X-AB

HTTP response header

Header usage statistics

X-AB response header information and usage statistics.
Websites using header X-AB65
Percentage of websites that use X-AB header<0.1%
Total discovered header values20
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country Russia

X-AB Directives

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

X-AB header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing X-AB

List of websites that use X-AB header
DomainCountryRankContacts
slate.com United States1,967
161.ru Russia10,219
www.nn.ru Russia37,546
fontanka.ru Russia39,312
www.fontanka.ru Russia39,312
www.e1.ru Russia65,418
See full domain list

Common header values

List of top common X-AB header values
Header valueValue prevalence
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_main_page_4redesign=B63.08%
fontanka_ab_31=A;fontanka_ab_main_page_4redesign=B;fontanka_ab_reload_sticky=B4.62%
a3.08%
fontanka_ab_scrooge_478_v5=B;fontanka_ab_31=A;fontanka_ab_main_page_4redesign=B3.08%
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_84_v2=A;jtnews_ab_main_page_4redesign=B;jtnews_ab_personal_recommendation_v2=A3.08%
2b1.54%
8_01.54%
8_11.54%
9_11.54%
b1.54%
fontanka_ab_31=A;fontanka_ab_main_page_4redesign=B1.54%
fontanka_ab_31=A;fontanka_ab_main_page_4redesign=B;fontanka_ab_reload_sticky=A1.54%
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_main_page_4redesign=B;holdout_region_59=A1.54%
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_main_page_4redesign=B;holdout_region_72=A1.54%
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_main_page_4redesign=B;holdout_region_72=C1.54%
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_main_page_4redesign=B;holdout_region_75=A1.54%
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_main_page_4redesign=B;jtnews_ab_adv_test_v2=A1.54%
jtnews_ab_01=A;jtnews_ab_24=A;jtnews_ab_29=A;jtnews_ab_main_page_4redesign=B;jtnews_ab_adv_test_v2=A;jtnews_ab_header_bidding_test_v0=A1.54%
prod-web-apps1.54%
stage-web-apps1.54%