| Used Operating Systems |
| 1 | 8424 | 47.59 | 580 | 15.96 | Windows NT |
| 2 | 2333 | 13.18 | 261 | 7.18 | +http://www.google.com/bot.html |
| 3 | 2326 | 13.14 | 1697 | 46.70 | +http://www.baidu.com/search/spider.html |
| 4 | 1575 | 8.90 | 503 | 13.84 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 703 | 3.97 | 85 | 2.34 | +http://yandex.com/bots |
| 6 | 606 | 3.42 | 3 | 0.08 | +http://www.warebay.com/bot.html |
| 7 | 539 | 3.05 | 136 | 3.74 | ezooms.bot@gmail.com |
| 8 | 401 | 2.27 | 162 | 4.46 | +http://www.bing.com/bingbot.htm |
| 9 | 162 | 0.92 | 83 | 2.28 | +http://ahrefs.com/robot/ |
| 10 | 121 | 0.68 | 4 | 0.11 | X11 |
| 11 | 81 | 0.46 | 17 | 0.47 | Windows 98 |
| 12 | 50 | 0.28 | 17 | 0.47 | +http://www.exabot.com/go/robot |
| 13 | 49 | 0.28 | 1 | 0.03 | PPC Mac OS X 10.5 |
| 14 | 44 | 0.25 | 1 | 0.03 | Intel Mac OS X 10.6 |
| 15 | 32 | 0.18 | 6 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 26 | 0.15 | 2 | 0.06 | Linux i686 [unknown version] |
| 17 | 25 | 0.14 | 1 | 0.03 | Intel Mac OS X 10.5 |
| 18 | 24 | 0.14 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 19 | 23 | 0.13 | 1 | 0.03 | J2ME/MIDP |
| 20 | 21 | 0.12 | 15 | 0.41 | Windows 95 |
| 21 | 12 | 0.07 | 3 | 0.08 | http://www.lipperhey.com/ |
| 22 | 12 | 0.07 | 8 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 23 | 10 | 0.06 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 24 | 9 | 0.05 | 1 | 0.03 | OS/2 |
| 25 | 8 | 0.05 | 4 | 0.11 | Windows CE |
| 26 | 8 | 0.05 | 6 | 0.17 | http://crawler.sistrix.net/ |
| 27 | 8 | 0.05 | 2 | 0.06 | +http://www.seoprofiler.com/bot |
| 28 | 7 | 0.04 | 7 | 0.19 | Windows 2000 |
| 29 | 7 | 0.04 | 3 | 0.08 | +http://discoveryengine.com/discobot.htm... |
| 30 | 6 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 31 | 6 | 0.03 | 1 | 0.03 | +http://www.scoutjet.com/ |
| 32 | 6 | 0.03 | 3 | 0.08 | +http://botw.org |
| 33 | 5 | 0.03 | 3 | 0.08 | Linux [unknown version] |
| 34 | 4 | 0.02 | 4 | 0.11 | +http://pmoz.info/doc/botinfo.htm |
| 35 | 4 | 0.02 | 0 | 0.00 | Windows 9. |
| 36 | 4 | 0.02 | 4 | 0.11 | Windows XP |
| 37 | 4 | 0.02 | 4 | 0.11 | Windows 3.1 |
| 38 | 4 | 0.02 | 1 | 0.03 | +http://domains.checkparams.com/ |
| 39 | 3 | 0.02 | 1 | 0.03 | +http://eripp.com |
| 40 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 41 | 2 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 42 | 1 | 0.01 | 1 | 0.03 | webcrawler at wise-guys dot nl; http://w... |
| 43 | 1 | 0.01 | 0 | 0.00 | webcrawler at wise-guys dot nl; http://w... |
| 44 | 1 | 0.01 | 0 | 0.00 | NT4.0 |
| 45 | 1 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 46 | 1 | 0.01 | 0 | 0.00 | Macintosh |
