HTTP response header

Header usage statistics

Served-by response header information and usage statistics.

Websites using header Served-by 8,846
Percentage of websites that use Served-by header <0.1%
Total discovered header values 7,165
Header uses directives No
Header values are unique or random No
Most popular in the country France

Distribution by websites popularity

Served-by detection in the top websites by popularity

Top 10k sites 9 websites
Top 100k sites 61 websites
Top 1m sites 642 websites

Websites utilizing Served-by

List of websites that use Served-by header

Domain Country Rank Contacts United States of America 2,919 United States of America 4,075 United States of America 4,334 United States of America 4,832 United States of America 5,730 United States of America 6,516
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common Served-by header values

Header value Value prevalence
hilbert 1.88%
p-812 1.85%
p-811 1.58%
pf4w1 1.01%
pf4w3 0.90%
pf4w2 0.67%
Chania Online Web Server 0.53%
rp-ext1 via ct-pubweb on vmh-ext1 0.49%
biolu-ws14v.cms.colt 0.46%
biobs-ws13v.cms.colt 0.38%
S2 0.38%
frontend3 0.33%
frontend4 0.33%
web01_LCM 0.31% 0.29%
web18_LCM 0.28% 0.28%
infweb14 0.26%
frontend5 0.23%
pf3 0.19%