April 2025 Web Server Survey
In the April 2025 survey we received responses from 1,218,287,328 sites across 277,498,967 domains and 13,441,067 web-facing computers. This reflects an increase of 20.6 million sites, 1.9 million domains, and 38,345 web-facing computers.
nginx experienced the largest gain of 8.0 million sites (+3.25%) this month, and now accounts for 20.8% (+0.31pp) of sites seen by the Web Server Survey. Cloudflare made the next largest gain of 3.8 million sites (+2.49%).
OpenResty experienced the largest loss of 27.1 million sites this month, reducing its market share to 6.97% (-2.38pp). Apache suffered the next largest loss, down by 4.0 million sites (-2.07%).
Vendor news
nginx 1.27.5 was released on April 16th, adding support for CUBIC congestion control to its QUIC implementation. QUIC is the underlying transport protocol used by HTTP/3.
njs 0.8.10 was released on April 8th, adding support for a variety of modules when the QuickJS engine is used rather than the built-in JavaScript engine.
lighttpd 1.4.79 was released on April 4th, with changes including a hardened systemd service and and fixing a bug where an incorrect SSL certificate could be chosen in mixed RSA and ECDSA environments.
OpenResty 1.27.1.2 was released on April 3rd, containing a mixture of features and bug fixes, including a backported fix for CVE-2025-23419.
Apache Tomcat versions 9.0.104, 10.1.40 and 11.0.6 were released on April 8th and 9th.
Microsoft announced that hotpatching in Windows Server 2025 will be made generally available on July 1st. Hotpatching allows updates to be installed without a reboot.
Amazon announced that it will add a new availability zone in us-east-1 in 2026, bringing the total number of zones to seven. The new availability zone will be based nearby in Maryland, rather than Virginia like the existing zones.
Developer | March 2025 | Percent | April 2025 | Percent | Change |
|---|---|---|---|---|---|
nginx | 245,275,749 | 20.48% | 253,257,060 | 20.79% | 0.31 |
Apache | 191,949,973 | 16.03% | 187,983,076 | 15.43% | -0.60 |
Cloudflare | 154,171,314 | 12.87% | 158,013,542 | 12.97% | 0.10 |
OpenResty | 112,063,651 | 9.36% | 84,952,708 | 6.97% | -2.38 |
Developer | March 2025 | Percent | April 2025 | Percent | Change |
|---|---|---|---|---|---|
nginx | 35,283,083 | 17.89% | 36,688,491 | 18.42% | 0.53 |
Cloudflare | 35,122,370 | 17.81% | 36,009,328 | 18.08% | 0.27 |
Apache | 32,140,051 | 16.30% | 31,330,354 | 15.73% | -0.57 |
19,492,434 | 9.89% | 19,196,655 | 9.64% | -0.25 |
For more information see Active Sites.
Developer | March 2025 | Percent | April 2025 | Percent | Change |
|---|---|---|---|---|---|
Cloudflare | 223,176 | 22.32% | 226,455 | 22.65% | 0.33 |
nginx | 203,732 | 20.37% | 203,032 | 20.30% | -0.07 |
Apache | 179,491 | 17.95% | 178,949 | 17.89% | -0.05 |
LiteSpeed | 41,583 | 4.16% | 42,186 | 4.22% | 0.06 |
Developer | March 2025 | Percent | April 2025 | Percent | Change |
|---|---|---|---|---|---|
nginx | 5,368,409 | 40.05% | 5,411,818 | 40.26% | 0.21 |
Apache | 3,066,454 | 22.88% | 3,057,596 | 22.75% | -0.13 |
Microsoft | 1,166,997 | 8.71% | 1,153,038 | 8.58% | -0.13 |
Developer | March 2025 | Percent | April 2025 | Percent | Change |
|---|---|---|---|---|---|
nginx | 50,292,713 | 18.25% | 51,222,343 | 18.46% | 0.21 |
Apache | 51,840,052 | 18.81% | 50,826,468 | 18.32% | -0.49 |
OpenResty | 47,174,160 | 17.11% | 40,073,163 | 14.44% | -2.67 |
Cloudflare | 29,368,444 | 10.65% | 30,028,444 | 10.82% | 0.17 |
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