| Used Operating Systems |
| 1 | 4253 | 39.93 | 2123 | 34.44 | Windows NT |
| 2 | 3228 | 30.30 | 2916 | 47.30 | +http://www.baidu.com/search/spider.html |
| 3 | 1396 | 13.11 | 525 | 8.52 | +http://www.google.com/bot.html |
| 4 | 421 | 3.95 | 60 | 0.97 | +http://yandex.com/bots |
| 5 | 172 | 1.61 | 95 | 1.54 | +http://www.bing.com/bingbot.htm |
| 6 | 119 | 1.12 | 50 | 0.81 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 114 | 1.07 | 42 | 0.68 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 98 | 0.92 | 61 | 0.99 | Windows 95 |
| 9 | 90 | 0.84 | 31 | 0.50 | +http://fulltext.sblog.cz/ |
| 10 | 72 | 0.68 | 19 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 63 | 0.59 | 32 | 0.52 | +http://www.exabot.com/go/robot |
| 12 | 60 | 0.56 | 32 | 0.52 | +http://ahrefs.com/robot/ |
| 13 | 56 | 0.53 | 11 | 0.18 | X11 |
| 14 | 48 | 0.45 | 34 | 0.55 | +http://www.easou.com/search/spider.html |
| 15 | 34 | 0.32 | 8 | 0.13 | Windows 98 |
| 16 | 32 | 0.30 | 19 | 0.31 | +http://www.linkdex.com/bots/ |
| 17 | 31 | 0.29 | 1 | 0.02 | J2ME/MIDP |
| 18 | 26 | 0.24 | 2 | 0.03 | Android |
| 19 | 26 | 0.24 | 4 | 0.06 | +http://www.linkpad.ru |
| 20 | 24 | 0.23 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 21 | 20 | 0.19 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 22 | 18 | 0.17 | 1 | 0.02 | +http://fulltext.sblog.cz/screenshot/ |
| 23 | 18 | 0.17 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 24 | 18 | 0.17 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 25 | 15 | 0.14 | 6 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 15 | 0.14 | 7 | 0.11 | +http://help.coccoc.com/ |
| 27 | 14 | 0.13 | 9 | 0.15 | Windows 2000 |
| 28 | 14 | 0.13 | 0 | 0.00 | Windows 9. |
| 29 | 12 | 0.11 | 5 | 0.08 | Windows 3.1 |
| 30 | 12 | 0.11 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 31 | 11 | 0.10 | 7 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 32 | 10 | 0.09 | 0 | 0.00 | Linux [unknown version] |
| 33 | 10 | 0.09 | 4 | 0.06 | Windows XP |
| 34 | 10 | 0.09 | 5 | 0.08 | +http://wmaid.com/explore/ |
| 35 | 9 | 0.08 | 8 | 0.13 | Windows CE |
| 36 | 8 | 0.08 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 37 | 8 | 0.08 | 6 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 38 | 7 | 0.07 | 6 | 0.10 | Auto; Windows |
| 39 | 7 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 7 | 0.07 | 5 | 0.08 | Android 2.3.5 |
| 41 | 6 | 0.06 | 2 | 0.03 | +http://getdownload.ws |
| 42 | 6 | 0.06 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 5 | 0.05 | 3 | 0.05 | Windows ME |
| 44 | 5 | 0.05 | 3 | 0.05 | Linux i686 [unknown version] |
| 45 | 4 | 0.04 | 2 | 0.03 | http://linkfluence.net/; bot@linkfluence... |
| 46 | 4 | 0.04 | 2 | 0.03 | +http://www.proximic.com/info/spider.php |
| 47 | 4 | 0.04 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 48 | 3 | 0.03 | 1 | 0.02 | +info@netcraft.com |
| 49 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 50 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 51 | 2 | 0.02 | 2 | 0.03 | +http://tweetmeme.com/ |
| 52 | 2 | 0.02 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 53 | 1 | 0.01 | 0 | 0.00 | Win32 |
