| Used Operating Systems |
| 1 | 5837 | 31.22 | 4898 | 63.53 | +http://www.baidu.com/search/spider.html |
| 2 | 5008 | 26.79 | 740 | 9.60 | +http://www.google.com/bot.html |
| 3 | 3836 | 20.52 | 1276 | 16.55 | Windows NT |
| 4 | 1402 | 7.50 | 52 | 0.67 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 740 | 3.96 | 251 | 3.26 | +http://ahrefs.com/robot/ |
| 6 | 732 | 3.92 | 111 | 1.44 | +http://yandex.com/bots |
| 7 | 502 | 2.69 | 177 | 2.30 | +http://www.bing.com/bingbot.htm |
| 8 | 98 | 0.52 | 7 | 0.09 | +http://fulltext.sblog.cz/ |
| 9 | 94 | 0.50 | 74 | 0.96 | +http://www.linkdex.com/bots/ |
| 10 | 62 | 0.33 | 22 | 0.29 | +http://www.exabot.com/go/robot |
| 11 | 49 | 0.26 | 7 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 12 | 48 | 0.26 | 4 | 0.05 | WinHttp.WinHttpRequest.5 |
| 13 | 41 | 0.22 | 10 | 0.13 | http://crawler.sistrix.net/ |
| 14 | 34 | 0.18 | 10 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 30 | 0.16 | 5 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 16 | 30 | 0.16 | 6 | 0.08 | +http://www.profound.net/domainappender |
| 17 | 21 | 0.11 | 3 | 0.04 | +http://advbot.net/bot.html |
| 18 | 17 | 0.09 | 9 | 0.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 16 | 0.09 | 2 | 0.03 | +http://www.similartech.com/smtbot |
| 20 | 16 | 0.09 | 4 | 0.05 | http://filterdb.iss.net/crawler/ |
| 21 | 10 | 0.05 | 5 | 0.06 | +http://help.coccoc.com/ |
| 22 | 9 | 0.05 | 3 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 8 | 0.04 | 4 | 0.05 | +http://www.semrush.com/bot.html |
| 24 | 6 | 0.03 | 2 | 0.03 | +http://getdownload.ws |
| 25 | 6 | 0.03 | 6 | 0.08 | Windows 95 |
| 26 | 6 | 0.03 | 2 | 0.03 | +http://duckduckgo.com |
| 27 | 6 | 0.03 | 6 | 0.08 | +http://domainsigma.com/robot |
| 28 | 5 | 0.03 | 1 | 0.01 | Linux i686 [unknown version] |
| 29 | 5 | 0.03 | 4 | 0.05 | +info@netcraft.com |
| 30 | 4 | 0.02 | 0 | 0.00 | Windows XP |
| 31 | 4 | 0.02 | 2 | 0.03 | +http://gimme60.com |
| 32 | 3 | 0.02 | 3 | 0.04 | Windows ME |
| 33 | 2 | 0.01 | 1 | 0.01 | support.orangebot@orange.com |
| 34 | 2 | 0.01 | 2 | 0.03 | +http://www.xovibot.net/ |
| 35 | 2 | 0.01 | 0 | 0.00 | X11 |
| 36 | 2 | 0.01 | 1 | 0.01 | +; |
| 37 | 1 | 0.01 | 0 | 0.00 | Windows 98 |
