| Used Operating Systems |
| 1 | 12307 | 41.47 | 4370 | 46.22 | Windows NT |
| 2 | 6822 | 22.99 | 278 | 2.94 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2277 | 7.67 | 2083 | 22.03 | +http://www.baidu.com/search/spider.html |
| 4 | 2169 | 7.31 | 669 | 7.08 | +http://ahrefs.com/robot/ |
| 5 | 1956 | 6.59 | 175 | 1.85 | +http://yandex.com/bots |
| 6 | 1252 | 4.22 | 438 | 4.63 | +http://www.google.com/bot.html |
| 7 | 517 | 1.74 | 331 | 3.50 | Windows 95 |
| 8 | 373 | 1.26 | 193 | 2.04 | +http://www.bing.com/bingbot.htm |
| 9 | 306 | 1.03 | 31 | 0.33 | Windows 98 |
| 10 | 302 | 1.02 | 87 | 0.92 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 272 | 0.92 | 209 | 2.21 | +http://www.linkdex.com/bots/ |
| 12 | 90 | 0.30 | 72 | 0.76 | Windows 2000 |
| 13 | 85 | 0.29 | 57 | 0.60 | Windows ME |
| 14 | 83 | 0.28 | 65 | 0.69 | Windows CE |
| 15 | 80 | 0.27 | 63 | 0.67 | MSIE 5.5; Windows NT 5.0 |
| 16 | 80 | 0.27 | 61 | 0.65 | ) - BrowseX (2.0.0 Windows |
| 17 | 79 | 0.27 | 59 | 0.62 | MSIE 5.5; Windows NT 4.0 |
| 18 | 77 | 0.26 | 0 | 0.00 | Windows XP |
| 19 | 69 | 0.23 | 47 | 0.50 | Windows 3.1 |
| 20 | 64 | 0.22 | 51 | 0.54 | Auto; Windows |
| 21 | 64 | 0.22 | 2 | 0.02 | Android |
| 22 | 35 | 0.12 | 16 | 0.17 | +http://www.exabot.com/go/robot |
| 23 | 33 | 0.11 | 4 | 0.04 | +http://fulltext.sblog.cz/ |
| 24 | 32 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 25 | 29 | 0.10 | 13 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 24 | 0.08 | 12 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 27 | 22 | 0.07 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 28 | 22 | 0.07 | 12 | 0.13 | X11 |
| 29 | 20 | 0.07 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 30 | 16 | 0.05 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 31 | 12 | 0.04 | 6 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 10 | 0.03 | 1 | 0.01 | +http://www.aihitdata.com/about |
| 33 | 10 | 0.03 | 3 | 0.03 | +http://duckduckgo.com |
| 34 | 8 | 0.03 | 2 | 0.02 | +http://trumpetsheetmusic.org |
| 35 | 8 | 0.03 | 2 | 0.02 | +http://medialine-it.com |
| 36 | 8 | 0.03 | 4 | 0.04 | +http://botw.org |
| 37 | 7 | 0.02 | 7 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 38 | 6 | 0.02 | 3 | 0.03 | +http://help.coccoc.com/ |
| 39 | 5 | 0.02 | 1 | 0.01 | Android 2.3.5 |
| 40 | 4 | 0.01 | 1 | 0.01 | +http://downloadmine.biz |
| 41 | 4 | 0.01 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 42 | 4 | 0.01 | 2 | 0.02 | +https://www.mojeek.com/bot.html |
| 43 | 4 | 0.01 | 1 | 0.01 | +http://mercedes-w123.net |
| 44 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 45 | 4 | 0.01 | 2 | 0.02 | +http://gimme60.com |
| 46 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 47 | 3 | 0.01 | 3 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 48 | 3 | 0.01 | 3 | 0.03 | Linux [unknown version] |
| 49 | 3 | 0.01 | 1 | 0.01 | +http://isdownload.biz |
| 50 | 2 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 51 | 2 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 52 | 2 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 53 | 2 | 0.01 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 54 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 55 | 1 | 0.00 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 56 | 1 | 0.00 | 1 | 0.01 | +http://www.wmtips.com/tools/ |
