Comparison · Web server
Apache HTTP Server vs Microsoft IIS: which do popular websites use?
As of 2026-10-02, Apache HTTP Server is detected on 691 of 7,859 popular websites (8.8%) and Microsoft IIS on 78 (1.0%): Apache HTTP Server is 8.9x as common. 0 sites use both.
Adoption at a glance
| Apache HTTP Server | Microsoft IIS | |
|---|---|---|
| Sites using it | 691 | 78 |
| Share of 7,859 sites | 8.8% | 1.0% |
| Share of the top 1,000 sites (710 readable) | 8.2% | 0.1% |
| Only this one of the two | 691 | 78 |
Both: 0 sites. Detected on 2026-10-02 from the home page; a technology that leaves no trace there is not counted.
By site sector
| Sector | Sites | Apache HTTP Server | Microsoft IIS |
|---|---|---|---|
| Other | 6,305 | 8.3% | 1.0% |
| News | 347 | 3.2% | 0.3% |
| Entertainment | 314 | 3.5% | <0.1% |
| Education | 246 | 31% | 2.0% |
| Government | 241 | 15% | 3.3% |
| Technology | 133 | 9.8% | <0.1% |
| Finance | 97 | 8.2% | 2.1% |
| E-commerce | 93 | 7.5% | <0.1% |
Share of the sector's sites using each technology; sectors with at least 50 sites.
By top-level domain
| TLD | Sites | Apache HTTP Server | Microsoft IIS |
|---|---|---|---|
| .com | 4,138 | 5.6% | 0.6% |
| .org | 437 | 13% | 1.4% |
| .net | 333 | 10% | 1.5% |
| .ru | 258 | 2.7% | 1.2% |
| .jp | 189 | 31% | 2.1% |
| .io | 185 | 2.2% | <0.1% |
| .de | 180 | 29% | <0.1% |
| .edu | 159 | 29% | 2.5% |
| .gov | 110 | 19% | 4.5% |
Top-level domains with at least 100 sites.
Most popular sites using only Apache HTTP Server
- apache.org #56
- mit.edu #98
- hp.com #124
- debian.org #132
- gnu.org #147
- slack.com #149
- un.org #156
- nvidia.com #164
- tp-link.com #166
- intel.com #192
- paloaltonetworks.com #195
- noaa.gov #230
- openstreetmap.org #248
- rakuten.co.jp #252
- redhat.com #293
- bild.de #342
- pccc.com #376
- washington.edu #415
- state.gov #419
- fidelity.com #420
Most popular sites using only Microsoft IIS
- tjsp.jus.br #813
- geotrust.com #1,254
- privacyshield.gov #1,513
- samplicio.us #1,815
- dataprivacyframework.gov #1,822
- serverdata.net #1,898
- dmca.com #2,134
- eia.gov #2,243
- usf.edu #2,361
- cnki.net #2,395
- nirvam.it #2,409
- uniview.com #2,567
- sitemaps.org #3,015
- imperial.ac.uk #3,105
- asm.org #3,171
- oregon.gov #3,554
- computrabajo.com #3,590
- chess-results.com #3,870
- telecomsvc.com #3,973
- adtec.ru #4,299
Each technology
FAQ
- Which is more popular, Apache HTTP Server or Microsoft IIS?
- As of 2026-10-02, Apache HTTP Server is detected on 691 of 7,859 popular websites (8.8%) and Microsoft IIS on 78 (1.0%): Apache HTTP Server is 8.9x as common. 0 sites use both.
- Which do the most popular websites prefer?
- Among the 710 sites of the top 1,000 that we could read, 58 (8.2%) use Apache HTTP Server and 1 (0.1%) use Microsoft IIS.
- Can a website use both Apache HTTP Server and Microsoft IIS?
- Yes: 0 of the 7,859 sites show both (<0.1%); 691 show only Apache HTTP Server and 78 only Microsoft IIS.