| Used Operating Systems |
| 1 | 4311 | 27.62 | 46 | 1.28 | http://mj12bot.com/ |
| 2 | 2998 | 19.21 | 2432 | 67.84 | +http://www.baidu.com/search/spider.html |
| 3 | 1523 | 9.76 | 14 | 0.39 | +http://www.warebay.com/bot.html |
| 4 | 1214 | 7.78 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 5 | 766 | 4.91 | 6 | 0.17 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 623 | 3.99 | 190 | 5.30 | +http://www.bing.com/bingbot.htm |
| 7 | 610 | 3.91 | 71 | 1.98 | +http://napoveda.seznam.cz/en/seznambot-... |
| 8 | 586 | 3.75 | 10 | 0.28 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 558 | 3.58 | 423 | 11.80 | +http://www.google.com/bot.html |
| 10 | 529 | 3.39 | 192 | 5.36 | Windows NT |
| 11 | 522 | 3.34 | 86 | 2.40 | +http://ahrefs.com/robot/ |
| 12 | 300 | 1.92 | 4 | 0.11 | +http://www.semrush.com/bot.html |
| 13 | 296 | 1.90 | 43 | 1.20 | +http://yandex.com/bots |
| 14 | 222 | 1.42 | 3 | 0.08 | Linux i686 [unknown version] |
| 15 | 204 | 1.31 | 2 | 0.06 | Linux [unknown version] |
| 16 | 70 | 0.45 | 4 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 63 | 0.40 | 1 | 0.03 | Linux i586 [unknown version] |
| 18 | 56 | 0.36 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 19 | 42 | 0.27 | 13 | 0.36 | Windows XP |
| 20 | 24 | 0.15 | 4 | 0.11 | +http://www.exabot.com/go/robot |
| 21 | 18 | 0.12 | 7 | 0.20 | Windows 95 |
| 22 | 17 | 0.11 | 7 | 0.20 | Windows 2000 |
| 23 | 10 | 0.06 | 2 | 0.06 | Windows 98 |
| 24 | 9 | 0.06 | 3 | 0.08 | Auto; Windows |
| 25 | 8 | 0.05 | 2 | 0.06 | http://nmap.org/book/nse.html |
| 26 | 6 | 0.04 | 2 | 0.06 | Windows ME |
| 27 | 6 | 0.04 | 3 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 28 | 4 | 0.03 | 2 | 0.06 | Windows CE |
| 29 | 4 | 0.03 | 4 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 30 | 3 | 0.02 | 1 | 0.03 | Windows 3.1 |
| 31 | 3 | 0.02 | 2 | 0.06 | +info@netcraft.com |
| 32 | 2 | 0.01 | 1 | 0.03 | +spider@seoscanners.net |
| 33 | 1 | 0.01 | 1 | 0.03 | X11 |
