| Used Operating Systems |
| 1 | 29365 | 55.57 | 1040 | 23.38 | Windows NT |
| 2 | 5040 | 9.54 | 1127 | 25.33 | +http://www.bing.com/bingbot.htm |
| 3 | 4140 | 7.83 | 980 | 22.03 | +http://www.google.com/bot.html |
| 4 | 2733 | 5.17 | 196 | 4.41 | +http://yandex.com/bots |
| 5 | 2437 | 4.61 | 316 | 7.10 | ezooms.bot@gmail.com |
| 6 | 1506 | 2.85 | 4 | 0.09 | +http://www.warebay.com/bot.html |
| 7 | 1105 | 2.09 | 19 | 0.43 | http://crawler.sistrix.net/ |
| 8 | 1085 | 2.05 | 50 | 1.12 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 1071 | 2.03 | 432 | 9.71 | +http://ahrefs.com/robot/ |
| 10 | 1049 | 1.99 | 29 | 0.65 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 984 | 1.86 | 2 | 0.04 | +http://www.baidu.com/search/spider.html |
| 12 | 716 | 1.35 | 13 | 0.29 | Intel Mac OS X 10.4 |
| 13 | 242 | 0.46 | 6 | 0.13 | http://www.lipperhey.com/ |
| 14 | 152 | 0.29 | 2 | 0.04 | PPC Mac OS X 10.4 |
| 15 | 129 | 0.24 | 1 | 0.02 | J2ME/MIDP |
| 16 | 128 | 0.24 | 61 | 1.37 | +http://www.exabot.com/go/robot |
| 17 | 124 | 0.23 | 16 | 0.36 | Linux i686 [unknown version] |
| 18 | 117 | 0.22 | 6 | 0.13 | PPC Mac OS X Mach-O |
| 19 | 102 | 0.19 | 44 | 0.99 | +http://discoveryengine.com/discoverybot... |
| 20 | 86 | 0.16 | 2 | 0.04 | Android |
| 21 | 79 | 0.15 | 5 | 0.11 | Intel Mac OS X 10.6 |
| 22 | 74 | 0.14 | 2 | 0.04 | +http://fulltext.sblog.cz/screenshot/ |
| 23 | 66 | 0.12 | 2 | 0.04 | Intel Mac OS X 10.5 |
| 24 | 52 | 0.10 | 2 | 0.04 | Solaris 2.4.x |
| 25 | 44 | 0.08 | 22 | 0.49 | Windows 98 |
| 26 | 36 | 0.07 | 2 | 0.04 | BeOS BePC |
| 27 | 32 | 0.06 | 8 | 0.18 | +http://filterdb.iss.net/crawler/ |
| 28 | 24 | 0.05 | 10 | 0.22 | http://www.botje.com/plukkie.htm |
| 29 | 20 | 0.04 | 8 | 0.18 | +http://www.compspy.com/spider.html |
| 30 | 19 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 31 | 16 | 0.03 | 14 | 0.31 | +info@netcraft.com |
| 32 | 12 | 0.02 | 6 | 0.13 | Windows 95 |
| 33 | 7 | 0.01 | 5 | 0.11 | Linux [unknown version] |
| 34 | 6 | 0.01 | 3 | 0.07 | Windows ME |
| 35 | 6 | 0.01 | 3 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 36 | 6 | 0.01 | 2 | 0.04 | America Online Browser 1.1; rev1.1; Wind... |
| 37 | 4 | 0.01 | 2 | 0.04 | Windows 2000 |
| 38 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 39 | 4 | 0.01 | 0 | 0.00 | Windows 9. |
| 40 | 4 | 0.01 | 2 | 0.04 | Windows XP |
| 41 | 4 | 0.01 | 2 | 0.04 | Windows 3.1 |
| 42 | 4 | 0.01 | 0 | 0.00 | +http://shoulu.jike.com/spider.html |
| 43 | 4 | 0.01 | 2 | 0.04 | +http://www.acoon.de/robot.asp |
| 44 | 2 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 45 | 2 | 0.00 | 0 | 0.00 | OS/2 |
| 46 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 47 | 1 | 0.00 | 1 | 0.02 | +http://www.profound.net/sibot.html |
