| Used Operating Systems |
| 1 | 16014 | 31.00 | 13643 | 69.99 | +http://ahrefs.com/robot/ |
| 2 | 11633 | 22.52 | 555 | 2.85 | +http://yandex.com/bots |
| 3 | 7889 | 15.27 | 53 | 0.27 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 7443 | 14.41 | 766 | 3.93 | Windows NT |
| 5 | 4222 | 8.17 | 3707 | 19.02 | +http://www.baidu.com/search/spider.html |
| 6 | 2550 | 4.94 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 600 | 1.16 | 188 | 0.96 | +http://www.linkdex.com/bots/ |
| 8 | 395 | 0.76 | 171 | 0.88 | +http://www.google.com/bot.html |
| 9 | 327 | 0.63 | 146 | 0.75 | +http://www.bing.com/bingbot.htm |
| 10 | 119 | 0.23 | 65 | 0.33 | +http://www.uptime.com/uptimebot |
| 11 | 100 | 0.19 | 43 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 87 | 0.17 | 45 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 57 | 0.11 | 10 | 0.05 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 52 | 0.10 | 21 | 0.11 | +http://www.semrush.com/bot.html |
| 15 | 36 | 0.07 | 4 | 0.02 | +http://www.seokicks.de/robot.html |
| 16 | 21 | 0.04 | 15 | 0.08 | Windows 98 |
| 17 | 19 | 0.04 | 5 | 0.03 | Windows 2000 |
| 18 | 14 | 0.03 | 7 | 0.04 | Windows XP |
| 19 | 14 | 0.03 | 14 | 0.07 | Windows 95 |
| 20 | 14 | 0.03 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 21 | 12 | 0.02 | 5 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 22 | 8 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 23 | 6 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 24 | 5 | 0.01 | 5 | 0.03 | Windows ME |
| 25 | 4 | 0.01 | 4 | 0.02 | Windows CE |
| 26 | 4 | 0.01 | 4 | 0.02 | X11 |
| 27 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 28 | 2 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 29 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 30 | 2 | 0.00 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 31 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 32 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 33 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 35 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
