| Used Operating Systems |
| 1 | 15576 | 27.24 | 141 | 2.57 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 14722 | 25.75 | 441 | 8.04 | +http://yandex.com/bots |
| 3 | 10025 | 17.53 | 960 | 17.51 | Windows NT |
| 4 | 4841 | 8.47 | 33 | 0.60 | http://mj12bot.com/ |
| 5 | 3483 | 6.09 | 540 | 9.85 | +http://www.google.com/bot.html |
| 6 | 3326 | 5.82 | 1968 | 35.90 | +http://www.baidu.com/search/spider.html |
| 7 | 2393 | 4.19 | 440 | 8.03 | +http://www.bing.com/bingbot.htm |
| 8 | 491 | 0.86 | 118 | 2.15 | +http://www.linkdex.com/bots/ |
| 9 | 347 | 0.61 | 3 | 0.05 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 228 | 0.40 | 27 | 0.49 | +http://www.semrush.com/bot.html |
| 11 | 221 | 0.39 | 25 | 0.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 181 | 0.32 | 44 | 0.80 | +http://ahrefs.com/robot/ |
| 13 | 173 | 0.30 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 14 | 130 | 0.23 | 25 | 0.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 82 | 0.14 | 28 | 0.51 | Windows XP |
| 16 | 81 | 0.14 | 76 | 1.39 | Windows 2005 |
| 17 | 80 | 0.14 | 73 | 1.33 | Windows 2008 |
| 18 | 79 | 0.14 | 77 | 1.40 | Windows 2002 |
| 19 | 77 | 0.13 | 73 | 1.33 | Windows 2004 |
| 20 | 77 | 0.13 | 73 | 1.33 | Windows 2006 |
| 21 | 66 | 0.12 | 62 | 1.13 | Windows 2003 |
| 22 | 65 | 0.11 | 61 | 1.11 | Windows 2007 |
| 23 | 64 | 0.11 | 62 | 1.13 | Windows 9 |
| 24 | 39 | 0.07 | 12 | 0.22 | +http://www.exabot.com/go/robot |
| 25 | 34 | 0.06 | 14 | 0.26 | Windows 95 |
| 26 | 32 | 0.06 | 14 | 0.26 | Windows 98 |
| 27 | 28 | 0.05 | 14 | 0.26 | +http://duckduckgo.com |
| 28 | 24 | 0.04 | 3 | 0.05 | +http://www.seokicks.de/robot.html |
| 29 | 21 | 0.04 | 8 | 0.15 | +info@netcraft.com |
| 30 | 19 | 0.03 | 3 | 0.05 | Auto; Windows |
| 31 | 19 | 0.03 | 16 | 0.29 | +http://www.uptime.com/uptimebot |
| 32 | 18 | 0.03 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 33 | 17 | 0.03 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 34 | 16 | 0.03 | 4 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 35 | 15 | 0.03 | 5 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 36 | 12 | 0.02 | 4 | 0.07 | Windows ME |
| 37 | 9 | 0.02 | 3 | 0.05 | Windows 3.1 |
| 38 | 9 | 0.02 | 2 | 0.04 | +http://www.xovibot.net/ |
| 39 | 9 | 0.02 | 3 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 40 | 7 | 0.01 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 41 | 6 | 0.01 | 3 | 0.05 | +https://deusu.de/robot.html |
| 42 | 5 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 43 | 4 | 0.01 | 1 | 0.02 | Windows CE |
| 44 | 4 | 0.01 | 4 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 45 | 4 | 0.01 | 2 | 0.04 | Linux [unknown version] |
| 46 | 4 | 0.01 | 2 | 0.04 | http://yooz.ir; info@yooz.ir |
| 47 | 3 | 0.01 | 1 | 0.02 | Windows 2000 |
| 48 | 3 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 49 | 2 | 0.00 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 50 | 2 | 0.00 | 2 | 0.04 | +http://megaindex.com/crawler |
| 51 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 52 | 1 | 0.00 | 1 | 0.02 | crawler@mixrank.com |
| 53 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 54 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 55 | 1 | 0.00 | 1 | 0.02 | X11 |
