| Used Operating Systems |
| 1 | 19570 | 36.51 | 207 | 1.76 | +http://www.semrush.com/bot.html |
| 2 | 12214 | 22.79 | 8475 | 71.90 | +http://ahrefs.com/robot/ |
| 3 | 8342 | 15.56 | 111 | 0.94 | http://mj12bot.com/ |
| 4 | 7217 | 13.46 | 488 | 4.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 2181 | 4.07 | 1328 | 11.27 | Windows NT |
| 6 | 1620 | 3.02 | 333 | 2.82 | +http://www.bing.com/bingbot.htm |
| 7 | 1026 | 1.91 | 435 | 3.69 | +http://www.baidu.com/search/spider.html |
| 8 | 545 | 1.02 | 144 | 1.22 | +http://www.linkdex.com/bots/ |
| 9 | 297 | 0.55 | 101 | 0.86 | +http://www.google.com/bot.html |
| 10 | 196 | 0.37 | 44 | 0.37 | +http://yandex.com/bots |
| 11 | 145 | 0.27 | 15 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 59 | 0.11 | 55 | 0.47 | +http://www.uptime.com/uptimebot |
| 13 | 51 | 0.10 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 14 | 43 | 0.08 | 12 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 16 | 0.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 16 | 12 | 0.02 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 10 | 0.02 | 2 | 0.02 | +http://www.exabot.com/go/robot |
| 18 | 7 | 0.01 | 7 | 0.06 | Windows 95 |
| 19 | 6 | 0.01 | 4 | 0.03 | +http://sur.ly/bot.html |
| 20 | 6 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 21 | 6 | 0.01 | 5 | 0.04 | Windows 98 |
| 22 | 6 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 23 | 4 | 0.01 | 2 | 0.02 | +http://duckduckgo.com |
| 24 | 3 | 0.01 | 2 | 0.02 | Windows ME |
| 25 | 3 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 26 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 27 | 2 | 0.00 | 2 | 0.02 | OpenBSD [unknown version] |
| 28 | 2 | 0.00 | 2 | 0.02 | Windows 2000 |
| 29 | 2 | 0.00 | 0 | 0.00 | Arch Linux 6.5 |
| 30 | 2 | 0.00 | 1 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 31 | 2 | 0.00 | 1 | 0.01 | +http://cliqz.com/company/cliqzbot |
| 32 | 2 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 33 | 2 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 34 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 35 | 1 | 0.00 | 0 | 0.00 | Debian Linux 2.8 |
