| Used Operating Systems |
| 1 | 24735 | 76.10 | 203 | 5.42 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2447 | 7.53 | 1975 | 52.75 | +http://www.baidu.com/search/spider.html |
| 3 | 1553 | 4.78 | 290 | 7.75 | Windows NT |
| 4 | 1303 | 4.01 | 473 | 12.63 | +http://www.bing.com/bingbot.htm |
| 5 | 958 | 2.95 | 332 | 8.87 | +http://www.google.com/bot.html |
| 6 | 216 | 0.66 | 105 | 2.80 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 210 | 0.65 | 68 | 1.82 | +http://www.linkdex.com/bots/ |
| 8 | 198 | 0.61 | 81 | 2.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 165 | 0.51 | 95 | 2.54 | +http://ahrefs.com/robot/ |
| 10 | 129 | 0.40 | 8 | 0.21 | +http://corp.sputnik.ru/webmaster |
| 11 | 123 | 0.38 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 12 | 117 | 0.36 | 22 | 0.59 | +http://yandex.com/bots |
| 13 | 94 | 0.29 | 17 | 0.45 | +http://www.semrush.com/bot.html |
| 14 | 64 | 0.20 | 1 | 0.03 | +http://fulltext.sblog.cz/ |
| 15 | 45 | 0.14 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 16 | 38 | 0.12 | 20 | 0.53 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 21 | 0.06 | 9 | 0.24 | +http://www.exabot.com/go/robot |
| 18 | 12 | 0.04 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 19 | 8 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 20 | 7 | 0.02 | 1 | 0.03 | http://filterdb.iss.net/crawler/ |
| 21 | 6 | 0.02 | 6 | 0.16 | Windows 95 |
| 22 | 6 | 0.02 | 3 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 5 | 0.02 | 0 | 0.00 | PPC Mac OS X 10.6.8; Tasman 1.0 |
| 24 | 4 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 25 | 4 | 0.01 | 2 | 0.05 | +http://www.xovibot.net/ |
| 26 | 4 | 0.01 | 2 | 0.05 | Windows 98 |
| 27 | 4 | 0.01 | 2 | 0.05 | +http://duckduckgo.com |
| 28 | 4 | 0.01 | 4 | 0.11 | +http://domainsigma.com/robot |
| 29 | 3 | 0.01 | 3 | 0.08 | Auto; Windows |
| 30 | 3 | 0.01 | 2 | 0.05 | Windows ME |
| 31 | 3 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 32 | 3 | 0.01 | 3 | 0.08 | ActiveXperts.Http |
| 33 | 2 | 0.01 | 2 | 0.05 | Linux [unknown version] |
| 34 | 2 | 0.01 | 2 | 0.05 | Windows 3.1 |
| 35 | 2 | 0.01 | 1 | 0.03 | Windows XP |
| 36 | 2 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 1 | 0.00 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
