ProjectShield Url Check

Safe Block: Depends Verified robots.txt: No

Project Shield, created by Google Cloud and Jigsaw and powered by Google Cloud Armor, provides free unlimited protection against DDoS attacks, a type of digital attack used to c...

Key facts

Operator: Google
Family: Google
Purpose: Site Owner Fetch
User-Agent: ProjectShield-UrlCheck
Should you block it?: Depends
Verified: Yes
Respects robots.txt: No
Identity type: Official Documented
Confidence: High
Last verified: 2026-04-01

Bot details

Identity

User-Agent: ProjectShield-UrlCheck
robots.txt token: ProjectShield-UrlCheck
HTTP user-agent: Mozilla/5.0 (compatible; ProjectShield-UrlCheck; +http://g.co/projectshield)

Ownership

Operator: Google
Family: Google
Type: Security
Purpose: Site Owner Fetch

Verification and trust

Source type: Official
Confidence: High
Last verified: 2026-04-01
Verification: Listed by Cloudflare Radar as a verified bot; match the published robots.txt token and user-agent pattern. Cross-check the operator documentation linked in the source field when available.
Operator URL: https://projectshield.withgoogle.com/
Source URL: https://projectshield.withgoogle.com/

Blocking and detection

Robots

User-agent: ProjectShield-UrlCheck
Disallow: /

Cloudflare

(http.user_agent contains "ProjectShield-UrlCheck")

Advanced server rules

Apache

RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} ProjectShield\-UrlCheck [NC]
RewriteRule ^ - [F,L]

Nginx

if ($http_user_agent ~* "ProjectShield-UrlCheck") { return 403; }

Notes

ProjectShield Url Check is a verified bot listed by Cloudflare Radar. Category: Security. Operator: Google. Project Shield, created by Google Cloud and Jigsaw and powered by Google Cloud Armor, provides free unlimited protection against DDoS attacks, a type of digital attack used to censor information by taking websites offline. Cloudflare Radar page: https://radar.cloudflare.com/bots/directory/project-shield-urlcheck

Evidence and source

Listed by Cloudflare Radar as a verified bot; match the published robots.txt token and user-agent pattern. Cross-check the operator documentation linked in the source field when available.

https://projectshield.withgoogle.com/