| Used Operating Systems by Visits |
| 1 | 15209 | 46.88 | 5469 | 56.54 | Windows NT |
| 2 | 2571 | 7.92 | 2302 | 23.80 | +http://www.baidu.com/search/spider.html |
| 3 | 6743 | 20.78 | 354 | 3.66 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1945 | 5.99 | 282 | 2.92 | +http://www.google.com/bot.html |
| 5 | 514 | 1.58 | 220 | 2.27 | +http://www.bing.com/bingbot.htm |
| 6 | 757 | 2.33 | 189 | 1.95 | ezooms.bot@gmail.com |
| 7 | 296 | 0.91 | 184 | 1.90 | Windows 95 |
| 8 | 124 | 0.38 | 74 | 0.77 | +http://www.linkdex.com/about/bots/ |
| 9 | 240 | 0.74 | 63 | 0.65 | Windows 98 |
| 10 | 71 | 0.22 | 48 | 0.50 | ) - BrowseX (2.0.0 Windows |
| 11 | 92 | 0.28 | 46 | 0.48 | +http://help.coccoc.com/ |
| 12 | 2730 | 8.41 | 44 | 0.45 | +http://yandex.com/bots |
| 13 | 60 | 0.18 | 43 | 0.44 | Windows CE |
| 14 | 59 | 0.18 | 40 | 0.41 | Auto; Windows |
| 15 | 81 | 0.25 | 40 | 0.41 | Windows 3.1 |
| 16 | 112 | 0.35 | 39 | 0.40 | X11 |
| 17 | 44 | 0.14 | 34 | 0.35 | Windows 2000 |
| 18 | 44 | 0.14 | 33 | 0.34 | MSIE 5.5; Windows NT 5.0 |
| 19 | 51 | 0.16 | 30 | 0.31 | Windows ME |
| 20 | 38 | 0.12 | 30 | 0.31 | MSIE 5.5; Windows NT 4.0 |
| 21 | 317 | 0.98 | 29 | 0.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 33 | 0.10 | 16 | 0.17 | +http://www.easou.com/search/spider.html |
| 23 | 49 | 0.15 | 11 | 0.11 | Android 2.3.5 |
| 24 | 10 | 0.03 | 8 | 0.08 | +http://help.soso.com/webspider.htm |
| 25 | 38 | 0.12 | 6 | 0.06 | Windows XP |
| 26 | 4 | 0.01 | 4 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 27 | 8 | 0.02 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 28 | 6 | 0.02 | 3 | 0.03 | http://www.botje.com/plukkie.htm |
| 29 | 6 | 0.02 | 3 | 0.03 | +http://botw.org |
| 30 | 42 | 0.13 | 2 | 0.02 | Windows 93 |
| 31 | 22 | 0.07 | 2 | 0.02 | +http://www.warebay.com/bot.html |
| 32 | 18 | 0.06 | 2 | 0.02 | +http://www.aihit.com/ |
| 33 | 4 | 0.01 | 2 | 0.02 | +http://www.yunyun.com/spider.html |
| 34 | 4 | 0.01 | 2 | 0.02 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 35 | 4 | 0.01 | 2 | 0.02 | crawler@unister.de |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 37 | 34 | 0.10 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 38 | 8 | 0.02 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 4 | 0.01 | 2 | 0.02 | +http://www.exabot.com/go/robot |
| 40 | 9 | 0.03 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 41 | 9 | 0.03 | 1 | 0.01 | +http://www.seoprofiler.com/bot |
| 42 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 43 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows 95 |
| 44 | 4 | 0.01 | 0 | 0.00 | Win32 |
| 45 | 2 | 0.01 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 46 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 47 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 48 | 9 | 0.03 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 49 | 5 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 50 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
