HTTP response header

Header usage statistics

Served-by response header information and usage statistics.

Websites using header Served-by 4,791
Percentage of websites that use Served-by header <0.1%
Total discovered header values 3,865
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 6 websites
Top 100k sites 23 websites
Top 1m sites 280 websites

Websites utilizing Served-by

List of websites that use Served-by header

Domain Country Rank Contacts United States of America 1,201 France 3,496 United States of America 4,619 United States of America 5,240 France 7,287 United States of America 7,940
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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
p-812 2.36%
p-811 1.88%
hilbert 1.21%
pf4w1 1.21%
pf4w3 0.98%
pf4w2 0.83%
biobs-ws13v.cms.colt 0.79%
S2 0.75%
biolu-ws14v.cms.colt 0.71% 0.67%
Chania Online Web Server 0.58% 0.48% 0.42% 0.38% 0.31%
polti-instance-group-kkg4 0.27%
frontend5 0.25%
default 0.21%
frontend4 0.21%
buzz-vm1 0.19%