| Used Operating Systems |
| 1 | 44380 | 62.57 | 268 | 2.67 | http://mj12bot.com/ |
| 2 | 8431 | 11.89 | 4657 | 46.33 | +http://ahrefs.com/robot/ |
| 3 | 5281 | 7.45 | 1457 | 14.50 | Windows NT |
| 4 | 3328 | 4.69 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 2325 | 3.28 | 1927 | 19.17 | +http://www.baidu.com/search/spider.html |
| 6 | 1842 | 2.60 | 354 | 3.52 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1643 | 2.32 | 341 | 3.39 | +http://www.linkdex.com/bots/ |
| 8 | 1295 | 1.83 | 4 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 9 | 627 | 0.88 | 265 | 2.64 | +http://www.bing.com/bingbot.htm |
| 10 | 524 | 0.74 | 271 | 2.70 | +http://www.google.com/bot.html |
| 11 | 283 | 0.40 | 138 | 1.37 | Windows 95 |
| 12 | 241 | 0.34 | 57 | 0.57 | +http://yandex.com/bots |
| 13 | 192 | 0.27 | 16 | 0.16 | Windows 98 |
| 14 | 63 | 0.09 | 34 | 0.34 | Windows 3.1 |
| 15 | 62 | 0.09 | 25 | 0.25 | Windows ME |
| 16 | 57 | 0.08 | 42 | 0.42 | Auto; Windows |
| 17 | 56 | 0.08 | 40 | 0.40 | Windows CE |
| 18 | 55 | 0.08 | 4 | 0.04 | Windows XP |
| 19 | 53 | 0.07 | 40 | 0.40 | Windows 2000 |
| 20 | 52 | 0.07 | 34 | 0.34 | MSIE 5.5; Windows NT 5.0 |
| 21 | 52 | 0.07 | 35 | 0.35 | ) - BrowseX (2.0.0 Windows |
| 22 | 43 | 0.06 | 25 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 23 | 12 | 0.02 | 6 | 0.06 | +http://www.semrush.com/bot.html |
| 24 | 7 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 25 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 26 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 27 | 3 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 28 | 2 | 0.00 | 1 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 29 | 2 | 0.00 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 2 | 0.00 | 2 | 0.02 | +http://eripp.com |
| 32 | 2 | 0.00 | 2 | 0.02 | X11 |
| 33 | 1 | 0.00 | 1 | 0.01 | https://nmap.org/book/nse.html |
