X-ac

HTTP response header

Header usage statistics

X-ac response header information and usage statistics.

Websites using header X-ac 643,253
Percentage of websites that use X-ac header 0.65%
Total discovered header values 117
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

X-ac detection in the top websites by popularity

Top 10k sites 46 websites
Top 100k sites 449 websites
Top 1m sites 7,202 websites

Websites utilizing X-ac

List of websites that use X-ac header

Domain Country Rank Contacts
wordpress.com United States of America 68
s-origin.wordpress.com United States of America 76
wp.me United States of America 92
en.wordpress.com United States of America 176
v0.wordpress.com United States of America 189
automattic.com United States of America 202
See full domain list
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common X-ac header values

Header value Value prevalence
3.bur _bur 47.55%
3.sea _bur 33.63%
3.sea _atomic_bur 5.18%
3.bur _atomic_bur 4.27%
5.bur _atomic_bur 3.61%
1.sea _bur 2.00%
5.bur _bur 1.19%
1.bur _bur 0.40%
2.bur _atomic_bur 0.33%
1.bur _atomic_bur 0.32%
4.bur _atomic_bur 0.29%
1.sea _atomic_bur 0.23%
3.dfw _dfw 0.21%
2.sea _atomic_bur 0.20%
4.sea _atomic_bur 0.17%
1.hhn _dfw 0.14%
4.bur _bur 0.03%
2.bur _bur 0.03%
3.dfw _atomic_dfw 0.02%
5.dfw _atomic_dfw 0.02%