Google Messages

Safe Block: Depends Verified robots.txt: No

Google Messages fetcher used to generate link previews for URLs sent in chat messages.

Generates link previews for URLs sent in Google Messages.

Key facts

Source type: Unknown
Confidence: High
Last checked: 2026-04-03
Verification: Verify with Google’s published fetcher documentation and Google verification guidance.
Operator URL: https://developers.google.com/crawling/docs/crawlers-fetchers/google-user-triggered-fetchers
Source URL: https://developers.google.com/crawling/docs/crawlers-fetchers/google-user-triggered-fetchers
Spoofing risk: User-agent strings can be spoofed. Verify with the operator’s published guidance before allow-listing.

Officially documented in Google’s user-triggered fetchers list.

User-agent: GoogleMessages
Disallow: /

(http.user_agent contains "GoogleMessages")

Advanced server rules

RewriteCond %{HTTP_USER_AGENT} GoogleMessages [NC]
RewriteRule .* - [F,L]

if ($http_user_agent ~* "GoogleMessages") { return 403; }

Google Messages is a user-triggered Google fetcher that requests URLs in order to generate previews in Google Messages chats.

Verify with Google’s published fetcher documentation and Google verification guidance.
Officially documented in Google’s user-triggered fetchers list.
Generates link previews for URLs sent in Google Messages.
User-agent strings can be spoofed. Verify with the operator’s published guidance before allow-listing.