| Used Operating Systems |
| 1 | 4570 | 36.45 | 3002 | 73.13 | +http://www.baidu.com/search/spider.html |
| 2 | 2456 | 19.59 | 277 | 6.75 | Windows NT |
| 3 | 2175 | 17.35 | 305 | 7.43 | ezooms.bot@gmail.com |
| 4 | 959 | 7.65 | 111 | 2.70 | +http://www.google.com/bot.html |
| 5 | 641 | 5.11 | 9 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 479 | 3.82 | 163 | 3.97 | +http://www.bing.com/bingbot.htm |
| 7 | 430 | 3.43 | 73 | 1.78 | +http://yandex.com/bots |
| 8 | 265 | 2.11 | 104 | 2.53 | +http://ahrefs.com/robot/ |
| 9 | 223 | 1.78 | 16 | 0.39 | http://crawler.sistrix.net/ |
| 10 | 184 | 1.47 | 7 | 0.17 | +http://shoulu.jike.com/spider.html |
| 11 | 30 | 0.24 | 15 | 0.37 | Windows 95 |
| 12 | 29 | 0.23 | 4 | 0.10 | Windows 98 |
| 13 | 28 | 0.22 | 2 | 0.05 | +http://www.forumseek.net |
| 14 | 25 | 0.20 | 3 | 0.07 | +http://discoveryengine.com/discoverybot... |
| 15 | 18 | 0.14 | 8 | 0.19 | +http://www.exabot.com/go/robot |
| 16 | 14 | 0.11 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 17 | 6 | 0.05 | 2 | 0.05 | ScoutJet; +http://blekko.com/about/blekk... |
| 18 | 4 | 0.03 | 2 | 0.05 | Linux i686 [unknown version] |
| 19 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 20 | 1 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
