Apache HTTP Server vs H2O
Apache HTTP Server
httpd.apache.orgH2O
h2o.examp1e.netSide by side
| Figure | Apache HTTP Server | H2O |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | — |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 0 |
| Spec score · Web Server Software | 8.3 (#5) | 7.6 (#18) |
| License | The Apache License 2.0 grants a perpetual, worldwide, no-charge, royalty-free copyright license subject to its terms. | The FAQ states that H2O is licensed under the MIT license. |
| Performance | The project lists multi-processing modules, HTTP/2, content caching, and reverse proxy among its performance capabilities. | The maker says H2O provides quicker responses with less CPU and memory-bandwidth use than older-generation web servers. |
| Purpose | Apache HTTP Server is a freely available, feature-rich source code implementation of an HTTP web server. | H2O is an optimized HTTP server supporting HTTP/1.x, HTTP/2, and HTTP/3. |
| Release status | The download page identifies version 2.4.68, released June 8, 2026, as the latest generally available release in the 2.4.x branch. | The install page says H2O ceased releasing versions as of April 2023 and treats each master-branch commit as stable except features marked experimental. |
| Security reporting | The project recommends reporting security problems privately to the ASF Security Team before public disclosure. | Security issues should be reported privately to [email protected]. |
| Support | The project directs users to documentation, its users mailing list, and the #httpd IRC channel, and says commercial support is available from third-party companies. | The FAQ directs users with problems to GitHub issues tagged as FAQ. |
Plans
In their own words
Apache HTTP Server
Apache HTTP Server has no write-up on Specifiction yet; its figures are above.