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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 noise claude / claude-haiku-4-5

One substantive change detected on AliExpress involving authentication UI flow revision, while four platforms (Google YouTube Data Catalogue, Google DE YouTube Data Catalogue DE, Shein, and Temu) showed only noise or cosmetic variations.

Aliexpress noise Google Youtube Data Catalogue noise Google DE Youtube Data Catalogue DE noise Shein noise Temu noise

Per-platform breakdown (5 platforms analyzed)

Aliexpress noise high confidence No change to the catalogue. Everything that changed on this page was outside the researcher-data section - menus, banners, or promotional elements. The catalogue text itself is identical. The original classification from before this correction is preserved in this record.

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.

Google DE Youtube Data Catalogue DE 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.

Temu 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.

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Degraded Fetch ⓘ Tier 2 en

4 changes · 36 runs · 29 May 2026, 13:39 (Berlin)

Changed Tier 3 en

8 changes · 37 runs · 29 May 2026, 13:39 (Berlin)

Changed Tier 2 en

17 changes · 36 runs · 29 May 2026, 13:39 (Berlin)

Google DE Youtube Data Catalogue DE

Changed Tier 2 de

9 changes · 20 runs · 29 May 2026, 13:38 (Berlin)

Google Youtube Data Catalogue

Changed Tier 2 en

25 changes · 38 runs · 29 May 2026, 13:37 (Berlin)

Changed Tier 2 en

25 changes · 36 runs · 29 May 2026, 13:35 (Berlin)

Unchanged Tier 4 en

2 changes · 48 runs · 29 May 2026, 13:40 (Berlin)

Unchanged Tier 3 en

3 changes · 36 runs · 29 May 2026, 13:40 (Berlin)

Wikipedia Editors Information Geoeditors Daily

Unchanged Tier 1 en

5 changes · 36 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 1 en

2 changes · 36 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 1 en

6 changes · 37 runs · 29 May 2026, 13:39 (Berlin)

Wikipedia Content Library Mediawiki Content History V1

Unchanged Tier 1 en

2 changes · 36 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 2 en

3 changes · 36 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 2 de

5 changes · 19 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 2 en

8 changes · 36 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 2 en

1 change · 35 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 3 de

2 changes · 19 runs · 29 May 2026, 13:39 (Berlin)

Unchanged Tier 3 en

3 changes · 36 runs · 29 May 2026, 13:38 (Berlin)

Unchanged Tier 2 de

4 changes · 19 runs · 29 May 2026, 13:38 (Berlin)

Unchanged Tier 2 en

6 changes · 36 runs · 29 May 2026, 13:38 (Berlin)

Google DE Google Shopping Data Catalogue DE

Unchanged Tier 2 de

3 changes · 20 runs · 29 May 2026, 13:38 (Berlin)

Google DE Google Search Data Catalogue DE

Unchanged Tier 2 de

2 changes · 20 runs · 29 May 2026, 13:37 (Berlin)

Unchanged Tier 2 de

3 changes · 20 runs · 29 May 2026, 13:37 (Berlin)

Google Google Shopping Data Catalogue

Unchanged Tier 2 en

9 changes · 38 runs · 29 May 2026, 13:37 (Berlin)

Google Google Search Data Catalogue

Unchanged Tier 2 en

3 changes · 38 runs · 29 May 2026, 13:37 (Berlin)

Unchanged Tier 2 en

2 changes · 38 runs · 29 May 2026, 13:37 (Berlin)

Unchanged Tier 3 en

5 changes · 36 runs · 29 May 2026, 13:36 (Berlin)

Unchanged Tier 3 en

5 changes · 36 runs · 29 May 2026, 13:36 (Berlin)

Unchanged Tier 1 en

4 changes · 36 runs · 29 May 2026, 13:35 (Berlin)

Unchanged Tier 1 de

4 changes · 19 runs · 29 May 2026, 13:35 (Berlin)

Unchanged Tier 1 en

7 changes · 36 runs · 29 May 2026, 13:35 (Berlin)

Unchanged Tier 1 en

3 changes · 36 runs · 29 May 2026, 13:35 (Berlin)

Unchanged Tier 1 en

3 changes · 38 runs · 29 May 2026, 13:35 (Berlin)