Server

HTTP response header

The Server response-header field contains information about the software used by the web server to handle the request.

Header usage statistics

Server response header information and usage statistics.
Websites using header Server56,310,282
Percentage of websites that use Server header91.49%
Total discovered header valuesMore than 10,000
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

Server Directives

Server directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header
Akamai, category Content Delivery Networks, total 1,186,596 websites
Amazon S3, category Content Delivery Networks, total 888,179 websites
Amazon Cloudfront, category Content Delivery Networks, total 618,775 websites
Amazon ELB, category Load Balancer, total 466,073 websites
AlmaLinux, category Operating Systems, total 42,343 websites
Amazon EC2, category Web Servers, total 24,784 websites
Allegro RomPager, category Web Servers, total 481 websites
Akka HTTP, category Web Servers, total 117 websites
AOLserver, category Web Servers, total 94 websites
Airee, category Content Delivery Networks, total 60 websites

Websites utilizing Server

List of websites that use Server header
DomainCountryRankContacts
fonts.googleapis.com United States1
facebook.com United States2
google.com United States3
wordpress.org United States4
s.w.org United States5
youtube.com United States6
See full domain list

Common header values

List of top common Server header values
Header valueValue prevalence
Apache21.22%
nginx20.29%
cloudflare12.03%
LiteSpeed5.01%
openresty4.43%
Pepyaka3.61%
Microsoft-IIS/10.02.24%
Squarespace2.23%
Caddy1.51%
Apache/2.4.63 (Unix)1.11%
Apache/20.95%
Microsoft-HTTPAPI/2.00.94%
OVHcloud0.86%
nginx/1.18.0 (Ubuntu)0.76%
Parking/1.00.52%
nginx/1.25.50.48%
aruba-proxy0.44%
Microsoft-IIS/8.50.43%
namecheap-nginx0.43%
AmazonS30.42%