| Used Operating Systems |
| 1 | 2697 | 51.45 | 1294 | 53.85 | Windows NT |
| 2 | 821 | 15.66 | 334 | 13.90 | +http://ahrefs.com/robot/ |
| 3 | 519 | 9.90 | 359 | 14.94 | +http://www.baidu.com/search/spider.html |
| 4 | 395 | 7.54 | 162 | 6.74 | +http://www.bing.com/bingbot.htm |
| 5 | 387 | 7.38 | 136 | 5.66 | +http://www.google.com/bot.html |
| 6 | 214 | 4.08 | 46 | 1.91 | +http://yandex.com/bots |
| 7 | 50 | 0.95 | 10 | 0.42 | http://crawler.sistrix.net/ |
| 8 | 36 | 0.69 | 19 | 0.79 | Intel Mac OS X 10.4 |
| 9 | 32 | 0.61 | 16 | 0.67 | ezooms.bot@gmail.com |
| 10 | 22 | 0.42 | 9 | 0.37 | ScoutJet; +http://blekko.com/about/blekk... |
| 11 | 19 | 0.36 | 3 | 0.12 | +http://go.mail.ru/help/robots |
| 12 | 14 | 0.27 | 2 | 0.08 | +http://www.warebay.com/bot.html |
| 13 | 12 | 0.23 | 3 | 0.12 | MirrorDetector; +http://yandex.com/bots |
| 14 | 8 | 0.15 | 1 | 0.04 | Linux i686 [unknown version] |
| 15 | 8 | 0.15 | 4 | 0.17 | Windows 98 |
| 16 | 4 | 0.08 | 2 | 0.08 | +info@netcraft.com |
| 17 | 2 | 0.04 | 2 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 18 | 1 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 19 | 1 | 0.02 | 1 | 0.04 | Linux [unknown version] |
