| Used Operating Systems |
| 1 | 30671 | 56.72 | 283 | 4.41 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10451 | 19.33 | 3156 | 49.19 | Windows NT |
| 3 | 3678 | 6.80 | 1672 | 26.06 | +http://www.baidu.com/search/spider.html |
| 4 | 3139 | 5.80 | 147 | 2.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 876 | 1.62 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 6 | 856 | 1.58 | 102 | 1.59 | +http://www.google.com/bot.html |
| 7 | 687 | 1.27 | 51 | 0.79 | +http://yandex.com/bots |
| 8 | 495 | 0.92 | 149 | 2.32 | +http://www.linkdex.com/bots/ |
| 9 | 483 | 0.89 | 49 | 0.76 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 431 | 0.80 | 171 | 2.67 | +http://ahrefs.com/robot/ |
| 11 | 401 | 0.74 | 0 | 0.00 | +http://www.xovibot.net/ |
| 12 | 276 | 0.51 | 150 | 2.34 | +http://www.bing.com/bingbot.htm |
| 13 | 240 | 0.44 | 136 | 2.12 | Windows 95 |
| 14 | 233 | 0.43 | 4 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 231 | 0.43 | 47 | 0.73 | +http://www.exabot.com/go/robot |
| 16 | 214 | 0.40 | 12 | 0.19 | Windows 98 |
| 17 | 96 | 0.18 | 0 | 0.00 | +http://siteexplorer.info/ |
| 18 | 71 | 0.13 | 34 | 0.53 | Windows 3.1 |
| 19 | 54 | 0.10 | 0 | 0.00 | Windows XP |
| 20 | 49 | 0.09 | 28 | 0.44 | Windows CE |
| 21 | 49 | 0.09 | 27 | 0.42 | Windows ME |
| 22 | 48 | 0.09 | 33 | 0.51 | Windows 2000 |
| 23 | 46 | 0.09 | 29 | 0.45 | ) - BrowseX (2.0.0 Windows |
| 24 | 45 | 0.08 | 29 | 0.45 | MSIE 5.5; Windows NT 5.0 |
| 25 | 39 | 0.07 | 26 | 0.41 | MSIE 5.5; Windows NT 4.0 |
| 26 | 34 | 0.06 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 27 | 32 | 0.06 | 16 | 0.25 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 28 | 0.05 | 21 | 0.33 | Auto; Windows |
| 29 | 28 | 0.05 | 23 | 0.36 | Linux [unknown version] |
| 30 | 24 | 0.04 | 6 | 0.09 | Linux i686 [unknown version] |
| 31 | 19 | 0.04 | 0 | 0.00 | +http://www.idmarch.org/bot.html |
| 32 | 14 | 0.03 | 0 | 0.00 | http://webagent.wise-guys.nl/; http://ww... |
| 33 | 9 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 34 | 8 | 0.01 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 35 | 4 | 0.01 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 36 | 4 | 0.01 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 37 | 4 | 0.01 | 4 | 0.06 | +http://www.angeldonate.com |
| 38 | 2 | 0.00 | 2 | 0.03 | http://www.lipperhey.com/ |
| 39 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 2 | 0.00 | 0 | 0.00 | Amiga-AWeb |
| 41 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 42 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 43 | 1 | 0.00 | 1 | 0.02 | Android 2.3.5 |
