| Used Operating Systems by Visits |
| 1 | 3628 | 16.71 | 2745 | 61.30 | +http://www.baidu.com/search/spider.html |
| 2 | 702 | 3.23 | 338 | 7.55 | +http://www.google.com/bot.html |
| 3 | 13549 | 62.41 | 314 | 7.01 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1156 | 5.32 | 269 | 6.01 | +http://www.bing.com/bingbot.htm |
| 5 | 735 | 3.39 | 184 | 4.11 | Windows NT |
| 6 | 249 | 1.15 | 118 | 2.64 | +http://www.uptime.com/uptimebot |
| 7 | 391 | 1.80 | 107 | 2.39 | +http://www.linkdex.com/bots/ |
| 8 | 251 | 1.16 | 106 | 2.37 | +http://yandex.com/bots |
| 9 | 119 | 0.55 | 44 | 0.98 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 251 | 1.16 | 38 | 0.85 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 40 | 0.18 | 25 | 0.56 | +http://www.semrush.com/bot.html |
| 12 | 80 | 0.37 | 22 | 0.49 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 32 | 0.15 | 16 | 0.36 | +http://ahrefs.com/robot/ |
| 14 | 32 | 0.15 | 10 | 0.22 | Windows XP |
| 15 | 10 | 0.05 | 10 | 0.22 | Windows 9 |
| 16 | 10 | 0.05 | 9 | 0.20 | Windows 2006 |
| 17 | 20 | 0.09 | 9 | 0.20 | +http://www.exabot.com/go/robot |
| 18 | 9 | 0.04 | 8 | 0.18 | Windows 2005 |
| 19 | 7 | 0.03 | 7 | 0.16 | +http://pmoz.info/doc/botinfo.htm |
| 20 | 8 | 0.04 | 7 | 0.16 | +http://glutenfreepleasure.com/ |
| 21 | 67 | 0.31 | 7 | 0.16 | +http://www.seokicks.de/robot.html |
| 22 | 6 | 0.03 | 6 | 0.13 | Windows 2003 |
| 23 | 6 | 0.03 | 6 | 0.13 | Windows 2002 |
| 24 | 5 | 0.02 | 5 | 0.11 | Windows 2004 |
| 25 | 10 | 0.05 | 5 | 0.11 | +https://deusu.de/robot.html |
| 26 | 27 | 0.12 | 5 | 0.11 | Windows 95 |
| 27 | 39 | 0.18 | 5 | 0.11 | +http://webmeup-crawler.com/ |
| 28 | 18 | 0.08 | 5 | 0.11 | Windows 98 |
| 29 | 4 | 0.02 | 4 | 0.09 | Windows 2008 |
| 30 | 14 | 0.06 | 4 | 0.09 | +http://sur.ly/bot.html |
| 31 | 40 | 0.18 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 32 | 6 | 0.03 | 4 | 0.09 | +info@netcraft.com |
| 33 | 8 | 0.04 | 4 | 0.09 | +http://duckduckgo.com |
| 34 | 6 | 0.03 | 3 | 0.07 | +http://www.scoutjet.com/ |
| 35 | 3 | 0.01 | 3 | 0.07 | Windows 2007 |
| 36 | 9 | 0.04 | 3 | 0.07 | Windows 3.1 |
| 37 | 9 | 0.04 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 38 | 6 | 0.03 | 2 | 0.04 | Auto; Windows |
| 39 | 10 | 0.05 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 40 | 6 | 0.03 | 2 | 0.04 | Windows ME |
| 41 | 20 | 0.09 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 42 | 16 | 0.07 | 2 | 0.04 | +http://siteexplorer.info/ |
| 43 | 3 | 0.01 | 1 | 0.02 | Windows CE |
| 44 | 3 | 0.01 | 1 | 0.02 | Windows 2000 |
| 45 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 46 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 47 | 9 | 0.04 | 1 | 0.02 | +http://vk.com/dev/Share |
| 48 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 49 | 4 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 50 | 41 | 0.19 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 51 | 34 | 0.16 | 0 | 0.00 | +spider@seoscanners.net |
