| Used Operating Systems |
| 1 | 33650 | 62.03 | 298 | 7.05 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5661 | 10.44 | 6 | 0.14 | +http://OpenLinkProfiler.org/bot |
| 3 | 4353 | 8.02 | 33 | 0.78 | +http://www.warebay.com/bot.html |
| 4 | 3667 | 6.76 | 390 | 9.23 | +http://yandex.com/bots |
| 5 | 2440 | 4.50 | 1363 | 32.26 | Windows NT |
| 6 | 1667 | 3.07 | 690 | 16.33 | +http://www.google.com/bot.html |
| 7 | 740 | 1.36 | 637 | 15.08 | +http://www.baidu.com/search/spider.html |
| 8 | 627 | 1.16 | 293 | 6.93 | +http://ahrefs.com/robot/ |
| 9 | 366 | 0.67 | 10 | 0.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 348 | 0.64 | 247 | 5.85 | +http://www.bing.com/bingbot.htm |
| 11 | 201 | 0.37 | 1 | 0.02 | +http://megaindex.com/crawler |
| 12 | 171 | 0.32 | 53 | 1.25 | +http://www.linkdex.com/bots/ |
| 13 | 75 | 0.14 | 35 | 0.83 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 62 | 0.11 | 35 | 0.83 | +http://www.exabot.com/go/robot |
| 15 | 58 | 0.11 | 29 | 0.69 | +http://duckduckgo.com |
| 16 | 51 | 0.09 | 38 | 0.90 | Windows 95 |
| 17 | 12 | 0.02 | 10 | 0.24 | MSIE 5.5; Windows NT 5.0 |
| 18 | 12 | 0.02 | 6 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 11 | 0.02 | 5 | 0.12 | Windows 98 |
| 20 | 10 | 0.02 | 9 | 0.21 | Windows ME |
| 21 | 8 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 22 | 7 | 0.01 | 1 | 0.02 | crawler@mixrank.com |
| 23 | 7 | 0.01 | 1 | 0.02 | Windows XP |
| 24 | 7 | 0.01 | 7 | 0.17 | Windows 3.1 |
| 25 | 5 | 0.01 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 5 | 0.01 | 5 | 0.12 | +http://www.domaintuno.com/robot |
| 27 | 4 | 0.01 | 4 | 0.09 | Windows 2000 |
| 28 | 4 | 0.01 | 4 | 0.09 | Linux [unknown version] |
| 29 | 3 | 0.01 | 3 | 0.07 | Windows CE |
| 30 | 3 | 0.01 | 1 | 0.02 | +http://gimmeusa-update.com/crawler |
| 31 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 32 | 3 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.00 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.00 | 2 | 0.05 | Linux i686 [unknown version] |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 36 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020515 |
| 37 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 38 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
