| Used Operating Systems |
| 1 | 2301 | 24.04 | 1962 | 40.37 | +http://www.baidu.com/search/spider.html |
| 2 | 1129 | 11.79 | 559 | 11.50 | +http://www.google.com/bot.html |
| 3 | 956 | 9.99 | 280 | 5.76 | Windows NT |
| 4 | 871 | 9.10 | 49 | 1.01 | http://mj12bot.com/ |
| 5 | 765 | 7.99 | 222 | 4.57 | +http://www.bing.com/bingbot.htm |
| 6 | 605 | 6.32 | 31 | 0.64 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 408 | 4.26 | 101 | 2.08 | +http://www.linkdex.com/bots/ |
| 8 | 209 | 2.18 | 191 | 3.93 | Windows 2003 |
| 9 | 197 | 2.06 | 182 | 3.74 | Windows 2008 |
| 10 | 194 | 2.03 | 179 | 3.68 | Windows 2004 |
| 11 | 192 | 2.01 | 178 | 3.66 | Windows 9 |
| 12 | 191 | 2.00 | 174 | 3.58 | Windows 2002 |
| 13 | 186 | 1.94 | 175 | 3.60 | Windows 2007 |
| 14 | 184 | 1.92 | 162 | 3.33 | Windows 2006 |
| 15 | 183 | 1.91 | 165 | 3.40 | Windows 2005 |
| 16 | 130 | 1.36 | 21 | 0.43 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 113 | 1.18 | 39 | 0.80 | +http://yandex.com/bots |
| 18 | 111 | 1.16 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 94 | 0.98 | 30 | 0.62 | Windows XP |
| 20 | 59 | 0.62 | 22 | 0.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 48 | 0.50 | 4 | 0.08 | +http://webmeup-crawler.com/ |
| 22 | 42 | 0.44 | 8 | 0.16 | +http://siteexplorer.info/Backlink-Check... |
| 23 | 39 | 0.41 | 11 | 0.23 | Windows 95 |
| 24 | 36 | 0.38 | 4 | 0.08 | +http://www.seokicks.de/robot.html |
| 25 | 30 | 0.31 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 26 | 30 | 0.31 | 9 | 0.19 | Windows 98 |
| 27 | 29 | 0.30 | 16 | 0.33 | +http://ahrefs.com/robot/ |
| 28 | 24 | 0.25 | 5 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 29 | 22 | 0.23 | 2 | 0.04 | https://www.dataprovider.com/spider/ |
| 30 | 20 | 0.21 | 2 | 0.04 | +http://www.linkpad.ru |
| 31 | 19 | 0.20 | 8 | 0.16 | +http://www.exabot.com/go/robot |
| 32 | 18 | 0.19 | 5 | 0.10 | Auto; Windows |
| 33 | 15 | 0.16 | 5 | 0.10 | Windows ME |
| 34 | 12 | 0.13 | 5 | 0.10 | +https://deusu.de/robot.html |
| 35 | 11 | 0.11 | 9 | 0.19 | +info@netcraft.com |
| 36 | 10 | 0.10 | 1 | 0.02 | +http://megaindex.com/crawler |
| 37 | 9 | 0.09 | 1 | 0.02 | +http://t.co/GSRLLKex24; informatique at... |
| 38 | 9 | 0.09 | 3 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 39 | 8 | 0.08 | 4 | 0.08 | +https://www.mojeek.com/bot.html |
| 40 | 7 | 0.07 | 5 | 0.10 | +http://glutenfreepleasure.com/ |
| 41 | 6 | 0.06 | 2 | 0.04 | Windows 2000 |
| 42 | 6 | 0.06 | 1 | 0.02 | Windows 3.1 |
| 43 | 6 | 0.06 | 5 | 0.10 | +http://www.uptime.com/uptimebot |
| 44 | 5 | 0.05 | 3 | 0.06 | WinHttp.WinHttpRequest.5 |
| 45 | 4 | 0.04 | 4 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 46 | 4 | 0.04 | 2 | 0.04 | http://www.businessseek.biz/ |
| 47 | 4 | 0.04 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 48 | 4 | 0.04 | 1 | 0.02 | +http://ruki.rezko.net |
| 49 | 3 | 0.03 | 1 | 0.02 | Windows CE |
| 50 | 3 | 0.03 | 3 | 0.06 | http://nmap.org/book/nse.html |
| 51 | 3 | 0.03 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 52 | 2 | 0.02 | 1 | 0.02 | +http://www.scoutjet.com/ |
| 53 | 2 | 0.02 | 2 | 0.04 | FreeBSD [unknown version] |
| 54 | 1 | 0.01 | 0 | 0.00 | +http://www.warebay.com/bot.html |
| 55 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 56 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 57 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
