| Used Operating Systems |
| 1 | 29873 | 38.77 | 629 | 7.30 | +http://yandex.com/bots |
| 2 | 14032 | 18.21 | 859 | 9.96 | Windows NT |
| 3 | 12946 | 16.80 | 2 | 0.02 | +http://megaindex.com/crawler |
| 4 | 6226 | 8.08 | 182 | 2.11 | http://mj12bot.com/ |
| 5 | 5751 | 7.46 | 3902 | 45.26 | +http://ahrefs.com/robot/ |
| 6 | 3289 | 4.27 | 2212 | 25.66 | +http://www.baidu.com/search/spider.html |
| 7 | 1190 | 1.54 | 5 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 8 | 737 | 0.96 | 100 | 1.16 | +http://www.semrush.com/bot.html |
| 9 | 680 | 0.88 | 13 | 0.15 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 530 | 0.69 | 155 | 1.80 | +http://www.linkdex.com/bots/ |
| 11 | 459 | 0.60 | 118 | 1.37 | +http://www.google.com/bot.html |
| 12 | 190 | 0.25 | 79 | 0.92 | Windows 95 |
| 13 | 179 | 0.23 | 72 | 0.84 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 153 | 0.20 | 58 | 0.67 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 123 | 0.16 | 13 | 0.15 | Windows 98 |
| 16 | 122 | 0.16 | 16 | 0.19 | +http://www.bing.com/bingbot.htm |
| 17 | 76 | 0.10 | 8 | 0.09 | +http://siteexplorer.info/Backlink-Check... |
| 18 | 52 | 0.07 | 11 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 19 | 51 | 0.07 | 18 | 0.21 | +http://www.exabot.com/go/robot |
| 20 | 36 | 0.05 | 4 | 0.05 | +http://www.seokicks.de/robot.html |
| 21 | 33 | 0.04 | 5 | 0.06 | Windows XP |
| 22 | 32 | 0.04 | 19 | 0.22 | Auto; Windows |
| 23 | 32 | 0.04 | 17 | 0.20 | ) - BrowseX (2.0.0 Windows |
| 24 | 31 | 0.04 | 18 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 25 | 26 | 0.03 | 2 | 0.02 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 26 | 26 | 0.03 | 14 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 27 | 25 | 0.03 | 10 | 0.12 | Windows ME |
| 28 | 24 | 0.03 | 14 | 0.16 | Windows CE |
| 29 | 24 | 0.03 | 14 | 0.16 | Windows 2000 |
| 30 | 24 | 0.03 | 12 | 0.14 | Windows 3.1 |
| 31 | 24 | 0.03 | 23 | 0.27 | +http://www.uptime.com/uptimebot |
| 32 | 12 | 0.02 | 6 | 0.07 | +http://sur.ly/bot.html |
| 33 | 8 | 0.01 | 6 | 0.07 | Win32 |
| 34 | 7 | 0.01 | 0 | 0.00 | Windows 9x |
| 35 | 4 | 0.01 | 2 | 0.02 | +https://www.mojeek.com/bot.html |
| 36 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 37 | 3 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 38 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 39 | 2 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 40 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 41 | 2 | 0.00 | 1 | 0.01 | X11 |
| 42 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
