| Used Operating Systems |
| 1 | 6285 | 55.08 | 445 | 27.83 | +http://www.bing.com/bingbot.htm |
| 2 | 1095 | 9.60 | 206 | 12.88 | +http://yandex.com/bots |
| 3 | 1067 | 9.35 | 169 | 10.57 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 709 | 6.21 | 149 | 9.32 | +http://www.semrush.com/bot.html |
| 5 | 561 | 4.92 | 229 | 14.32 | +http://ahrefs.com/robot/ |
| 6 | 485 | 4.25 | 178 | 11.13 | +http://www.google.com/bot.html |
| 7 | 420 | 3.68 | 39 | 2.44 | http://mj12bot.com/ |
| 8 | 333 | 2.92 | 68 | 4.25 | Windows NT |
| 9 | 101 | 0.89 | 3 | 0.19 | Linux i586 [unknown version] |
| 10 | 80 | 0.70 | 78 | 4.88 | +http://www.uptime.com/uptimebot |
| 11 | 58 | 0.51 | 2 | 0.13 | +http://www.seokicks.de/robot.html |
| 12 | 34 | 0.30 | 1 | 0.06 | +http://megaindex.com/crawler |
| 13 | 32 | 0.28 | 2 | 0.13 | MSIE 5.5; Windows NT 5.1 |
| 14 | 28 | 0.25 | 2 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 20 | 0.18 | 2 | 0.13 | http://filterdb.iss.net/crawler/ |
| 16 | 18 | 0.16 | 3 | 0.19 | +http://www.pinterest.com/bot.html |
| 17 | 12 | 0.11 | 4 | 0.25 | +http://www.exabot.com/go/robot |
| 18 | 12 | 0.11 | 1 | 0.06 | +http://www.baidu.com/search/spider.html |
| 19 | 11 | 0.10 | 4 | 0.25 | +info@netcraft.com |
| 20 | 10 | 0.09 | 3 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 10 | 0.09 | 2 | 0.13 | +http://www.linkdex.com/bots/ |
| 22 | 8 | 0.07 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 23 | 6 | 0.05 | 3 | 0.19 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 24 | 6 | 0.05 | 2 | 0.13 | +http://www.grapeshot.co.uk/crawler.php |
| 25 | 4 | 0.04 | 0 | 0.00 | +http://www.tineye.com/crawler.html |
| 26 | 4 | 0.04 | 2 | 0.13 | Wayback Machine Live Record; +http://arc... |
| 27 | 2 | 0.02 | 2 | 0.13 | Intel Mac OS X 10.4 |
