| Used Operating Systems |
| 1 | 40027 | 49.92 | 538 | 4.02 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12494 | 15.58 | 7412 | 55.40 | +http://ahrefs.com/robot/ |
| 3 | 8485 | 10.58 | 880 | 6.58 | Windows NT |
| 4 | 6808 | 8.49 | 3393 | 25.36 | +http://www.baidu.com/search/spider.html |
| 5 | 4940 | 6.16 | 194 | 1.45 | +http://yandex.com/bots |
| 6 | 2338 | 2.92 | 6 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 7 | 1089 | 1.36 | 264 | 1.97 | +http://www.bing.com/bingbot.htm |
| 8 | 902 | 1.12 | 225 | 1.68 | +http://www.linkdex.com/bots/ |
| 9 | 750 | 0.94 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 10 | 666 | 0.83 | 165 | 1.23 | +http://www.google.com/bot.html |
| 11 | 460 | 0.57 | 62 | 0.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 280 | 0.35 | 8 | 0.06 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 108 | 0.13 | 53 | 0.40 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 108 | 0.13 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 15 | 107 | 0.13 | 44 | 0.33 | Windows 95 |
| 16 | 83 | 0.10 | 26 | 0.19 | +http://www.exabot.com/go/robot |
| 17 | 54 | 0.07 | 6 | 0.04 | +http://www.seokicks.de/robot.html |
| 18 | 48 | 0.06 | 0 | 0.00 | Windows 92 |
| 19 | 48 | 0.06 | 16 | 0.12 | Windows 98 |
| 20 | 46 | 0.06 | 10 | 0.07 | Windows 3.1 |
| 21 | 45 | 0.06 | 18 | 0.13 | Windows XP |
| 22 | 41 | 0.05 | 7 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 23 | 32 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/ |
| 24 | 26 | 0.03 | 0 | 0.00 | +http://www.profound.net/domainappender |
| 25 | 25 | 0.03 | 3 | 0.02 | Windows ME |
| 26 | 24 | 0.03 | 6 | 0.04 | Windows 2000 |
| 27 | 22 | 0.03 | 6 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 28 | 21 | 0.03 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 29 | 15 | 0.02 | 13 | 0.10 | +http://www.uptime.com/uptimebot |
| 30 | 12 | 0.01 | 7 | 0.05 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 31 | 12 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 32 | 10 | 0.01 | 0 | 0.00 | http://webagent.wise-guys.nl/; http://ww... |
| 33 | 8 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 34 | 7 | 0.01 | 5 | 0.04 | +http://sur.ly/bot.html |
| 35 | 6 | 0.01 | 2 | 0.01 | Windows CE |
| 36 | 6 | 0.01 | 0 | 0.00 | +http://janforman.com/ |
| 37 | 6 | 0.01 | 6 | 0.04 | Auto; Windows |
| 38 | 6 | 0.01 | 0 | 0.00 | +http://www.idmarch.org/bot.html |
| 39 | 4 | 0.00 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 40 | 4 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 41 | 3 | 0.00 | 1 | 0.01 | MSIE 6.0; Windows NT 5.1 |
| 42 | 3 | 0.00 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 43 | 2 | 0.00 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 44 | 2 | 0.00 | 0 | 0.00 | AmigaOS 1.3 |
