| Used Operating Systems |
| 1 | 3404 | 41.08 | 1813 | 35.09 | Windows NT |
| 2 | 3049 | 36.79 | 2545 | 49.25 | +http://www.baidu.com/search/spider.html |
| 3 | 614 | 7.41 | 311 | 6.02 | +http://www.google.com/bot.html |
| 4 | 421 | 5.08 | 236 | 4.57 | +http://www.bing.com/bingbot.htm |
| 5 | 216 | 2.61 | 49 | 0.95 | +http://yandex.com/bots |
| 6 | 115 | 1.39 | 3 | 0.06 | +http://fulltext.sblog.cz/ |
| 7 | 75 | 0.91 | 50 | 0.97 | +http://ahrefs.com/robot/ |
| 8 | 60 | 0.72 | 27 | 0.52 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 59 | 0.71 | 32 | 0.62 | +http://www.exabot.com/go/robot |
| 10 | 40 | 0.48 | 4 | 0.08 | http://crawler.sistrix.net/ |
| 11 | 34 | 0.41 | 17 | 0.33 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 21 | 0.25 | 10 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 20 | 0.24 | 2 | 0.04 | +http://www.aihitdata.com/about |
| 14 | 18 | 0.22 | 9 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 17 | 0.21 | 8 | 0.15 | +https://www.mojeek.com/bot.html |
| 16 | 12 | 0.14 | 6 | 0.12 | X11 |
| 17 | 11 | 0.13 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 18 | 10 | 0.12 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 19 | 10 | 0.12 | 5 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 9 | 0.11 | 5 | 0.10 | Android 2.3.5 |
| 21 | 9 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 22 | 8 | 0.10 | 8 | 0.15 | +http://pmoz.info/doc/botinfo.htm |
| 23 | 8 | 0.10 | 3 | 0.06 | +http://gimme60.com |
| 24 | 6 | 0.07 | 2 | 0.04 | +http://getdownload.ws |
| 25 | 4 | 0.05 | 1 | 0.02 | +http://medialine-it.com |
| 26 | 4 | 0.05 | 1 | 0.02 | +http://isdownload.biz |
| 27 | 4 | 0.05 | 1 | 0.02 | +http://r4downloads.co |
| 28 | 3 | 0.04 | 1 | 0.02 | crawler@mixrank.com |
| 29 | 3 | 0.04 | 3 | 0.06 | +http://fb02itsscan.fh-muenster.de |
| 30 | 3 | 0.04 | 1 | 0.02 | +http://trumpetsheetmusic.org |
| 31 | 3 | 0.04 | 0 | 0.00 | Windows 98 |
| 32 | 3 | 0.04 | 3 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 33 | 2 | 0.02 | 1 | 0.02 | +http://www.proximic.com/info/spider.php |
| 34 | 2 | 0.02 | 2 | 0.04 | Linux [unknown version] |
| 35 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 36 | 2 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 37 | 2 | 0.02 | 1 | 0.02 | +http://duckduckgo.com |
| 38 | 2 | 0.02 | 2 | 0.04 | +http://www.wmtips.com/tools/ |
| 39 | 1 | 0.01 | 1 | 0.02 | Windows 95 |
| 40 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
