| Used Operating Systems |
| 1 | 27575 | 34.57 | 22849 | 80.10 | +http://ahrefs.com/robot/ |
| 2 | 19436 | 24.36 | 200 | 0.70 | http://mj12bot.com/ |
| 3 | 15310 | 19.19 | 656 | 2.30 | +http://yandex.com/bots |
| 4 | 6168 | 7.73 | 640 | 2.24 | Windows NT |
| 5 | 3836 | 4.81 | 3180 | 11.15 | +http://www.baidu.com/search/spider.html |
| 6 | 2770 | 3.47 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 1030 | 1.29 | 276 | 0.97 | +http://www.linkdex.com/bots/ |
| 8 | 901 | 1.13 | 335 | 1.17 | +http://www.google.com/bot.html |
| 9 | 773 | 0.97 | 5 | 0.02 | +http://siteexplorer.info/Backlink-Check... |
| 10 | 599 | 0.75 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 258 | 0.32 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 12 | 250 | 0.31 | 1 | 0.00 | Linux [unknown version] |
| 13 | 214 | 0.27 | 131 | 0.46 | +http://www.bing.com/bingbot.htm |
| 14 | 143 | 0.18 | 68 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 95 | 0.12 | 21 | 0.07 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 71 | 0.09 | 22 | 0.08 | Windows 95 |
| 17 | 60 | 0.08 | 56 | 0.20 | +http://www.uptime.com/uptimebot |
| 18 | 46 | 0.06 | 12 | 0.04 | Windows XP |
| 19 | 35 | 0.04 | 9 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 34 | 0.04 | 7 | 0.02 | Windows 98 |
| 21 | 27 | 0.03 | 3 | 0.01 | +http://www.seokicks.de/robot.html |
| 22 | 24 | 0.03 | 10 | 0.04 | +http://www.exabot.com/go/robot |
| 23 | 14 | 0.02 | 3 | 0.01 | Windows ME |
| 24 | 13 | 0.02 | 3 | 0.01 | Windows 3.1 |
| 25 | 12 | 0.02 | 4 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 26 | 12 | 0.02 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 27 | 11 | 0.01 | 2 | 0.01 | http://www.botje.com/plukkie.htm |
| 28 | 11 | 0.01 | 3 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 29 | 9 | 0.01 | 4 | 0.01 | Windows 2000 |
| 30 | 8 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 31 | 6 | 0.01 | 3 | 0.01 | Windows CE |
| 32 | 6 | 0.01 | 5 | 0.02 | +info@netcraft.com |
| 33 | 5 | 0.01 | 3 | 0.01 | +http://sur.ly/bot.html |
| 34 | 5 | 0.01 | 2 | 0.01 | Auto; Windows |
| 35 | 4 | 0.01 | 1 | 0.00 | Linux i686 [unknown version] |
| 36 | 2 | 0.00 | 1 | 0.00 | support.orangebot@orange.com |
| 37 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
