| Used Operating Systems by Visits |
| 1 | 2599 | 7.55 | 1338 | 35.65 | Windows NT |
| 2 | 906 | 2.63 | 695 | 18.52 | +http://www.baidu.com/search/spider.html |
| 3 | 1439 | 4.18 | 495 | 13.19 | +http://www.google.com/bot.html |
| 4 | 1365 | 3.96 | 478 | 12.74 | +http://www.bing.com/bingbot.htm |
| 5 | 26210 | 76.12 | 274 | 7.30 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 167 | 0.49 | 77 | 2.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 322 | 0.94 | 57 | 1.52 | +http://www.linkdex.com/bots/ |
| 8 | 174 | 0.51 | 46 | 1.23 | +http://yandex.com/bots |
| 9 | 62 | 0.18 | 44 | 1.17 | Windows 95 |
| 10 | 83 | 0.24 | 32 | 0.85 | +http://www.semrush.com/bot.html |
| 11 | 64 | 0.19 | 30 | 0.80 | +http://www.exabot.com/go/robot |
| 12 | 20 | 0.06 | 17 | 0.45 | +http://ahrefs.com/robot/ |
| 13 | 51 | 0.15 | 16 | 0.43 | Windows 98 |
| 14 | 18 | 0.05 | 14 | 0.37 | Auto; Windows |
| 15 | 12 | 0.03 | 10 | 0.27 | Windows CE |
| 16 | 11 | 0.03 | 9 | 0.24 | Windows ME |
| 17 | 9 | 0.03 | 9 | 0.24 | +http://domainsigma.com/robot |
| 18 | 24 | 0.07 | 8 | 0.21 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 163 | 0.47 | 8 | 0.21 | +http://www.findxbot.com |
| 20 | 16 | 0.05 | 8 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 134 | 0.39 | 8 | 0.21 | +http://fulltext.sblog.cz/ |
| 22 | 7 | 0.02 | 7 | 0.19 | Windows 2000 |
| 23 | 7 | 0.02 | 7 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 24 | 90 | 0.26 | 6 | 0.16 | http://www.searchmetrics.com/en/searchme... |
| 25 | 6 | 0.02 | 6 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 26 | 6 | 0.02 | 5 | 0.13 | Windows 3.1 |
| 27 | 26 | 0.08 | 4 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 28 | 4 | 0.01 | 4 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 29 | 3 | 0.01 | 3 | 0.08 | +http://www.seograph.net/bot.html |
| 30 | 3 | 0.01 | 3 | 0.08 | +http://support.embed.ly/ |
| 31 | 123 | 0.36 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 32 | 12 | 0.03 | 3 | 0.08 | Windows XP |
| 33 | 96 | 0.28 | 3 | 0.08 | +https://www.aihitdata.com/about |
| 34 | 6 | 0.02 | 3 | 0.08 | +http://corp.sputnik.ru/webmaster |
| 35 | 2 | 0.01 | 2 | 0.05 | Intel Mac OS X 10.5 |
| 36 | 2 | 0.01 | 2 | 0.05 | http://support.paper.li/entries/20023257... |
| 37 | 4 | 0.01 | 2 | 0.05 | +https://www.mojeek.com/bot.html |
| 38 | 12 | 0.03 | 2 | 0.05 | Linux i686 [unknown version] |
| 39 | 74 | 0.21 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 40 | 14 | 0.04 | 2 | 0.05 | http://filterdb.iss.net/crawler/ |
| 41 | 2 | 0.01 | 2 | 0.05 | Linux i586 [unknown version] |
| 42 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 18 | 0.05 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 44 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 45 | 2 | 0.01 | 1 | 0.03 | +http://www.openhose.org/bot.html |
| 46 | 2 | 0.01 | 1 | 0.03 | PPC Mac OS X Mach-O |
| 47 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 48 | 24 | 0.07 | 1 | 0.03 | +http://megaindex.com/crawler |
| 49 | 1 | 0.00 | 1 | 0.03 | Intel Mac OS X 10.6 |
| 50 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 51 | 3 | 0.01 | 0 | 0.00 | Solaris 9.x |
| 52 | 10 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 53 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 54 | 16 | 0.05 | 0 | 0.00 | snap; +http://support.embed.ly/ |
