| Used Operating Systems |
| 1 | 31285 | 35.00 | 15944 | 73.31 | +http://ahrefs.com/robot/ |
| 2 | 21465 | 24.01 | 222 | 1.02 | http://mj12bot.com/ |
| 3 | 13318 | 14.90 | 2 | 0.01 | +http://megaindex.com/crawler |
| 4 | 7587 | 8.49 | 1325 | 6.09 | Windows NT |
| 5 | 5369 | 6.01 | 282 | 1.30 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 3907 | 4.37 | 2593 | 11.92 | +http://www.baidu.com/search/spider.html |
| 7 | 2105 | 2.35 | 439 | 2.02 | +http://www.linkdex.com/bots/ |
| 8 | 1131 | 1.27 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 1011 | 1.13 | 199 | 0.91 | +http://yandex.com/bots |
| 10 | 647 | 0.72 | 302 | 1.39 | +http://www.google.com/bot.html |
| 11 | 441 | 0.49 | 166 | 0.76 | +http://www.bing.com/bingbot.htm |
| 12 | 236 | 0.26 | 0 | 0.00 | Linux [unknown version] |
| 13 | 213 | 0.24 | 22 | 0.10 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 14 | 132 | 0.15 | 37 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 107 | 0.12 | 32 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 100 | 0.11 | 10 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 17 | 56 | 0.06 | 4 | 0.02 | +http://sur.ly/bot.html |
| 18 | 56 | 0.06 | 46 | 0.21 | +http://megogoserial.ru |
| 19 | 49 | 0.05 | 40 | 0.18 | +http://tiod.ru |
| 20 | 47 | 0.05 | 6 | 0.03 | +http://www.semrush.com/bot.html |
| 21 | 41 | 0.05 | 39 | 0.18 | +http://www.uptime.com/uptimebot |
| 22 | 31 | 0.03 | 12 | 0.06 | +http://www.exabot.com/go/robot |
| 23 | 14 | 0.02 | 0 | 0.00 | +http://www.findxbot.com |
| 24 | 10 | 0.01 | 10 | 0.05 | actually this is http://ismyblogworking.... |
| 25 | 8 | 0.01 | 7 | 0.03 | +info@netcraft.com |
| 26 | 6 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 27 | 6 | 0.01 | 1 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 29 | 2 | 0.00 | 2 | 0.01 | +http://www.radio.pervii.com/bot.htm |
| 30 | 2 | 0.00 | 1 | 0.00 | +http://duckduckgo.com |
| 31 | 1 | 0.00 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 32 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 33 | 1 | 0.00 | 1 | 0.00 | X11 |
| 34 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
