| Used Operating Systems |
| 1 | 9669 | 59.73 | 138 | 3.70 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3583 | 22.13 | 2658 | 71.36 | +http://www.baidu.com/search/spider.html |
| 3 | 1137 | 7.02 | 207 | 5.56 | Windows NT |
| 4 | 726 | 4.48 | 307 | 8.24 | +http://www.bing.com/bingbot.htm |
| 5 | 358 | 2.21 | 153 | 4.11 | +http://www.google.com/bot.html |
| 6 | 223 | 1.38 | 69 | 1.85 | +http://www.linkdex.com/bots/ |
| 7 | 92 | 0.57 | 47 | 1.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 50 | 0.31 | 24 | 0.64 | +http://ahrefs.com/robot/ |
| 9 | 37 | 0.23 | 18 | 0.48 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 35 | 0.22 | 7 | 0.19 | +http://fulltext.sblog.cz/ |
| 11 | 31 | 0.19 | 4 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 31 | 0.19 | 12 | 0.32 | +http://yandex.com/bots |
| 13 | 30 | 0.19 | 3 | 0.08 | +http://megaindex.com/crawler |
| 14 | 20 | 0.12 | 9 | 0.24 | +http://help.coccoc.com/ |
| 15 | 20 | 0.12 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 16 | 16 | 0.10 | 8 | 0.21 | +http://www.exabot.com/go/robot |
| 17 | 14 | 0.09 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 18 | 10 | 0.06 | 4 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 19 | 10 | 0.06 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 20 | 10 | 0.06 | 5 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 8 | 0.05 | 1 | 0.03 | Windows 98 |
| 22 | 8 | 0.05 | 4 | 0.11 | +http://duckduckgo.com |
| 23 | 6 | 0.04 | 3 | 0.08 | Windows CE |
| 24 | 6 | 0.04 | 4 | 0.11 | +https://gimmeusa.com/pages/crawler |
| 25 | 6 | 0.04 | 6 | 0.16 | +http://www.domaintuno.com/robot |
| 26 | 6 | 0.04 | 2 | 0.05 | Windows XP |
| 27 | 4 | 0.02 | 2 | 0.05 | Windows 95 |
| 28 | 4 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 29 | 4 | 0.02 | 2 | 0.05 | +http://www.bigbozz.com/ |
| 30 | 4 | 0.02 | 2 | 0.05 | Windows 9x |
| 31 | 3 | 0.02 | 3 | 0.08 | Linux [unknown version] |
| 32 | 3 | 0.02 | 3 | 0.08 | Linux i686 [unknown version] |
| 33 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 34 | 3 | 0.02 | 1 | 0.03 | +http://prlog.ru/ |
| 35 | 3 | 0.02 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.01 | 1 | 0.03 | Auto; Windows |
| 37 | 2 | 0.01 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 38 | 2 | 0.01 | 2 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 39 | 2 | 0.01 | 2 | 0.05 | +http://glutenfreepleasure.com/ |
| 40 | 2 | 0.01 | 1 | 0.03 | Windows ME |
| 41 | 2 | 0.01 | 2 | 0.05 | WinHttp.WinHttpRequest.5 |
| 42 | 1 | 0.01 | 1 | 0.03 | InfegyAtlas/1.0; en-US; collection@infeg... |
| 43 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 1 | 0.01 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
