| Used Operating Systems |
| 1 | 2737 | 21.31 | 399 | 11.78 | Windows NT |
| 2 | 2627 | 20.46 | 1967 | 58.06 | +http://www.baidu.com/search/spider.html |
| 3 | 1939 | 15.10 | 472 | 13.93 | +http://www.google.com/bot.html |
| 4 | 1717 | 13.37 | 36 | 1.06 | http://mj12bot.com/ |
| 5 | 1672 | 13.02 | 38 | 1.12 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 613 | 4.77 | 145 | 4.28 | +http://www.bing.com/bingbot.htm |
| 7 | 474 | 3.69 | 130 | 3.84 | +http://www.linkdex.com/bots/ |
| 8 | 355 | 2.76 | 28 | 0.83 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 217 | 1.69 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 10 | 103 | 0.80 | 48 | 1.42 | +http://yandex.com/bots |
| 11 | 86 | 0.67 | 41 | 1.21 | +http://duckduckgo.com |
| 12 | 52 | 0.40 | 9 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 37 | 0.29 | 2 | 0.06 | Android |
| 14 | 26 | 0.20 | 11 | 0.32 | +http://ahrefs.com/robot/ |
| 15 | 25 | 0.19 | 5 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 16 | 24 | 0.19 | 6 | 0.18 | +http://www.seokicks.de/robot.html |
| 17 | 13 | 0.10 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 18 | 12 | 0.09 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 19 | 12 | 0.09 | 2 | 0.06 | +https://www.dataprovider.com/ |
| 20 | 11 | 0.09 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 10 | 0.08 | 3 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 9 | 0.07 | 9 | 0.27 | Windows 95 |
| 23 | 8 | 0.06 | 5 | 0.15 | Windows 98 |
| 24 | 6 | 0.05 | 0 | 0.00 | support.orangebot@orange.com |
| 25 | 6 | 0.05 | 0 | 0.00 | Windows Phone |
| 26 | 6 | 0.05 | 4 | 0.12 | +info@netcraft.com |
| 27 | 5 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 4 | 0.03 | 4 | 0.12 | Windows 2000 |
| 29 | 4 | 0.03 | 2 | 0.06 | +https://deusu.de/robot.html |
| 30 | 4 | 0.03 | 2 | 0.06 | +http://www.netseer.com/crawler.html; cr... |
| 31 | 4 | 0.03 | 4 | 0.12 | Windows XP |
| 32 | 4 | 0.03 | 4 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.03 | 0 | 0.00 | Linux i686 [unknown version] |
| 34 | 4 | 0.03 | 2 | 0.06 | Windows 9x |
| 35 | 3 | 0.02 | 3 | 0.09 | Windows CE |
| 36 | 3 | 0.02 | 3 | 0.09 | http://nmap.org/book/nse.html |
| 37 | 2 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 38 | 2 | 0.02 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 39 | 1 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 40 | 1 | 0.01 | 1 | 0.03 | Windows 3.1 |
