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 8,354
Percentage of websites that use X-Page-Speed header <0.1%
Total discovered header values 264
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 42,350 websites

Distribution by websites popularity

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

Top 10k sites 13 websites
Top 100k sites 163 websites
Top 1m sites 1,012 websites

Websites utilizing X-Page-Speed

List of websites that use X-Page-Speed header

Domain Country Rank Contacts
www.gap.com United States of America 2,152
www.altpress.com United States of America 2,660
musopen.org United States of America 3,327
www.serverpoint.com United States of America 3,342
www.giga.de Germany 3,548
opengameart.org United States of America 3,623
See full domain list

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 48.71%
on 15.36%
Powered By ngx_pagespeed 8.76% 4.31% 2.23% 1.29%
ngx_pagespeed 1.19%
Powered by BitMitigate 1.03%
Enabled 1.01% 0.86%
Pagespeed 0.72% 0.60% 0.51%
Yes 0.45%
Powered By KingHost and ngx_pagespeed 0.44% 0.44%
hosted by trendhosting.ch 0.38% (IISpeed) 0.36%
Powered By AddPeople 0.34%
Powered By pagespeed 0.34%