Yahoo Link Preview

Neutral Block: Depends Verified robots.txt: No

Yahoo Link Preview's bot fetches data from URLs shared on Yahoo platforms.

Key facts

Operator
Yahoo
Family
Yahoo
Purpose
General Crawl
User-Agent
Yahoo Link Preview
Should you block it?
Depends
Verified
Yes
Respects robots.txt
No
Identity type
Unknown
Confidence
Medium
Last verified
2026-04-01
Last checked
2026-04-01

Bot details

Identity

User-Agent
Yahoo Link Preview
robots.txt token
Yahoo Link Preview
HTTP user-agent
Mozilla/5.0 (compatible; Yahoo Link Preview; https://help.yahoo.com/kb/mail/yahoo-link-preview-SLN23615.html)
Aliases
Yahoo preview bot

Ownership

Operator
Yahoo
Family
Yahoo
Type
Scraper
Purpose
General Crawl

Verification and trust

Source type
Unknown
Confidence
Medium
Last verified
2026-04-01
Last checked
2026-04-01
Verification
Validate the identifying user-agent or signature against the operator documentation before creating hard allow rules.
Spoofing risk
User-agent strings can be spoofed. For allow-listing or low-friction rules, pair the published identifier with operator documentation or cryptographic verification when available.

Blocking and detection

Robots

User-agent: Yahoo Link Preview
Disallow: /

Cloudflare

(http.user_agent contains "Yahoo Link Preview")
Advanced server rules

Apache

RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Yahoo Link Preview [NC]
RewriteRule ^ - [F,L]

Nginx

if ($http_user_agent ~* "Yahoo Link Preview") { return 403; }

Notes

Known user-agent patterns: Yahoo Link Preview Known user-agent strings: Mozilla/5.0 (compatible; Yahoo Link Preview; https://help.yahoo.com/kb/mail/yahoo-link-preview-SLN23615.html) Robots.txt handling in the directory: no.

Operator documentation: https://help.yahoo.com/kb/mail/yahoo-link-preview-SLN23615.html

Evidence and source

  • Validate the identifying user-agent or signature against the operator documentation before creating hard allow rules.
  • Yahoo Link Preview's bot fetches data from URLs shared on Yahoo platforms.
  • User-agent strings can be spoofed. For allow-listing or low-friction rules, pair the published identifier with operator documentation or cryptographic verification when available.