X-ac

HTTP response header

Header usage statistics

X-ac response header information and usage statistics.
Websites using header X-ac512,798
Percentage of websites that use X-ac header0.63%
Total discovered header values247
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

X-ac Directives

X-ac directives value information and usage statistics
DirectiveShareWebsites countUnique Values

X-ac header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing X-ac

List of websites that use X-ac header
DomainCountryRankContacts
wordpress.com United States68
s-origin.wordpress.com United States76
wp.me United States92
en.wordpress.com United States176
v0.wordpress.com United States189
automattic.com United States202
See full domain list

Common header values

List of top common X-ac header values
Header valueValue prevalence
6.bur _bur MISS46.58%
6.bur _bur HIT22.29%
3.bur _atomic_bur BYPASS5.32%
6.bur _bur STALE5.02%
5.bur _atomic_bur BYPASS4.77%
5.bur _bur MISS3.14%
3.bur _bur MISS1.90%
6.bur _bur EXPIRED1.61%
1.bur _bur MISS1.34%
3.bur _atomic_bur MISS1.28%
5.bur _atomic_bur MISS1.10%
2.bur _atomic_bur BYPASS0.64%
1.bur _atomic_bur BYPASS0.62%
4.bur _atomic_bur BYPASS0.59%
6.bur _atomic_bur BYPASS0.47%
3.bur _atomic_bur HIT0.25%
3.bur _atomic_bur STALE0.25%
5.bur _atomic_bur HIT0.24%
5.bur _atomic_bur STALE0.23%
1.bur _atomic_bur MISS0.21%