Apache HTTP Server VS Microsoft IIS
As of 4 November 2026, Microsoft IIS is named by 1,292 companies and Apache HTTP Server by 1,620; Apache HTTP Server skews to companies under 200 people (52% vs 41%), Microsoft IIS to companies over 1,000 (34% vs 26%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Apache HTTP Server's script and mail records show on hundreds of thousands of small sites, Microsoft IIS rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apache HTTP Server: 2–200 employees
- 52%
- Microsoft IIS: 2–200 employees
- 41%
- Apache HTTP Server: 1,000+ employees
- 26%
- Microsoft IIS: 1,000+ employees
- 34%
- Postings per company, 90 days
- 1.9 · 1.9
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Apache HTTP Server | share | Microsoft IIS | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 52 | 3% | 21 | 2% | even |
| 2-10 employees | 137 | 8% | 73 | 6% | Apache HTTP Server |
| 11-50 employees | 338 | 21% | 191 | 15% | Apache HTTP Server |
| 51-200 employees | 365 | 23% | 265 | 21% | Apache HTTP Server |
| 201-500 employees | 197 | 12% | 187 | 14% | Microsoft IIS |
| 501-1000 employees | 117 | 7% | 120 | 9% | Microsoft IIS |
| 1001-5000 employees | 192 | 12% | 209 | 16% | Microsoft IIS |
| 5001-10000 employees | 72 | 4% | 63 | 5% | even |
| 10,001+ employees | 150 | 9% | 163 | 13% | Microsoft IIS |
| Segment | Apache HTTP Server | share | Microsoft IIS | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 900 | 56% | 645 | 50% | Apache HTTP Server |
| Business & finance services | 323 | 20% | 276 | 21% | even |
| Manufacturing & industry | 73 | 5% | 116 | 9% | Microsoft IIS |
| Consumer services & leisure | 71 | 4% | 34 | 3% | even |
| Media & content | 60 | 4% | 26 | 2% | even |
| Public, community & associations | 52 | 3% | 48 | 4% | even |
| Utilities & infrastructure | 37 | 2% | 30 | 2% | even |
| Commerce & trade | 35 | 2% | 29 | 2% | even |
| Health care | 18 | 1% | 28 | 2% | even |
| Transport, logistics & rental | 15 | 1% | 22 | 2% | even |
| Hospitality & travel | 14 | 1% | – | – | outside top 12 |
| Automotive | 11 | 1% | 11 | 1% | even |
| Property & construction | – | – | 18 | 1% | outside top 12 |
| Segment | Apache HTTP Server | share | Microsoft IIS | share | Leans |
|---|---|---|---|---|---|
| United States | 809 | 50% | 739 | 57% | Microsoft IIS |
| India | 112 | 7% | 37 | 3% | Apache HTTP Server |
| Germany | 106 | 7% | 45 | 3% | Apache HTTP Server |
| France | 89 | 5% | 57 | 4% | even |
| United Kingdom | 88 | 5% | 63 | 5% | even |
| Canada | 43 | 3% | 40 | 3% | even |
| Italy | 27 | 2% | 23 | 2% | even |
| Poland | 19 | 1% | 15 | 1% | even |
| Australia | 17 | 1% | 14 | 1% | even |
| Belgium | 17 | 1% | 13 | 1% | even |
| Brazil | 17 | 1% | 21 | 2% | even |
| Spain | 13 | 1% | 15 | 1% | even |
| Segment | Apache HTTP Server | share | Microsoft IIS | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 2,557 | 46% | 1,328 | 33% | Apache HTTP Server |
| IT operations & business systems | 1,282 | 23% | 1,417 | 35% | Microsoft IIS |
| Data & AI | 423 | 8% | 116 | 3% | Apache HTTP Server |
| Engineering (non-software) | 178 | 3% | 137 | 3% | even |
| Customer service & success | 118 | 2% | 193 | 5% | Microsoft IIS |
| Product, program & project management | 39 | 1% | 67 | 2% | even |
| Skilled trades and field service | 29 | 1% | 7 | 0% | even |
| Sales | 22 | 0% | 50 | 1% | even |
| Unclassified | 21 | 0% | 5 | 0% | even |
| Quality, safety & environment | 20 | 0% | 6 | 0% | even |
| General management & consulting | 13 | 0% | 15 | 0% | even |
| Marketing & communications | 12 | 0% | 9 | 0% | even |
| Administration & office | 11 | 0% | 7 | 0% | even |
| Logistics warehouse and transport | 10 | 0% | 4 | 0% | even |
| Legal, compliance & risk | 9 | 0% | 11 | 0% | even |
| Education & training | 8 | 0% | 3 | 0% | even |
| Business development & strategy | 7 | 0% | 4 | 0% | even |
| Human resources | 7 | 0% | 3 | 0% | even |
| Research and science | 7 | 0% | 27 | 1% | even |
| Public safety and protective services | 6 | 0% | – | – | outside top 12 |
| Construction and civil | 5 | 0% | – | – | outside top 12 |
| Design & UX | 4 | 0% | 2 | 0% | even |
| Finance & accounting | 4 | 0% | 7 | 0% | even |
| Healthcare clinical | 3 | 0% | 2 | 0% | even |
| Manufacturing and production | 3 | 0% | 5 | 0% | even |
| Arts media and entertainment | 2 | 0% | 4 | 0% | even |
| Facilities cleaning and security | 2 | 0% | – | – | outside top 12 |
| Healthcare support and caregiving | 1 | 0% | 7 | 0% | even |
| Hospitality and food service | 1 | 0% | 1 | 0% | even |
| Procurement and purchasing | 1 | 0% | – | – | outside top 12 |
| Retail & store operations | – | – | 2 | 0% | outside top 12 |
| Social care and community | – | – | 2 | 0% | outside top 12 |
The companies behind each column
Companies using Apache HTTP Server →
Companies using Microsoft IIS →
web app servers ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Microsoft IIS is named by 1,292 companies in job postings and Apache HTTP Server by 1,620; 400 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/apache-http-server-vs-microsoft-iis)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Apache HTTP Server vs Microsoft IIS: questions
Which is more used, Apache HTTP Server or Microsoft IIS?
By companies naming it in their own job postings, Apache HTTP Server (1,620) over Microsoft IIS (1,292). By website-and-DNS footprint, Microsoft IIS (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apache HTTP Server?
52% of Apache HTTP Server companies have 2 to 200 employees, against 41% for Microsoft IIS. 26% of Apache HTTP Server companies have over 1,000 employees, against 34% for Microsoft IIS.
Do companies run both?
400 companies name both in their postings, usually Apache HTTP Server in marketing and Microsoft IIS in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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