| Used Operating Systems |
| 1 | 28022 | 33.75 | 16619 | 81.98 | +http://ahrefs.com/robot/ |
| 2 | 25260 | 30.42 | 117 | 0.58 | http://mj12bot.com/ |
| 3 | 11082 | 13.35 | 600 | 2.96 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 6794 | 8.18 | 2 | 0.01 | +http://megaindex.com/crawler |
| 5 | 4006 | 4.82 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 6 | 2067 | 2.49 | 1003 | 4.95 | Windows NT |
| 7 | 1564 | 1.88 | 310 | 1.53 | +http://www.linkdex.com/bots/ |
| 8 | 1225 | 1.48 | 965 | 4.76 | +http://www.baidu.com/search/spider.html |
| 9 | 1003 | 1.21 | 1 | 0.00 | http://crawler.007ac9.net/ |
| 10 | 847 | 1.02 | 321 | 1.58 | +http://www.google.com/bot.html |
| 11 | 622 | 0.75 | 153 | 0.75 | +http://www.bing.com/bingbot.htm |
| 12 | 270 | 0.33 | 92 | 0.45 | +http://yandex.com/bots |
| 13 | 55 | 0.07 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 14 | 46 | 0.06 | 4 | 0.02 | +http://www.semrush.com/bot.html |
| 15 | 42 | 0.05 | 41 | 0.20 | +http://www.uptime.com/uptimebot |
| 16 | 28 | 0.03 | 14 | 0.07 | +http://sur.ly/bot.html |
| 17 | 19 | 0.02 | 7 | 0.03 | Windows XP |
| 18 | 12 | 0.01 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 12 | 0.01 | 5 | 0.02 | Windows 95 |
| 20 | 10 | 0.01 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 21 | 8 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 22 | 6 | 0.01 | 2 | 0.01 | Auto; Windows |
| 23 | 6 | 0.01 | 1 | 0.00 | +info@netcraft.com |
| 24 | 6 | 0.01 | 2 | 0.01 | Windows 98 |
| 25 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 26 | 3 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 27 | 2 | 0.00 | 0 | 0.00 | +http://cliqz.com/company/cliqzbot |
| 28 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 29 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 |
| 30 | 1 | 0.00 | 1 | 0.00 | X11 |
| 31 | 1 | 0.00 | 1 | 0.00 | Windows ME |
