HTTP response header

Header usage statistics

s response header information and usage statistics.

Websites using header s 863
Percentage of websites that use s header <0.1%
Total discovered header values 86
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

s detection in the top websites by popularity

Top 10k sites 5 websites
Top 100k sites 10 websites
Top 1m sites 141 websites

Websites utilizing s

List of websites that use s header

Domain Country Rank Contacts
lockheedmartinjobs.com United States of America 7,035
investeurope.eu United States of America 7,998
www.forexfactory.com United States of America 8,198
amnesty.org United States of America 9,282
www.amnesty.org United States of America 9,282
en.islamway.net United States of America 26,226
See full domain list

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common s header values

Header value Value prevalence
3 25.49%
2 20.05%
b3 5.10%
1 4.52%
201 4.40%
b4 2.20%
1P 2.09%
ua1 1.39%
lb-1 1.27%
b1 1.16%
hkp4v-prod-skm-aempub 1.04%
gbl-prod-wk-aempub 0.81%
ua3 0.70%
4 0.70%
DR 0.58%
HTTP/1.1 0.58%
hkp1v-prod-tko-aempub 0.46%
ua2 0.46%