run · 21 May 2026, 11:36 (Berlin)
AI Assessment mixed claude / claude-haiku-4-5

Google Shopping (both global and Germany variants) made substantive changes by adding 11 new product data attributes to their merchant data catalogues, while YouTube and Shein showed only noise.

Google DE Google Shopping Data Catalogue DE substantive Google Google Shopping Data Catalogue substantive Google Youtube Data Catalogue noise Shein noise
Per-platform breakdown (4 platforms analyzed)
Google DE Google Shopping Data Catalogue DE substantive high confidence The product attribute catalogue for Google Shopping (Germany) was reorganized with 11 new support links added for attributes like document_link, item_group_title, popularity_rank, question_and_answer, related_product, and variant_option. This represents meaningful expansion of the documented product attributes and their corresponding support documentation.
Google Google Shopping Data Catalogue substantive high confidence Google Shopping added 11 new product data attributes (document_link, item_group_title, popularity_rank, question_and_answer, related_product, variant_option, and others) to the merchant data catalogue, representing expanded product data specification requirements. The table was reorganized alphabetically and the heading formatting was changed from markdown to plain text.
Google Youtube Data Catalogue noise high confidence No real change. The page alternates between two versions of itself (for example, with and without a login prompt), and this capture matched a version seen in a recent check. The original classification from before this correction is preserved in this record.
Shein noise high confidence No real change. The page alternates between two versions of itself (for example, with and without a login prompt), and this capture matched a version seen in a recent check. The original classification from before this correction is preserved in this record.

All Monitored Platforms

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Degraded Fetch ⓘ Tier 2 en
4 changes · 31 runs · 21 May 2026, 11:36 (Berlin)
Google DE Google Shopping Data Catalogue DE
Changed Tier 2 de
3 changes · 14 runs · 21 May 2026, 11:40 (Berlin)
Google Youtube Data Catalogue
Changed Tier 2 en
19 changes · 32 runs · 21 May 2026, 11:40 (Berlin)
Google Google Shopping Data Catalogue
Changed Tier 2 en
8 changes · 32 runs · 21 May 2026, 11:40 (Berlin)
Shein
Changed Tier 2 en
15 changes · 31 runs · 21 May 2026, 11:37 (Berlin)
Zalando
Unchanged Tier 4 en
2 changes · 43 runs · 21 May 2026, 11:40 (Berlin)
Google DE Youtube Data Catalogue DE
Unchanged Tier 2 de
4 changes · 14 runs · 21 May 2026, 11:40 (Berlin)
Google DE Google Search Data Catalogue DE
Unchanged Tier 2 de
2 changes · 14 runs · 21 May 2026, 11:40 (Berlin)
Google DE
Unchanged Tier 2 de
3 changes · 14 runs · 21 May 2026, 11:40 (Berlin)
Google Google Search Data Catalogue
Unchanged Tier 2 en
3 changes · 32 runs · 21 May 2026, 11:39 (Berlin)
Google
Unchanged Tier 2 en
2 changes · 32 runs · 21 May 2026, 11:39 (Berlin)
Pinterest DE
Unchanged Tier 3 de
1 change · 14 runs · 21 May 2026, 11:39 (Berlin)
Pinterest
Unchanged Tier 3 en
2 changes · 31 runs · 21 May 2026, 11:39 (Berlin)
Xvideos
Unchanged Tier 3 en
3 changes · 31 runs · 21 May 2026, 11:39 (Berlin)
Facebook
Unchanged Tier 3 en
5 changes · 31 runs · 21 May 2026, 11:38 (Berlin)
Instagram
Unchanged Tier 3 en
5 changes · 31 runs · 21 May 2026, 11:38 (Berlin)
Pornhub
Unchanged Tier 2 en
1 change · 30 runs · 21 May 2026, 11:37 (Berlin)
Aliexpress
Unchanged Tier 2 en
21 changes · 31 runs · 21 May 2026, 11:37 (Berlin)
Snapchat DE
Unchanged Tier 2 de
5 changes · 14 runs · 21 May 2026, 11:37 (Berlin)
Snapchat
Unchanged Tier 2 en
7 changes · 31 runs · 21 May 2026, 11:37 (Berlin)
Linkedin DE
Unchanged Tier 2 de
3 changes · 14 runs · 21 May 2026, 11:37 (Berlin)
Linkedin
Unchanged Tier 2 en
5 changes · 31 runs · 21 May 2026, 11:37 (Berlin)
Tiktok
Unchanged Tier 2 en
3 changes · 31 runs · 21 May 2026, 11:37 (Berlin)
Apple
Unchanged Tier 1 en
3 changes · 33 runs · 21 May 2026, 11:36 (Berlin)
Bing DE
Unchanged Tier 1 de
4 changes · 14 runs · 21 May 2026, 11:36 (Berlin)
Bing
Unchanged Tier 1 en
7 changes · 31 runs · 21 May 2026, 11:36 (Berlin)
Booking
Unchanged Tier 1 en
4 changes · 31 runs · 21 May 2026, 11:36 (Berlin)
Amazon
Unchanged Tier 1 en
3 changes · 31 runs · 21 May 2026, 11:36 (Berlin)
Wikipedia Editors Information Geoeditors Daily
Unchanged Tier 1 en
4 changes · 30 runs · 21 May 2026, 11:36 (Berlin)
Xnxx
Unchanged Tier 1 en
2 changes · 31 runs · 21 May 2026, 11:36 (Berlin)
Wikipedia
Unchanged Tier 1 en
6 changes · 31 runs · 21 May 2026, 11:36 (Berlin)
Wikipedia Content Library Mediawiki Content History V1
Unchanged Tier 1 en
2 changes · 30 runs · 21 May 2026, 11:36 (Berlin)
Temu
Unchanged Tier 3 en
7 changes · 32 runs · 21 May 2026, 11:36 (Berlin)