GS
Google-SearchByImage
Google Search by Image
About this crawler
Google-SearchByImage is a web crawler identified by the regular-expression pattern Google-SearchByImage in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block Google-SearchByImage traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- Google-SearchByImage
- Pattern
Google-SearchByImage- Tags
- search-engine
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.0.7; Google-SearchByImage) Gecko/2009021910 Firefox/3.0.7
Block this crawler
robots.txt — disallow Google-SearchByImage:
User-agent: Google-SearchByImage
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Google-SearchByImage [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Google-SearchByImage") {
return 403;
}
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