The Security Space Web Server Survey is a survey of Web server software usage on the Internet broken down by 86 domains. Security Space estimates that even though there are almost 20 million Web sites, nearly 90 percent are “orphans” to which no other sites link.
Security Space’s Web server survey includes only those servers referenced on other sites.
More than 8.9 million Web sites responded to the January 2002 survey, down for the third consecutive month from the more than 9 million responses received in October. More than 4.7 million of those, or 53 percent, had .com domains.
| All Domains (8,920,432) server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 5,507,803 | 61.74% | 5,339,636 | 62.64% | -0.90% |
| Microsoft | 2,164,354 | 24.26% | 2,003,187 | 23.50% | +0.76% |
| Netscape | 105,122 | 1.18% | 101,414 | 23.50% | 1.19% |
| Zeus | 82,594 | 0.93% | 74,538 | 0.87% | +0.06% |
| WebSTAR | 63,052 | 0.71% | 48,786 | 0.57% | +0.14% |
| WebSite | 31,495 | 0.35% | 30,702 | 0.36% | -0.01% |
| Other | 966,012 | 10.83% | 925,390 | 10.86% | -0.03% |
| Domain Summary |
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| Domain | Description | Web Servers | Percentage | |
| .com | Commercial | 4,730,157 | 53.03% | |
| .net | Network | 589,860 | 6.61% | |
| .de | Germany | 572,660 | 6.42% | |
| .org | Nonprofit Orgs | 484,793 | 5.43% | |
| .uk | United Kingdom | 272,751 | 3.06% | |
| .edu | Educational | 84,025 | 0.94% | |
| .gov | U.S. Gov’t | 11,004 | 0.12% | |
| Server Breakdown Across All Domains of the 10 most popular servers. Server order is based on global market share |
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| Server Name | Number Found | Percentage | ||
| Microsoft-IIS/5.0 | 1,618,527 | 18.14% | ||
| Apache/1.3.26 | 1,528,726 | 17.14% | ||
| Apache/1.3.27 | 1,250,286 | 14.02% | ||
| Roxen/2.2.252 | 596,919 | 6.69% | ||
| Apache | 553,146 | 6.20% | ||
| Microsoft-IIS/4.0 | 532,112 | 5.97% | ||
| Apache/1.3.20 | 349,451 | 3.92% | ||
| Apache/1.3.22 | 297,694 | 3.34% | ||
| Apache/1.3.19 | 221,917 | 2.49% | ||
| Apache/1.3.23 | 179,468 | 2.01% | ||
The Security Space Web Server Survey is a survey of Web server software usage on the Internet broken down by 86 domains. Below are statistical breakouts for some of the more popular domains. Summary data is also available.
| .com (Commercial) Domains 4,730,157 servers server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 2,704,201 | 57.17% | 2,735,815 | 59.33% | -2.16% |
| Microsoft | 1,134,550 | 23.99% | 1,048,583 | 22.74% | +1.25% |
| Netscape | 46,026 | 0.97% | 43,778 | 0.95% | +0.02% |
| Zeus | 41,261 | 0.87% | 38,226 | 0.83% | +0.04% |
| WebSTAR | 39,831 | 0.84% | 27,918 | 0.61% | +0.23% |
| WebSite | 15,346 | 0.32% | 15,236 | 0.33% | -0.01% |
| Other | 748,942 | 15.83% | 702,012 | 15.22% | +0.61% |
| .net (Network) Domains 589,860 servers server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 455,947 | 77.30% | 437,807 | 78.10% | -0.80% |
| Microsoft | 101,219 | 17.16% | 94,547 | 16.87% | +0.29% |
| Netscape | 4,691 | 0.80% | 4,456 | 0.79% | +0.01% |
| Zeus | 5,091 | 0.86% | 4,577 | 0.82% | +0.04% |
| WebSTAR | 1,510 | 0.26% | 1,413 | 0.25% | +0.01% |
| WebSite | 2,449 | 0.42% | 2,353 | 0.42% | 0.00% |
| Other | 18,953 | 3.21% | 15,386 | 2.74% | +0.47% |
| .de (Germany) Domains 572,660 servers server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 497,429 | 86.86% | 458,637 | 86.54% | +0.32% |
| Microsoft | 53,594 | 9.36% | 50,217 | 9.48% | -0.12% |
| Netscape | 7,656 | 1.34% | 7,220 | 1.36% | -0.02% |
| Zeus | 899 | 0.16% | 983 | 0.19% | -0.03% |
| WebSTAR | 1,043 | 0.18% | 1,045 | 0.20% | -0.02% |
| WebSite | 1,167 | 0.20% | 1,133 | 0.21% | -0.01% |
| Other | 10,872 | 1.90% | 10,755 | 2.03% | -0.13% |
| .org (Nonprofit Organizations) Domains 484,793 servers server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 305,070 | 62.93% | 286,712 | 63.45% | -0.52% |
| Microsoft | 142,405 | 29.37% | 130,476 | 28.88% | +0.49% |
| Netscape | 4,913 | 1.01% | 4,736 | 1.05% | -0.04% |
| Zeus | 4,312 | 0.89% | 3,999 | 0.89% | 0.00% |
| WebSTAR | 3,198 | 0.66% | 3,028 | 0.67% | -0.01% |
| WebSite | 3,598 | 0.74% | 3,413 | 0.76% | -0.02% |
| Other | 21,297 | 4.39% | 19,489 | 4.31% | +0.08% |
| .uk (United Kingdom) Domains 272,751 servers server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 165,293 | 60.60% | 153,725 | 55.60% | +5.00% |
| Microsoft | 75,971 | 27.85% | 69,448 | 25.12% | +2.73% |
| Netscape | 4,172 | 1.53% | 5,186 | 1.88% | -0.35% |
| Zeus | 18,367 | 6.73% | 15,784 | 5.71% | +1.02% |
| WebSTAR | 689 | 0.25% | 674 | 0.24% | +0.01% |
| WebSite | 644 | 0.24% | 613 | 0.22% | +0.02% |
| Other | 7,615 | 2.79% | 31,057 | 11.23% | -8.44% |
| .edu (Educational) Domains 84,025 servers server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 43,641 | 51.94% | 40,597 | 51.75% | +0.19% |
| Microsoft | 27,916 | 33.22% | 25,878 | 32.98% | +0.24% |
| Netscape | 3,744 | 4.46% | 3,594 | 4.58% | -0.12% |
| Zeus | 109 | 0.13% | 100 | 0.13% | 0.00% |
| WebSTAR | 2,227 | 2.65% | 2,133 | 2.72% | -0.07% |
| WebSite | 513 | 0.61% | 498 | 0.63% | -0.02% |
| Other | 5,875 | 6.99% | 5,655 | 7.21% | -0.22% |
| .gov (US Government) Domains 11,004 servers server order is based on global market share |
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| Server | January Count | January % | December Count | December % | Change |
| Apache | 4,144 | 37.66% | 3,870 | 37.07% | +0.59% |
| Microsoft | 3,847 | 34.96% | 3,605 | 34.53% | +0.43% |
| Netscape | 1,456 | 13.23% | 1,513 | 14.49% | -1.26% |
| Zeus | 0 | 0.00% | 0 | 0.00% | 0.00% |
| WebSTAR | 185 | 1.68% | 176 | 1.69% | -0.01% |
| WebSite | 80 | 0.73% | 79 | 0.76% | -0.03% |
| Other | 1,292 | 11.74% | 1,197 | 11.47% | +0.27% |
