| Used Operating Systems |
| 1 | 8023 | 36.45 | 95 | 2.16 | Windows 98 |
| 2 | 3882 | 17.64 | 74 | 1.68 | Windows XP |
| 3 | 3452 | 15.68 | 3127 | 71.20 | +http://www.baidu.com/search/spider.html |
| 4 | 3171 | 14.41 | 297 | 6.76 | Windows NT |
| 5 | 1405 | 6.38 | 194 | 4.42 | +http://yandex.com/bots |
| 6 | 893 | 4.06 | 303 | 6.90 | +http://www.google.com/bot.html |
| 7 | 441 | 2.00 | 136 | 3.10 | +http://www.bing.com/bingbot.htm |
| 8 | 217 | 0.99 | 16 | 0.36 | http://crawler.sistrix.net/ |
| 9 | 150 | 0.68 | 26 | 0.59 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 104 | 0.47 | 43 | 0.98 | ezooms.bot@gmail.com |
| 11 | 87 | 0.40 | 29 | 0.66 | +http://ahrefs.com/robot/ |
| 12 | 56 | 0.25 | 3 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 38 | 0.17 | 17 | 0.39 | +http://www.exabot.com/go/robot |
| 14 | 32 | 0.15 | 14 | 0.32 | +http://discoveryengine.com/discoverybot... |
| 15 | 27 | 0.12 | 5 | 0.11 | Linux i686 [unknown version] |
| 16 | 13 | 0.06 | 1 | 0.02 | http://www.lipperhey.com/ |
| 17 | 6 | 0.03 | 4 | 0.09 | +info@netcraft.com |
| 18 | 5 | 0.02 | 1 | 0.02 | +http://www.compspy.com/spider.html |
| 19 | 4 | 0.02 | 4 | 0.09 | Intel Mac OS X 10.6 |
| 20 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 21 | 2 | 0.01 | 1 | 0.02 | +http://shoulu.jike.com/spider.html |
| 22 | 1 | 0.00 | 1 | 0.02 | OpenBSD [unknown version] |
