| Used Operating Systems |
| 1 | 31601 | 78.46 | 420 | 10.43 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2797 | 6.94 | 2242 | 55.67 | +http://www.baidu.com/search/spider.html |
| 3 | 2329 | 5.78 | 542 | 13.46 | +http://www.google.com/bot.html |
| 4 | 1872 | 4.65 | 163 | 4.05 | +http://yandex.com/bots |
| 5 | 747 | 1.85 | 388 | 9.63 | +http://www.bing.com/bingbot.htm |
| 6 | 463 | 1.15 | 121 | 3.00 | Windows NT |
| 7 | 145 | 0.36 | 48 | 1.19 | +http://www.semrush.com/bot.html |
| 8 | 46 | 0.11 | 24 | 0.60 | +http://ahrefs.com/robot/ |
| 9 | 46 | 0.11 | 23 | 0.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 44 | 0.11 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 11 | 34 | 0.08 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 31 | 0.08 | 1 | 0.02 | +http://www.linkpad.ru |
| 13 | 22 | 0.05 | 4 | 0.10 | +http://siteexplorer.info/ |
| 14 | 15 | 0.04 | 3 | 0.07 | http://filterdb.iss.net/crawler/ |
| 15 | 14 | 0.03 | 13 | 0.32 | Windows XP |
| 16 | 13 | 0.03 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 17 | 10 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 18 | 6 | 0.01 | 2 | 0.05 | +spider@seoscanners.net |
| 19 | 6 | 0.01 | 3 | 0.07 | +http://www.exabot.com/go/robot |
| 20 | 5 | 0.01 | 4 | 0.10 | Windows 98 |
| 21 | 4 | 0.01 | 2 | 0.05 | http://www.botje.com/plukkie.htm |
| 22 | 4 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 23 | 4 | 0.01 | 2 | 0.05 | +http://www.uptime.com/uptimebot |
| 24 | 3 | 0.01 | 3 | 0.07 | Windows 3.1 |
| 25 | 3 | 0.01 | 3 | 0.07 | Windows 95 |
| 26 | 2 | 0.00 | 2 | 0.05 | Windows 2000 |
| 27 | 2 | 0.00 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 28 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 29 | 2 | 0.00 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 30 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 31 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 32 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
