X-ac

HTTP response header

Header usage statistics

X-ac response header information and usage statistics.
Websites using header X-ac520,654
Percentage of websites that use X-ac header0.64%
Total discovered header values216
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 MISS46.63%
6.bur _bur HIT22.22%
3.bur _atomic_bur BYPASS6.54%
5.bur _atomic_bur BYPASS5.87%
6.bur _bur EXPIRED4.79%
5.bur _bur MISS3.02%
6.bur _bur STALE2.09%
3.bur _bur MISS1.84%
1.bur _bur MISS1.34%
1.bur _atomic_bur BYPASS0.76%
2.bur _atomic_bur BYPASS0.76%
4.bur _atomic_bur BYPASS0.71%
6.bur _atomic_bur BYPASS0.55%
3.bur _atomic_bur MISS0.37%
5.bur _atomic_bur MISS0.31%
5.bur _bur HIT0.18%
3.bur _bur HIT0.15%
1.bur _bur HIT0.14%
1.hhn _dfw BYPASS0.11%
3.bur _atomic_bur HIT0.09%