TSEP Technical SEOEvidence Protocol
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SEO & AI Search Updates

What changes. At the source.

Official announcements. SEO and AI search, their sources and related TSEP controls.

tracked sources
50
retained announcements
181
RSS
Updated:

Filtered announcements.

2 results

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Google Search service status

Google starts rolling out its November 2026 core update

Original UPDATE: November 2026 core update

Impact
Impact analysisEdition 2026-11-11.1

Put changes in context before deciding

Keep a comparison baseline. To analyze a change associated with the rollout, wait for its official completion and at least one full week of data.

Rollout ongoingOfficial start · 2026-11-10Last confirmed status · 2026-11-12 · 02:16 UTC
Who is affected
Sites monitoring their visibility in Google Search. Google announces a global rollout across all languages. The announcement does not establish that any particular site will be affected.
What changes
A broad update to ranking systems is ongoing at the time of this reading. It does not announce a new technical requirement for all sites. Coincident dates alone do not establish the cause of a traffic change.
What to do
Record changes made to the site and keep baseline data. After the recommended waiting period, compare pages and queries before and after, separating search types and other possible causes. Avoid a rushed redesign based on this announcement alone.
When
Completion must be confirmed by Google. Then wait at least one full week before analyzing Search Console data. The announced rollout duration is not a guaranteed completion date.
Verify and assess for TSEP

Check dates in Google’s dashboard, then pages, queries and search types in Search Console. No TSEP control alone establishes an algorithmic effect.

For review: does this case call for clearer guidance on attribution limits? The announcement alone does not justify adding a normative rule.

Protocol version considered : 0.3.0-draft.9 · TSEP review decision pending
Find this rollout in the Google register

AI-assisted reading. Human review FR/EN : Bertrand Morel · 2026-11-11.

Evidence
Official publication
First detected
2026-11-10
Last seen in the source
2026-11-12
Topic
Search results and policies
Status
Published

Shortened excerpt · normalized text, not verbatim.

Incident began at 2026-11-10 10:06 (all times are US/Pacific). Released the November 2026 core update, which applies globally…

UPDATE: November 2026 core update

Captures were made on the dates below, sometimes after first detection. Hashes apply to decompressed files. Compared text is a normalized extraction; the source capture retains the received bytes.

First capture · · Passage last seen on 2026-11-12

Source capture · Download (gzip) · SHA-256
ba7d64e572bc9f784d50f7bdc6def90a93766c794392c4f67f8ef6ea0405fe95
Compared text · Download (gzip) · SHA-256
b04bc09bccc94d21b01f59676858bdfc9c0ecea3db9f198bb89085ce11b3aa0d

Existence timestamped by DigiCert on · Verify timestamp

Permalink

Google Search service status

RESOLVED: September 2026 spam update

Decision timeline
Evidence
Official publication
First detected
2026-10-27
Last seen in the source
2026-11-10
Topic
Search results and policies
Status
Update completed

Added during the historical import.

Shortened excerpt · normalized text, not verbatim.

Incident began at 2026-09-24 09:15 and ended at 2026-10-08 01:00 (all times are US/Pacific). The rollout was complete as…

RESOLVED: September 2026 spam update

Captures were made on the dates below, sometimes after first detection. Hashes apply to decompressed files. Compared text is a normalized extraction; the source capture retains the received bytes.

First capture · · Passage last seen on 2026-11-10

Source capture · Download (gzip) · SHA-256
8e00bca97581da4b360a5944cff6692112338f83088cc234208cf8a2f5a1cb3a
Compared text · Download (gzip) · SHA-256
7b401a6587ece302f96858797306f3fb2c0df6a157bdf46496c1e9cb5c77dc85

Existence timestamped by DigiCert on · Verify timestamp

Permalink

Reference data

The registers.

Coverage check

What the feed missed.

2 / 3

events found

67 %

2 / 6 provider mentions found

Reports missed by month-end

Shared AI training preference

Google · Microsoft · OpenAI · Anthropic

Events and comparison sources

An event counts once when any of its official reports enters the collection. Each provider is counted separately. Later backfills preserve the month-end score.

Figures cover the sampled events only, compared with independent publications at the end of each month (UTC).

Directory · 50 tracked sources

Sources and coverage.

Google16 sources
Microsoft · Bing4 sources
AI and other platforms16 sources
  • Amazon search and AI crawlers · Hourly Last successful read ·
  • Anthropic crawlers and access · Hourly Last successful read · 1 archived publication Oct 2026
  • Apple Business local presence release notes · Nightly Last successful read · 5 archived publications May 2026 – Oct 2026
  • Apple Business locations and brands · Nightly Last successful read · 1 archived publication Mar 2026
  • Apple Applebot · Hourly Last successful read ·
  • ByteDance Bytespider and access · Nightly Last successful read ·
  • Common Crawl CCBot and access · Nightly Last successful read ·
  • DuckDuckGo DuckAssistBot · Nightly Last successful read · Last attempt failed ·
  • Grok (xAI) announcements and release notes · Hourly Last successful read · 9 archived publications Dec 2024 – May 2026
  • Grok (xAI) web search and sources · Hourly Last successful read ·
  • Meta crawlers and access · Hourly Last successful read ·
  • Mistral AI announcements · Hourly Last successful read · 6 archived publications Nov 2024 – Sep 2026
  • Mistral AI crawlers and access · Hourly Last successful read ·
  • OpenAI publisher announcements · Hourly Last successful read · 2 archived publications Jul 2026 – Oct 2026
  • OpenAI search crawlers · Hourly Last successful read ·
  • Perplexity search crawlers and access · Hourly Last successful read ·
Standards and institutions11 sources
Outside the default selection3 sources
  • Baidu search resource platform · Nightly Last successful read · 6 archived publications Sep 2026 – Nov 2026 Official source
  • Naver Search & Tech · Nightly Last successful read · 18 archived publications Jul 2026 – Nov 2026 Official source
  • Yandex webmaster news · Nightly Last successful read · 5 archived publications Aug 2026 – Oct 2026 Official source

Available archives vary by source. Changes to undated documentation pages are reviewed before they may appear in the feed.

Primary sources feed the editorial selection. Baidu, Naver and Yandex remain available by filter and in search.

The method

Facts. With context.

  1. Collect

    Critical sources are checked hourly; all sources are checked nightly. One record keeps the original title, published date and sources for each event. Undated documentation changes are held for review. The French and English RSS feeds support WebSub to notify compatible subscribers after publication.

  2. Classify

    A yellow square marks a change that may affect a TSEP check, access rule, diagnosis or deadline. Recurring publications and events remain background information. A yellow triangle identifies background news; a dashed circle means classification is pending. Translations are editorial.

  3. Review for TSEP

    Each month, the review connects announcements to relevant TSEP controls. For each item reviewed, the team decides whether the protocol already covers it, a change needs consideration, or monitoring should continue or close.

Impact explains practical consequences after human review in the displayed language. View adds a distinct editorial position: it is public only after personal approval, with the author’s name and reviewed language. AI-assisted proposals remain in the private workspace.

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