HTTP response header

PageSpeed adds a header X-Mod-Pagespeed in Apache and X-Page-Speed in Nginx with the version of PageSpeed being used.

Header usage statistics

X-Page-Speed response header information and usage statistics.

Websites using header X-Page-Speed 76,870
Percentage of websites that use X-Page-Speed header <0.1%
Total discovered header values 470
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Connected technologies

Technologies that utilize the header

Google PageSpeed, category Cache Tools, total 384,420 websites

Distribution by websites popularity

X-Page-Speed detection in the top websites by popularity

Top 10k sites 13 websites
Top 100k sites 140 websites
Top 1m sites 1,724 websites

Websites utilizing X-Page-Speed

List of websites that use X-Page-Speed header

Domain Country Rank Contacts
www.iubenda.com United States of America 512
www.zillow.com United States of America 2,277
anonymize.com United States of America 2,458
www.buymeacoffee.com United States of America 3,245
andrewsun.com United States of America 3,953
pixelgrade.com Netherlands 5,666
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Page-Speed header values

Header value Value prevalence 38.82%
on 19.78%
DN 13.57%
Powered By ngx_pagespeed 6.87% 3.82%
yes 1.51%
IX-PageSpeed 1.04%
0.1 1.01%
ngx_pagespeed 0.97%
Powered by BitMitigate 0.80% 0.73%
1 0.51% 0.47% 0.44% 0.44%
Pagespeed 0.41%
Enabled 0.40% 0.39%
Powered By Pagespeed 0.37%
Website Auto Optimization 0.34%