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:

All announcements.

181 results

Google Search Central Blog

Google's February 2026 Discover Core Update

Decision timeline
Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-05
Topic
Search results and policies
Status
Published

Added during the historical import.

Google's February 2026 Discover 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 2026-11-05

Source capture · Download (gzip) · SHA-256
223f46106f98f96d0697bb689a85094acfeef89f68b8eb1d73f19fc9f879567e

Existence timestamped by DigiCert on · Verify timestamp

Permalink

Google Crawling documentation

Added information about the default file size limits for Google's crawlers and fetchers

Crawler access Content after rendering
Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-12
Topic
Crawling and indexing
Status
Documentation updated

Added during the historical import.

Shortened excerpt · normalized text, not verbatim.

What: Moved the information about the default file size limits of…

Added information about the default file size limits for Google's crawlers and fetchers

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
0b016d23d83635edc32fc8a7da77a0dab84eb1bcca35f5737c55a2a6b0b8e653
Compared text · Download (gzip) · SHA-256
fc30d12e669da8387cca4e33c51fa5f9df485cb71e26f4cb402e290bce8354ac

Existence timestamped by DigiCert on · Verify timestamp

Related documentation · Permalink

Google Search Central documentation

Clarified information about the default file size limits for Googlebot

Crawler access Content after rendering
Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-12
Topic
Crawling and indexing
Status
Documentation updated

Added during the historical import.

Shortened excerpt · normalized text, not verbatim.

What: While moving over the information about the default file size limits of Google's…

Clarified information about the default file size limits for Googlebot

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
d1219843c3bcf51b898aaac9e726d0d23fc27ef33d421420fac36e56db04cdbf
Compared text · Download (gzip) · SHA-256
9a15a194ffcad1a3319eb5f7ac6d3cec0f55752425d05545d6a81543900a2827

Existence timestamped by DigiCert on · Verify timestamp

Related documentation · Permalink

Google Search Central documentation

Adding preferred sources documentation

Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-12
Topic
Search results and policies
Status
Documentation updated

Added during the historical import.

Shortened excerpt · normalized text, not verbatim.

What: Added preferred sources documentation for website owners.…

Adding preferred sources documentation

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
d1219843c3bcf51b898aaac9e726d0d23fc27ef33d421420fac36e56db04cdbf
Compared text · Download (gzip) · SHA-256
a7a1799f3f9295faee6aa6faa63652aaa98f74cd854998cb1571c50628bf3dda

Existence timestamped by DigiCert on · Verify timestamp

Related documentation · Permalink

Google Search Central Blog

Search Central Live is coming back to South America

Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-05
Topic
Events and learning
Status
Event announced

Added during the historical import.

Search Central Live is coming back to South America

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 2026-11-05

Source capture · Download (gzip) · SHA-256
1bca22d918a8796fb066474d9018e91c6648bc0a9ecfcab6e29dfe97d070197d

Existence timestamped by DigiCert on · Verify timestamp

Permalink

Google Crawling documentation

Added Google Messages to the list of user-triggered fetchers

Robots.txt rules Agent policy
Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-12
Topic
Crawling and indexing
Status
Documentation updated

Added during the historical import.

Shortened excerpt · normalized text, not verbatim.

What: Added the Google Messages fetcher to the list of user-triggered fetchers.…

Added Google Messages to the list of user-triggered fetchers

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
0b016d23d83635edc32fc8a7da77a0dab84eb1bcca35f5737c55a2a6b0b8e653
Compared text · Download (gzip) · SHA-256
787ffbbfe6e636e32edc1f5461075cc88e5b72f475630e146dd0dc9b2900b2e9

Existence timestamped by DigiCert on · Verify timestamp

Related documentation · Permalink

Google Search Central documentation

Adding more supported query types to South African carousel documentation

Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-12
Topic
Structured data
Status
Documentation updated

Added during the historical import.

Shortened excerpt · normalized text, not verbatim.

What: Updated the structured data carousels (beta) documentation and the South African badges and…

Adding more supported query types to South African carousel documentation

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
d1219843c3bcf51b898aaac9e726d0d23fc27ef33d421420fac36e56db04cdbf
Compared text · Download (gzip) · SHA-256
2c633b3f02e6f23345cac9ea3acb086fadad647a251e8a79a936f3e9c7e44fba

Existence timestamped by DigiCert on · Verify timestamp

Related documentation · Permalink

Chrome UX Report release notes

Chrome UX Report · December 2025

Field Core Web Vitals
Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-12
Topic
Measurement and Search Console
Status
Published

Added during the historical import.

Chrome UX Report · December 2025

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
ecc1d524421557dc791d22d8c658401e72f9cfc29943f313a55c22be43209961
Compared text · Download (gzip) · SHA-256
cb199534bcbe4429b0f45823252da72498c2c30c8597a58e40a3a2eb34748bab

Existence timestamped by DigiCert on · Verify timestamp

Permalink

Google Search Central documentation

Removing documentation for the practice problem structured data type

JSON-LD entities Errors and warnings
Evidence
Official publication
First detected
2026-11-05
Last seen in the source
2026-11-12
Topic
Structured data
Status
Documentation updated

Added during the historical import.

Shortened excerpt · normalized text, not verbatim.

What: Removed documentation for the practice problem structured data type.…

Removing documentation for the practice problem structured data type

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
d1219843c3bcf51b898aaac9e726d0d23fc27ef33d421420fac36e56db04cdbf
Compared text · Download (gzip) · SHA-256
6f1b7fad30f5238382b25242556b7d1e548711f25aff2c18566026c32580cc49

Existence timestamped by DigiCert on · Verify timestamp

Related documentation · Permalink

Bing Webmaster SEO and AI

Does Duplicate Content Hurt SEO and AI Search Visibility?

Canonical URLs Google-selected canonical
Evidence
Official publication
First detected
2026-10-27
Last seen in the source
2026-11-12
Topic
AI search and GEO
Status
Published

Added during the historical import.

Does Duplicate Content Hurt SEO and AI Search Visibility?

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
868137dbcefc0d4f5f600fa2aca66b9968b095c40fab3b97f298ba0b3e1dcae4
Compared text · Download (gzip) · SHA-256
4c3ac22140333252f18fec0fa26e28e599cb9851acdbf91ce38b22969a946b6c

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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