| Used Operating Systems |
| 1 | 2111 | 44.57 | 1935 | 54.82 | +http://www.baidu.com/search/spider.html |
| 2 | 1480 | 31.25 | 1179 | 33.40 | Windows NT |
| 3 | 427 | 9.02 | 196 | 5.55 | +http://www.bing.com/bingbot.htm |
| 4 | 191 | 4.03 | 37 | 1.05 | +http://yandex.com/bots |
| 5 | 104 | 2.20 | 51 | 1.44 | +http://www.google.com/bot.html |
| 6 | 77 | 1.63 | 36 | 1.02 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 35 | 0.74 | 14 | 0.40 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 33 | 0.70 | 17 | 0.48 | +http://www.exabot.com/go/robot |
| 9 | 32 | 0.68 | 4 | 0.11 | http://crawler.sistrix.net/ |
| 10 | 30 | 0.63 | 2 | 0.06 | +http://webmeup-crawler.com/ |
| 11 | 30 | 0.63 | 2 | 0.06 | Windows 98 |
| 12 | 27 | 0.57 | 18 | 0.51 | +http://ahrefs.com/robot/ |
| 13 | 24 | 0.51 | 2 | 0.06 | +http://www.linkpad.ru |
| 14 | 24 | 0.51 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 15 | 19 | 0.40 | 7 | 0.20 | +http://fulltext.sblog.cz/ |
| 16 | 16 | 0.34 | 2 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 17 | 14 | 0.30 | 2 | 0.06 | WinHttp.WinHttpRequest.5 |
| 18 | 12 | 0.25 | 7 | 0.20 | +http://wmaid.com/explore/ |
| 19 | 9 | 0.19 | 1 | 0.03 | http://crawler.007ac9.net/ |
| 20 | 8 | 0.17 | 4 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 6 | 0.13 | 2 | 0.06 | +http://getdownload.ws |
| 22 | 6 | 0.13 | 2 | 0.06 | +http://inload.in |
| 23 | 4 | 0.08 | 2 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 4 | 0.08 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 4 | 0.08 | 2 | 0.06 | +info@netcraft.com |
| 26 | 3 | 0.06 | 0 | 0.00 | Linux 2.4.x |
| 27 | 2 | 0.04 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 28 | 2 | 0.04 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 29 | 1 | 0.02 | 1 | 0.03 | Linux i686 [unknown version] |
| 30 | 1 | 0.02 | 1 | 0.03 | FreeBSD [unknown version] |
