X-Redirect-By

HTTP response header

X-Redirect-By header allows users to find what component is responsible a redirect. Every system that sends a redirect and/or has a method in place for sending redirects should prefix that redirect. Right before the location header, there should be an X-Redirect-By header with an identifier as its value. This identifier should clearly identify which piece of software performed the redirect.

Header usage statistics

X-Redirect-By response header information and usage statistics.
Websites using header X-Redirect-By6,824,849
Percentage of websites that use X-Redirect-By header10.52%
Total discovered header values3,208
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

X-Redirect-By Directives

X-Redirect-By directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header
WordPress, category Content Management System, total 15,550,336 websites
Yoast SEO, category Wordpress Plugins, total 5,406,517 websites
All in One SEO Pack, category Wordpress Plugins, total 1,207,849 websites
Rank Math, category Wordpress Plugins, total 736,686 websites
Polylang, category Wordpress Plugins, total 287,310 websites
TYPO3 CMS, category Content Management System, total 189,198 websites
Moodle, category Content Management System, total 44,297 websites
Permalink Manager, category Wordpress Plugins, total 13,151 websites
Simple Website Redirect, category Wordpress Plugins, total 2,275 websites
Safe Redirect Manager, category Wordpress Plugins, total 1,836 websites

Websites utilizing X-Redirect-By

List of websites that use X-Redirect-By header
DomainCountryRankContacts
s-origin.wordpress.com United States76
gravatar.com United States94
1.gravatar.com United States109
creativecommons.org United States139
2.gravatar.com United States161
en.gravatar.com United States214
See full domain list

Common header values

List of top common X-Redirect-By header values
Header valueValue prevalence
WordPress93.08%
Polylang1.79%
redirection1.48%
WordPress - Really Simple Security1.19%
Solid Security0.40%
Moodle0.27%
Yoast SEO0.27%
Rank Math0.20%
Yoast SEO Premium0.18%
Permalink Manager0.18%
Polylang Pro0.16%
Simply.com0.13%
TYPO3 Shortcut/Mountpoint0.12%
iThemes Security0.11%
WPML0.04%
SitePad0.04%
AIOSEO0.03%
Simple Website Redirect 1.2.80.02%
Safe Redirect Manager0.02%
TYPO3 Redirect 10.01%