| Used Operating Systems |
| 1 | 16881 | 28.06 | 626 | 5.57 | +http://yandex.com/bots |
| 2 | 12704 | 21.11 | 6239 | 55.55 | +http://ahrefs.com/robot/ |
| 3 | 11108 | 18.46 | 170 | 1.51 | http://mj12bot.com/ |
| 4 | 6956 | 11.56 | 1109 | 9.87 | Windows NT |
| 5 | 4062 | 6.75 | 37 | 0.33 | +http://www.semrush.com/bot.html |
| 6 | 1946 | 3.23 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 1835 | 3.05 | 1716 | 15.28 | +http://www.baidu.com/search/spider.html |
| 8 | 940 | 1.56 | 72 | 0.64 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 792 | 1.32 | 427 | 3.80 | +http://www.google.com/bot.html |
| 10 | 784 | 1.30 | 220 | 1.96 | +http://www.bing.com/bingbot.htm |
| 11 | 518 | 0.86 | 3 | 0.03 | +http://www.warebay.com/bot.html |
| 12 | 317 | 0.53 | 101 | 0.90 | +http://www.linkdex.com/bots/ |
| 13 | 211 | 0.35 | 10 | 0.09 | +http://siteexplorer.info/Backlink-Check... |
| 14 | 203 | 0.34 | 114 | 1.01 | Windows 95 |
| 15 | 181 | 0.30 | 55 | 0.49 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 152 | 0.25 | 5 | 0.04 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 124 | 0.21 | 70 | 0.62 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 64 | 0.11 | 19 | 0.17 | Windows XP |
| 19 | 64 | 0.11 | 63 | 0.56 | +http://www.uptime.com/uptimebot |
| 20 | 61 | 0.10 | 19 | 0.17 | Windows 98 |
| 21 | 38 | 0.06 | 2 | 0.02 | +http://www.linkpad.ru |
| 22 | 33 | 0.05 | 21 | 0.19 | Windows ME |
| 23 | 29 | 0.05 | 25 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 24 | 20 | 0.03 | 13 | 0.12 | Windows CE |
| 25 | 20 | 0.03 | 14 | 0.12 | Windows 2000 |
| 26 | 16 | 0.03 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 27 | 15 | 0.02 | 14 | 0.12 | Auto; Windows |
| 28 | 15 | 0.02 | 14 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 29 | 13 | 0.02 | 11 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 30 | 12 | 0.02 | 5 | 0.04 | +https://deusu.de/robot.html |
| 31 | 10 | 0.02 | 5 | 0.04 | +http://duckduckgo.com |
| 32 | 9 | 0.01 | 7 | 0.06 | Windows 3.1 |
| 33 | 8 | 0.01 | 4 | 0.04 | +http://www.exabot.com/go/robot |
| 34 | 8 | 0.01 | 4 | 0.04 | +http://help.coccoc.com/searchengine |
| 35 | 7 | 0.01 | 5 | 0.04 | +http://sur.ly/bot.html |
| 36 | 4 | 0.01 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 37 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 38 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 39 | 1 | 0.00 | 1 | 0.01 | Macintosh PPC |
| 40 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 1 | 0.01 | X11 |
| 42 | 1 | 0.00 | 1 | 0.01 | Android 2.3.4 |
| 43 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
