| Used Operating Systems |
| 1 | 4161 | 43.63 | 2771 | 80.55 | +http://www.baidu.com/search/spider.html |
| 2 | 1317 | 13.81 | 287 | 8.34 | +http://www.google.com/bot.html |
| 3 | 1069 | 11.21 | 160 | 4.65 | +http://yandex.com/bots |
| 4 | 919 | 9.64 | 8 | 0.23 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 793 | 8.32 | 89 | 2.59 | Windows NT |
| 6 | 532 | 5.58 | 0 | 0.00 | ezooms.bot@gmail.com |
| 7 | 226 | 2.37 | 79 | 2.30 | +http://www.bing.com/bingbot.htm |
| 8 | 217 | 2.28 | 2 | 0.06 | +http://ahrefs.com/robot/ |
| 9 | 170 | 1.78 | 0 | 0.00 | +http://shoulu.jike.com/spider.html |
| 10 | 42 | 0.44 | 19 | 0.55 | +http://www.exabot.com/go/robot |
| 11 | 33 | 0.35 | 2 | 0.06 | +http://discoveryengine.com/discoverybot... |
| 12 | 15 | 0.16 | 5 | 0.15 | http://crawler.sistrix.net/ |
| 13 | 12 | 0.13 | 3 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 8 | 0.08 | 8 | 0.23 | Windows 98 |
| 15 | 6 | 0.06 | 1 | 0.03 | J2ME/MIDP |
| 16 | 5 | 0.05 | 0 | 0.00 | Linux i686 [unknown version] |
| 17 | 4 | 0.04 | 2 | 0.06 | http://www.botje.com/plukkie.htm |
| 18 | 4 | 0.04 | 2 | 0.06 | +info@netcraft.com |
| 19 | 1 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 20 | 1 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 21 | 1 | 0.01 | 1 | 0.03 | +http://www.profound.net/sibot.html |
