| Used Operating Systems |
| 1 | 12383 | 32.90 | 111 | 2.16 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11328 | 30.10 | 1979 | 38.54 | +http://ahrefs.com/robot/ |
| 3 | 3340 | 8.87 | 1078 | 20.99 | +http://www.baidu.com/search/spider.html |
| 4 | 3307 | 8.79 | 1 | 0.02 | +http://megaindex.com/crawler |
| 5 | 2449 | 6.51 | 1011 | 19.69 | Windows NT |
| 6 | 1370 | 3.64 | 202 | 3.93 | +http://www.linkdex.com/bots/ |
| 7 | 1179 | 3.13 | 556 | 10.83 | +http://www.google.com/bot.html |
| 8 | 770 | 2.05 | 49 | 0.95 | +http://yandex.com/bots |
| 9 | 706 | 1.88 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 10 | 517 | 1.37 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 11 | 107 | 0.28 | 27 | 0.53 | +http://www.bing.com/bingbot.htm |
| 12 | 47 | 0.12 | 12 | 0.23 | +http://www.semrush.com/bot.html |
| 13 | 25 | 0.07 | 13 | 0.25 | Windows 95 |
| 14 | 23 | 0.06 | 22 | 0.43 | Linux i686 [unknown version] |
| 15 | 18 | 0.05 | 17 | 0.33 | X11 |
| 16 | 17 | 0.05 | 15 | 0.29 | Windows 98 |
| 17 | 12 | 0.03 | 12 | 0.23 | Linux [unknown version] |
| 18 | 8 | 0.02 | 7 | 0.14 | J2ME/MIDP |
| 19 | 8 | 0.02 | 2 | 0.04 | Macintosh |
| 20 | 7 | 0.02 | 4 | 0.08 | Windows 2000 |
| 21 | 6 | 0.02 | 5 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 22 | 2 | 0.01 | 1 | 0.02 | Windows CE |
| 23 | 2 | 0.01 | 1 | 0.02 | Windows ME |
| 24 | 2 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 25 | 2 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 26 | 1 | 0.00 | 1 | 0.02 | i686 Linux; 20020602 |
