| Used Operating Systems |
| 1 | 42648 | 56.38 | 524 | 19.85 | +http://yandex.com/bots |
| 2 | 8613 | 11.39 | 206 | 7.80 | +http://ahrefs.com/robot/ |
| 3 | 8425 | 11.14 | 771 | 29.20 | Windows NT |
| 4 | 7522 | 9.94 | 92 | 3.48 | http://mj12bot.com/ |
| 5 | 3178 | 4.20 | 555 | 21.02 | +http://www.baidu.com/search/spider.html |
| 6 | 2251 | 2.98 | 7 | 0.27 | +http://OpenLinkProfiler.org/bot |
| 7 | 805 | 1.06 | 146 | 5.53 | +http://www.linkdex.com/bots/ |
| 8 | 511 | 0.68 | 104 | 3.94 | +http://www.google.com/bot.html |
| 9 | 190 | 0.25 | 23 | 0.87 | Windows 95 |
| 10 | 177 | 0.23 | 12 | 0.45 | +http://siteexplorer.info/Backlink-Check... |
| 11 | 164 | 0.22 | 35 | 1.33 | +http://www.semrush.com/bot.html |
| 12 | 134 | 0.18 | 12 | 0.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 126 | 0.17 | 11 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 120 | 0.16 | 3 | 0.11 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 120 | 0.16 | 3 | 0.11 | Windows 98 |
| 16 | 111 | 0.15 | 29 | 1.10 | +http://www.bing.com/bingbot.htm |
| 17 | 67 | 0.09 | 4 | 0.15 | Windows 2000 |
| 18 | 62 | 0.08 | 1 | 0.04 | Windows XP |
| 19 | 46 | 0.06 | 2 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 20 | 45 | 0.06 | 41 | 1.55 | +http://www.uptime.com/uptimebot |
| 21 | 40 | 0.05 | 4 | 0.15 | Auto; Windows |
| 22 | 40 | 0.05 | 15 | 0.57 | +http://www.exabot.com/go/robot |
| 23 | 36 | 0.05 | 4 | 0.15 | +http://www.seokicks.de/robot.html |
| 24 | 35 | 0.05 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 25 | 34 | 0.04 | 8 | 0.30 | +http://napoveda.seznam.cz/en/seznambot-... |
| 26 | 22 | 0.03 | 4 | 0.15 | Windows CE |
| 27 | 22 | 0.03 | 2 | 0.08 | +http://seocharger.com/robot |
| 28 | 18 | 0.02 | 4 | 0.15 | Windows ME |
| 29 | 18 | 0.02 | 4 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 30 | 14 | 0.02 | 0 | 0.00 | Windows 3.1 |
| 31 | 12 | 0.02 | 0 | 0.00 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 32 | 10 | 0.01 | 6 | 0.23 | +http://sur.ly/bot.html |
| 33 | 6 | 0.01 | 0 | 0.00 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 34 | 6 | 0.01 | 0 | 0.00 | Windows 9x |
| 35 | 4 | 0.01 | 2 | 0.08 | http://www.majestic12.co.uk/bot.php?+ |
| 36 | 4 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 37 | 2 | 0.00 | 2 | 0.08 | +http://glutenfreepleasure.com/ |
| 38 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 39 | 2 | 0.00 | 2 | 0.08 | +info@netcraft.com |
| 40 | 2 | 0.00 | 1 | 0.04 | +http://www.findxbot.com |
| 41 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 42 | 1 | 0.00 | 0 | 0.00 | Macintosh |
