HTTP response header

Header usage statistics

Served-By response header information and usage statistics.

Websites using header Served-By 2,167
Percentage of websites that use Served-By header <0.1%
Total discovered header values 1,843
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 8 websites
Top 100k sites 28 websites
Top 1m sites 326 websites

Websites utilizing Served-By

List of websites that use Served-By header

Domain Country Rank Contacts United States of America 1,201 United States of America 1,772 France 3,496 United States of America 4,619 France 5,098 United States of America 5,240
See full domain list

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 3.41%
p-811 2.58%
leibniz 1.89%
pf3 0.74%
pf4w2 0.69% 0.51%
biobs-ws13v.cms.colt 0.46%
pf4w3 0.37%
biolu-ws14v.cms.colt 0.32%
pf4w1 0.28% 0.28%
polti-instance-group-d9fs 0.23% 0.23%
c4-vm1 0.23% 0.23% 0.23% 0.18%
illsswebp02 0.18%
front 0.18%
Joyent 0.18%