| Used Operating Systems |
| 1 | 31986 | 66.97 | 380 | 19.68 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9310 | 19.49 | 104 | 5.39 | Windows NT |
| 3 | 3356 | 7.03 | 963 | 49.87 | +http://www.baidu.com/search/spider.html |
| 4 | 507 | 1.06 | 59 | 3.06 | +http://yandex.com/bots |
| 5 | 449 | 0.94 | 110 | 5.70 | +http://www.linkdex.com/bots/ |
| 6 | 395 | 0.83 | 151 | 7.82 | +http://www.google.com/bot.html |
| 7 | 324 | 0.68 | 46 | 2.38 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 278 | 0.58 | 15 | 0.78 | +http://www.bing.com/bingbot.htm |
| 9 | 190 | 0.40 | 0 | 0.00 | Windows 95 |
| 10 | 168 | 0.35 | 67 | 3.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 150 | 0.31 | 8 | 0.41 | +http://siteexplorer.info/ |
| 12 | 136 | 0.28 | 0 | 0.00 | Windows 98 |
| 13 | 81 | 0.17 | 0 | 0.00 | Crawler; +http://www.google.com/bot.html |
| 14 | 44 | 0.09 | 0 | 0.00 | Windows 3.1 |
| 15 | 43 | 0.09 | 3 | 0.16 | Windows XP |
| 16 | 42 | 0.09 | 0 | 0.00 | Windows CE |
| 17 | 38 | 0.08 | 0 | 0.00 | Windows 2000 |
| 18 | 32 | 0.07 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 19 | 32 | 0.07 | 10 | 0.52 | +http://www.exabot.com/go/robot |
| 20 | 26 | 0.05 | 2 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 21 | 26 | 0.05 | 2 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 22 | 25 | 0.05 | 1 | 0.05 | Auto; Windows |
| 23 | 22 | 0.05 | 0 | 0.00 | Windows ME |
| 24 | 20 | 0.04 | 0 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 25 | 20 | 0.04 | 10 | 0.52 | +http://napoveda.seznam.cz/en/seznambot-... |
| 26 | 15 | 0.03 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 13 | 0.03 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 28 | 8 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 29 | 6 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 30 | 5 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 31 | 4 | 0.01 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 32 | 4 | 0.01 | 0 | 0.00 | +http://www.warebay.com/bot.html |
| 33 | 4 | 0.01 | 0 | 0.00 | http://www.botje.com/plukkie.htm |
| 34 | 2 | 0.00 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 35 | 2 | 0.00 | 0 | 0.00 | +http://megaindex.com/crawler |
