| Used Operating Systems |
| 1 | 15124 | 68.89 | 146 | 3.80 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3861 | 17.59 | 2691 | 70.02 | +http://www.baidu.com/search/spider.html |
| 3 | 832 | 3.79 | 265 | 6.90 | +http://www.bing.com/bingbot.htm |
| 4 | 682 | 3.11 | 166 | 4.32 | Windows NT |
| 5 | 472 | 2.15 | 237 | 6.17 | +http://www.google.com/bot.html |
| 6 | 286 | 1.30 | 72 | 1.87 | +http://www.linkdex.com/bots/ |
| 7 | 131 | 0.60 | 62 | 1.61 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 125 | 0.57 | 50 | 1.30 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 64 | 0.29 | 14 | 0.36 | +http://yandex.com/bots |
| 10 | 40 | 0.18 | 25 | 0.65 | +http://ahrefs.com/robot/ |
| 11 | 38 | 0.17 | 15 | 0.39 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 35 | 0.16 | 4 | 0.10 | +http://fulltext.sblog.cz/ |
| 13 | 34 | 0.15 | 12 | 0.31 | +http://www.semrush.com/bot.html |
| 14 | 25 | 0.11 | 12 | 0.31 | +http://help.coccoc.com/ |
| 15 | 20 | 0.09 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 16 | 20 | 0.09 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 17 | 20 | 0.09 | 2 | 0.05 | +http://megaindex.com/crawler |
| 18 | 18 | 0.08 | 6 | 0.16 | Windows XP |
| 19 | 14 | 0.06 | 2 | 0.05 | WinHttp.WinHttpRequest.5 |
| 20 | 12 | 0.05 | 6 | 0.16 | +http://www.exabot.com/go/robot |
| 21 | 11 | 0.05 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 22 | 10 | 0.05 | 1 | 0.03 | +http://www.apple.com/go/applebot |
| 23 | 8 | 0.04 | 8 | 0.21 | not on Windows server; |
| 24 | 8 | 0.04 | 4 | 0.10 | Windows 95 |
| 25 | 6 | 0.03 | 1 | 0.03 | +http://www.seokicks.de/robot.html |
| 26 | 6 | 0.03 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 27 | 5 | 0.02 | 5 | 0.13 | +http://pmoz.info/doc/botinfo.htm |
| 28 | 4 | 0.02 | 4 | 0.10 | Linux [unknown version] |
| 29 | 4 | 0.02 | 2 | 0.05 | +https://www.mojeek.com/bot.html |
| 30 | 4 | 0.02 | 3 | 0.08 | +http://www.xovibot.net/ |
| 31 | 4 | 0.02 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 4 | 0.02 | 2 | 0.05 | +http://duckduckgo.com |
| 33 | 3 | 0.01 | 1 | 0.03 | Auto; Windows |
| 34 | 3 | 0.01 | 3 | 0.08 | +http://www.domaintuno.com/robot |
| 35 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 36 | 3 | 0.01 | 1 | 0.03 | +http://prlog.ru/ |
| 37 | 3 | 0.01 | 2 | 0.05 | Windows 98 |
| 38 | 3 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 2 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 40 | 2 | 0.01 | 1 | 0.03 | +http://crawler.seolytics.net/ |
| 41 | 2 | 0.01 | 2 | 0.05 | Linux i686 [unknown version] |
| 42 | 2 | 0.01 | 1 | 0.03 | +http://www.bigbozz.com/ |
| 43 | 1 | 0.00 | 1 | 0.03 | +http://glutenfreepleasure.com/ |
