| Apache | 1502147 |
| NGinx | 804081 |
| Microsoft-IIS | 300358 |
| Cloudflare | 85824 |
| Openresty | 46757 |
| LiteSpeed | 46646 |
| DPS | 27058 |
| ATS | 23701 |
| UD Forwarding | 15012 |
| Undefined | 13054 |
| GSE | 6592 |
| Sun-ONE-Web-Server | 5908 |
| HTTPd | 5322 |
| AmazonS3 | 5175 |
| Server | 4902 |
| GitHub | 4367 |
| ESF | 3819 |
| Sucuri | 2944 |
| DOSarrest | 2856 |
| IdeaWebServer | 2540 |
| Cowboy | 2416 |
| Tengine | 2286 |
| Perl Dancer | 2251 |
| Flywheel | 2190 |
| Varnish | 2079 |
| NetNames | 1778 |
| CM4all | 1714 |
| o2switch PowerBoost | 1601 |
| Aruba-proxy | 1509 |
| BigIP | 1286 |
| NOYB | 1139 |
| Netlify | 1123 |
| gunicorn | 1063 |
| Kestrel | 1039 |
| awex | 996 |
| IIS | 891 |
| GHS | 890 |
| Google Frontend | 773 |
| Caddy | 658 |
| UD Webspace | 572 |
| PCX | 500 |
| Zeus | 491 |
| Web r | 360 |
| Kangle | 347 |
| DNSME HTTP Redirection | 331 |
| CentOS | 284 |
| Lotus-Domino | 269 |
| ZENEDGE | 249 |
| Microsoft-HTTPAPI | 226 |
| api-gateway | 214 |
| Jetty | 211 |
| QRATOR | 198 |
| COMODO WAF | 180 |
| Jino.ru | 127 |
| Beaver | 115 |
| Now | 96 |
| Oracle-Application-Server | 82 |
| WPX CLOUD | 68 |
| Coding Pages | 60 |
| haproxy | 59 |
| CloudFront | 59 |
| GlassFish Server Open Source Edition | 56 |
| Pagely Gateway | 55 |
| Mocha Cache | 50 |
| Redirector | 48 |
| ECAcc | 46 |
| ECD | 42 |
| ngjit | 38 |
| Fly.io | 35 |
| Oracle-iPlanet-Web-Server | 33 |
| NaviServer | 30 |
| CherryPy | 26 |
| h2o | 25 |
| NetDNA | 20 |
| Convrrt HTTP | 19 |
| AkamaiGHost | 19 |
| AIX | 18 |
| OpenCms | 17 |
| gws | 16 |
| Awselb | 13 |
| BozoHttpd | 12 |
| WebSEAL | 11 |
| Mod_perl | 11 |
| Keycdn-engine | 10 |
| HTTP::Server::PSGI | 9 |
| Netscape-iPlanet | 9 |
| SSWS | 9 |
| Security | 6 |
| Skynet | 5 |
| Constellix HTTP Redirection | 5 |
| Squid | 5 |
| ArvanCloud | 4 |
| Millennium Arts | 4 |
| Oracle-HTTP-Server-12c | 4 |
| WSGI | 3 |
| Oracle GlassFish | 3 |
| SNS | 2 |
| Hostpoint Redirect Service | 2 |
| Zope | 2 |
| LANCOM | 2 |
| JuanDeFu | 1 |
| Lemarit Redirector | 1 |
