| Apache | 23691795 |
| NGinx | 17452024 |
| Microsoft-IIS | 10377473 |
| Cloudflare | 1999080 |
| Openresty | 1441601 |
| LiteSpeed | 944531 |
| DPS | 489714 |
| Undefined | 467923 |
| ATS | 391630 |
| GHS | 386138 |
| Tengine | 300993 |
| Sun-ONE-Web-Server | 208392 |
| Redirector | 175225 |
| UD Forwarding | 166808 |
| Microsoft-HTTPAPI | 150526 |
| Server | 146471 |
| HTTPd | 137951 |
| GSE | 135452 |
| BigIP | 132561 |
| AmazonS3 | 104945 |
| IIS | 67767 |
| GitHub | 58156 |
| ZENEDGE | 54478 |
| DOSarrest | 50357 |
| Beaver | 49916 |
| Kestrel | 47038 |
| Sucuri | 42526 |
| Flywheel | 41847 |
| Aruba-proxy | 39376 |
| Kangle | 38488 |
| api-gateway | 36246 |
| Cowboy | 35964 |
| ESF | 35518 |
| IdeaWebServer | 34821 |
| Perl Dancer | 33907 |
| DNSME HTTP Redirection | 28585 |
| SSWS | 26417 |
| Caddy | 21768 |
| awex | 20599 |
| o2switch PowerBoost | 20449 |
| Netlify | 20072 |
| Varnish | 18378 |
| NetNames | 14626 |
| gws | 14434 |
| Google Frontend | 12514 |
| gunicorn | 10011 |
| CM4all | 9029 |
| UD Webspace | 7707 |
| Now | 7327 |
| Zeus | 7306 |
| CloudFront | 6824 |
| NOYB | 6550 |
| PCX | 5744 |
| CentOS | 5111 |
| Mocha Cache | 3994 |
| AkamaiGHost | 3953 |
| Web r | 3949 |
| QRATOR | 3415 |
| Lotus-Domino | 3247 |
| Jino.ru | 3162 |
| COMODO WAF | 2591 |
| Jetty | 2516 |
| Hostpoint Redirect Service | 1934 |
| Squid | 1902 |
| Awselb | 1838 |
| WPX CLOUD | 1823 |
| Pagely Gateway | 1675 |
| ECD | 1488 |
| NetDNA | 1403 |
| Fly.io | 1202 |
| Oracle-Application-Server | 1107 |
| 123domain.eu-Redirect | 1060 |
| haproxy | 1053 |
| Coding Pages | 839 |
| Oracle-iPlanet-Web-Server | 791 |
| GlassFish Server Open Source Edition | 748 |
| Lemarit Redirector | 744 |
| ECAcc | 662 |
| Pantheon | 599 |
| Security | 593 |
| Convrrt HTTP | 531 |
| AIX | 503 |
| Goalline | 372 |
| NaviServer | 371 |
| ngjit | 315 |
| WSGI | 315 |
| Kerio Connect | 226 |
| Mod_perl | 224 |
| OpenCms | 187 |
| h2o | 185 |
| Constellix HTTP Redirection | 182 |
| CherryPy | 169 |
| ArvanCloud | 166 |
| Keycdn-engine | 118 |
| WebSEAL | 88 |
| Netscape-iPlanet | 70 |
| Skynet | 67 |
| Oracle GlassFish | 56 |
| Visualsoft | 49 |
| Oracle-HTTP-Server-12c | 46 |
| Post | 38 |
| JuanDeFu | 26 |
| KLIQS.COM | 26 |
| LANCOM | 16 |
| BozoHttpd | 14 |
| HTTP::Server::PSGI | 12 |
| Zope | 9 |
| Millennium Arts | 8 |
| SNS | 7 |
| DeepFried Potato | 6 |
| Phenompeople | 5 |
| MyOwnConference | 4 |
| Dustin | 3 |
| Omniture DC | 1 |
| SP-XML | 1 |
