| Used Operating Systems |
| 1 | 13865 | 59.59 | 3397 | 51.27 | Windows NT |
| 2 | 3103 | 13.34 | 342 | 5.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 2151 | 9.24 | 1832 | 27.65 | +http://www.baidu.com/search/spider.html |
| 4 | 1410 | 6.06 | 93 | 1.40 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 774 | 3.33 | 79 | 1.19 | Windows 98 |
| 6 | 676 | 2.91 | 231 | 3.49 | +http://yandex.com/bots |
| 7 | 277 | 1.19 | 116 | 1.75 | +http://www.bing.com/bingbot.htm |
| 8 | 259 | 1.11 | 135 | 2.04 | +http://www.google.com/bot.html |
| 9 | 114 | 0.49 | 107 | 1.61 | +http://www.linkdex.com/bots/ |
| 10 | 86 | 0.37 | 22 | 0.33 | ) - BrowseX (2.0.0 Windows |
| 11 | 58 | 0.25 | 49 | 0.74 | Windows 95 |
| 12 | 40 | 0.17 | 20 | 0.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 39 | 0.17 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 14 | 33 | 0.14 | 17 | 0.26 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 15 | 28 | 0.12 | 16 | 0.24 | X11 |
| 16 | 26 | 0.11 | 7 | 0.11 | Android 2.3.5 |
| 17 | 25 | 0.11 | 9 | 0.14 | Windows XP |
| 18 | 24 | 0.10 | 14 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 19 | 22 | 0.09 | 11 | 0.17 | +http://www.exabot.com/go/robot |
| 20 | 21 | 0.09 | 15 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 21 | 20 | 0.09 | 10 | 0.15 | +http://www.career-x.de/bot.html |
| 22 | 19 | 0.08 | 13 | 0.20 | Windows 3.1 |
| 23 | 18 | 0.08 | 3 | 0.05 | +http://ahrefs.com/robot/ |
| 24 | 17 | 0.07 | 16 | 0.24 | info@muso.com; +http://www.muso.com |
| 25 | 17 | 0.07 | 9 | 0.14 | Windows CE |
| 26 | 15 | 0.06 | 0 | 0.00 | Linux [unknown version] |
| 27 | 12 | 0.05 | 5 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 11 | 0.05 | 7 | 0.11 | Windows 2000 |
| 29 | 11 | 0.05 | 8 | 0.12 | Windows ME |
| 30 | 10 | 0.04 | 5 | 0.08 | http://crawler.sistrix.net/ |
| 31 | 8 | 0.03 | 2 | 0.03 | http://www.lipperhey.com/ |
| 32 | 8 | 0.03 | 8 | 0.12 | Linux i686 [unknown version] |
| 33 | 6 | 0.03 | 4 | 0.06 | Auto; Windows |
| 34 | 6 | 0.03 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 35 | 5 | 0.02 | 2 | 0.03 | +http://gimme60.com |
| 36 | 5 | 0.02 | 1 | 0.02 | +http://u12files.com/ |
| 37 | 4 | 0.02 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 38 | 4 | 0.02 | 1 | 0.02 | +http://help.coccoc.com/ |
| 39 | 4 | 0.02 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 40 | 4 | 0.02 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 41 | 4 | 0.02 | 1 | 0.02 | +http://freedlf.com/ |
| 42 | 3 | 0.01 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 43 | 3 | 0.01 | 1 | 0.02 | +http://inload.in |
| 44 | 2 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 45 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 46 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 2 | 0.01 | 0 | 0.00 | +http://image2play.com/ |
| 48 | 2 | 0.01 | 1 | 0.02 | +http://www.linkpad.ru |
| 49 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 50 | 2 | 0.01 | 2 | 0.03 | +http://www.loadtime.net/bot.html |
| 51 | 2 | 0.01 | 2 | 0.03 | +http://wmaid.com/explore/ |
| 52 | 2 | 0.01 | 1 | 0.02 | +http://www.declum.com/ |
| 53 | 1 | 0.00 | 1 | 0.02 | +http://136.186.231.16 |
| 54 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 55 | 1 | 0.00 | 1 | 0.02 | http://www.youdao.com/help/webmaster/spi... |
| 56 | 1 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
