| Used Operating Systems |
| 1 | 63520 | 53.27 | 520 | 3.45 | +http://www.semrush.com/bot.html |
| 2 | 22481 | 18.85 | 164 | 1.09 | http://mj12bot.com/ |
| 3 | 13390 | 11.23 | 11016 | 73.02 | +http://ahrefs.com/robot/ |
| 4 | 9924 | 8.32 | 1059 | 7.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 3377 | 2.83 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 2148 | 1.80 | 1184 | 7.85 | Windows NT |
| 7 | 1432 | 1.20 | 328 | 2.17 | +http://www.linkdex.com/bots/ |
| 8 | 651 | 0.55 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 640 | 0.54 | 15 | 0.10 | Windows 98 |
| 10 | 473 | 0.40 | 187 | 1.24 | +http://www.google.com/bot.html |
| 11 | 401 | 0.34 | 92 | 0.61 | +http://yandex.com/bots |
| 12 | 337 | 0.28 | 208 | 1.38 | +http://www.bing.com/bingbot.htm |
| 13 | 310 | 0.26 | 236 | 1.56 | +http://www.baidu.com/search/spider.html |
| 14 | 53 | 0.04 | 23 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 23 | 0.02 | 22 | 0.15 | +http://www.uptime.com/uptimebot |
| 16 | 21 | 0.02 | 2 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 19 | 0.02 | 7 | 0.05 | +http://sur.ly/bot.html |
| 18 | 8 | 0.01 | 4 | 0.03 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 19 | 8 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 20 | 6 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 21 | 6 | 0.01 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 22 | 5 | 0.00 | 0 | 0.00 | Android |
| 23 | 3 | 0.00 | 3 | 0.02 | actually this is http://ismyblogworking.... |
| 24 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 25 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 26 | 2 | 0.00 | 2 | 0.01 | Windows 95 |
| 27 | 2 | 0.00 | 1 | 0.01 | X11 |
| 28 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 29 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 30 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |