| Used Operating Systems by Visits |
| 1 | 14906 | 10.99 | 10618 | 68.59 | +http://ahrefs.com/robot/ |
| 2 | 2561 | 1.89 | 2013 | 13.00 | +http://www.baidu.com/search/spider.html |
| 3 | 4293 | 3.16 | 780 | 5.04 | Windows NT |
| 4 | 10905 | 8.04 | 749 | 4.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 63072 | 46.50 | 367 | 2.37 | http://mj12bot.com/ |
| 6 | 27091 | 19.97 | 274 | 1.77 | +http://www.semrush.com/bot.html |
| 7 | 619 | 0.46 | 140 | 0.90 | +http://www.linkdex.com/bots/ |
| 8 | 271 | 0.20 | 118 | 0.76 | +http://www.google.com/bot.html |
| 9 | 315 | 0.23 | 78 | 0.50 | +http://www.bing.com/bingbot.htm |
| 10 | 298 | 0.22 | 74 | 0.48 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 206 | 0.15 | 54 | 0.35 | +http://yandex.com/bots |
| 12 | 181 | 0.13 | 35 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 53 | 0.04 | 32 | 0.21 | Windows 95 |
| 14 | 79 | 0.06 | 24 | 0.16 | Windows XP |
| 15 | 53 | 0.04 | 24 | 0.16 | Windows 98 |
| 16 | 50 | 0.04 | 13 | 0.08 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 16 | 0.01 | 12 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 18 | 58 | 0.04 | 11 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 8 | 0.01 | 8 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 20 | 9 | 0.01 | 7 | 0.05 | Windows 2000 |
| 21 | 13 | 0.01 | 7 | 0.05 | Auto; Windows |
| 22 | 9 | 0.01 | 6 | 0.04 | Windows CE |
| 23 | 9 | 0.01 | 5 | 0.03 | Windows ME |
| 24 | 3859 | 2.84 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 25 | 5 | 0.00 | 4 | 0.03 | Windows 3.1 |
| 26 | 36 | 0.03 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 27 | 5 | 0.00 | 3 | 0.02 | +http://sur.ly/bot.html |
| 28 | 4 | 0.00 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 29 | 6 | 0.00 | 3 | 0.02 | +http://www.exabot.com/go/robot |
| 30 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.5 |
| 31 | 4 | 0.00 | 2 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 32 | 4 | 0.00 | 2 | 0.01 | +http://www.findxbot.com |
| 33 | 4 | 0.00 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 34 | 2 | 0.00 | 1 | 0.01 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 35 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 36 | 6609 | 4.87 | 1 | 0.01 | +http://megaindex.com/crawler |
| 37 | 8 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 3 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 39 | 22 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
