September 2025 Web Server Survey
In the September 2025 survey we received responses from 1,337,528,194 sites across 285,209,235 domains and 13,806,606 web-facing computers. This reflects an increase of 37.5 million sites, 3.7 million domains, and 9,298 web-facing computers.
nginx experienced the largest gain of 22.8 million sites (+7.34%) this month, and now accounts for 24.9% (+1.04pp) of sites seen by Netcraft. Cloudflare made the next largest gain of 4.4 million sites (+2.25%).
OpenResty experienced the largest loss of 779,258 sites (-0.94%) this month, reducing its market share to 6.15% (-0.24pp). Apache suffered the next largest loss, down by 558,541 sites (-0.32%).
Vendor news
lighttpd version 1.4.82 was released on September 12th. It now ignores HTTP trailers unless the field name is added explicitly to an allowlist.
njs version 0.9.2 was released on September 23rd, containing a range of bug fixes and improvements - including HTTP keepalive support in the ngx.fetch() API.
Developer | August 2025 | Percent | September 2025 | Percent | Change |
|---|---|---|---|---|---|
nginx | 310,681,847 | 23.90% | 333,494,884 | 24.93% | 1.04 |
Cloudflare | 194,986,099 | 15.00% | 199,371,471 | 14.91% | -0.09 |
Apache | 176,208,901 | 13.55% | 175,650,360 | 13.13% | -0.42 |
OpenResty | 83,032,636 | 6.39% | 82,253,378 | 6.15% | -0.24 |
Developer | August 2025 | Percent | September 2025 | Percent | Change |
|---|---|---|---|---|---|
Cloudflare | 38,603,781 | 19.04% | 38,984,570 | 19.41% | 0.38 |
nginx | 38,196,378 | 18.83% | 35,285,153 | 17.57% | -1.26 |
Apache | 29,430,639 | 14.51% | 29,018,024 | 14.45% | -0.06 |
21,733,247 | 10.72% | 21,327,396 | 10.62% | -0.10 |
For more information see Active Sites.
Developer | August 2025 | Percent | September 2025 | Percent | Change |
|---|---|---|---|---|---|
Cloudflare | 228,429 | 22.84% | 234,114 | 23.41% | 0.57 |
nginx | 202,671 | 20.27% | 202,038 | 20.20% | -0.06 |
Apache | 175,115 | 17.51% | 175,173 | 17.52% | 0.01 |
LiteSpeed | 41,753 | 4.18% | 43,182 | 4.32% | 0.14 |
Developer | August 2025 | Percent | September 2025 | Percent | Change |
|---|---|---|---|---|---|
nginx | 5,697,303 | 41.29% | 5,755,310 | 41.69% | 0.39 |
Apache | 3,021,171 | 21.90% | 3,014,016 | 21.83% | -0.07 |
Microsoft | 1,075,597 | 7.80% | 1,035,669 | 7.50% | -0.29 |
Developer | August 2025 | Percent | September 2025 | Percent | Change |
|---|---|---|---|---|---|
nginx | 54,240,738 | 19.27% | 56,530,822 | 19.82% | 0.55 |
Apache | 48,206,189 | 17.12% | 47,966,550 | 16.82% | -0.31 |
OpenResty | 39,723,573 | 14.11% | 39,734,186 | 13.93% | -0.18 |
Cloudflare | 32,526,429 | 11.55% | 33,210,847 | 11.64% | 0.09 |
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