| Used Operating Systems |
| 1 | 7408 | 65.11 | 2594 | 53.17 | Windows NT |
| 2 | 1630 | 14.33 | 1494 | 30.62 | +http://www.baidu.com/search/spider.html |
| 3 | 523 | 4.60 | 162 | 3.32 | +http://www.bing.com/bingbot.htm |
| 4 | 515 | 4.53 | 287 | 5.88 | +http://www.google.com/bot.html |
| 5 | 370 | 3.25 | 76 | 1.56 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 167 | 1.47 | 32 | 0.66 | +http://yandex.com/bots |
| 7 | 156 | 1.37 | 21 | 0.43 | +http://www.semrush.com/bot.html |
| 8 | 60 | 0.53 | 14 | 0.29 | +http://ahrefs.com/robot/ |
| 9 | 53 | 0.47 | 20 | 0.41 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 51 | 0.45 | 18 | 0.37 | Windows 95 |
| 11 | 47 | 0.41 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 12 | 36 | 0.32 | 10 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 33 | 0.29 | 10 | 0.20 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 33 | 0.29 | 0 | 0.00 | X11 |
| 15 | 25 | 0.22 | 11 | 0.23 | +http://www.exabot.com/go/robot |
| 16 | 21 | 0.18 | 5 | 0.10 | Android 2.3.5 |
| 17 | 19 | 0.17 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 18 | 18 | 0.16 | 8 | 0.16 | Windows CE |
| 19 | 18 | 0.16 | 6 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 20 | 18 | 0.16 | 9 | 0.18 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 17 | 0.15 | 7 | 0.14 | Windows 98 |
| 22 | 16 | 0.14 | 8 | 0.16 | +http://help.coccoc.com/ |
| 23 | 10 | 0.09 | 7 | 0.14 | Linux [unknown version] |
| 24 | 10 | 0.09 | 8 | 0.16 | Linux i686 [unknown version] |
| 25 | 8 | 0.07 | 2 | 0.04 | +http://u2search.co |
| 26 | 8 | 0.07 | 2 | 0.04 | +http://alphaphitote.com |
| 27 | 8 | 0.07 | 2 | 0.04 | +http://r4downloads.co |
| 28 | 8 | 0.07 | 4 | 0.08 | +http://help.naver.com/robots/ |
| 29 | 7 | 0.06 | 7 | 0.14 | +http://domainsigma.com/robot |
| 30 | 4 | 0.04 | 1 | 0.02 | http://www.lipperhey.com/ |
| 31 | 4 | 0.04 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 32 | 4 | 0.04 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 33 | 4 | 0.04 | 3 | 0.06 | 68K; SV1; Trident/5.0 |
| 34 | 4 | 0.04 | 1 | 0.02 | +http://www.xovibot.net/ |
| 35 | 4 | 0.04 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 36 | 4 | 0.04 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 37 | 3 | 0.03 | 1 | 0.02 | Windows 2000 |
| 38 | 3 | 0.03 | 3 | 0.06 | +http://fb02itsscan.fh-muenster.de |
| 39 | 3 | 0.03 | 1 | 0.02 | +http://downloadmine.biz |
| 40 | 3 | 0.03 | 3 | 0.06 | 68K; WOW64; Trident/1.0 |
| 41 | 3 | 0.03 | 3 | 0.06 | 68K; Trident/3.0 |
| 42 | 3 | 0.03 | 1 | 0.02 | +http://prox100download.com |
| 43 | 3 | 0.03 | 1 | 0.02 | Windows 3.1 |
| 44 | 3 | 0.03 | 3 | 0.06 | PPC; Trident/3.0 |
| 45 | 3 | 0.03 | 3 | 0.06 | 68K; Trident/1.0 |
| 46 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 47 | 2 | 0.02 | 2 | 0.04 | PPC; Trident/5.0 |
| 48 | 2 | 0.02 | 2 | 0.04 | 68K; Win64; x64; Trident/3.0 |
| 49 | 2 | 0.02 | 0 | 0.00 | PPC; .NET CLR; Trident/1.0 |
| 50 | 2 | 0.02 | 2 | 0.04 | 68K; Trident/2.0 |
| 51 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 52 | 2 | 0.02 | 2 | 0.04 | +http://wmaid.com/en/explore/ |
| 53 | 2 | 0.02 | 2 | 0.04 | 68K; .NET CLR; Trident/2.0 |
| 54 | 1 | 0.01 | 1 | 0.02 | 68K; Trident/4.0 |
| 55 | 1 | 0.01 | 1 | 0.02 | PPC; Trident/2.0 |
| 56 | 1 | 0.01 | 1 | 0.02 | PPC; Win64; IA64; Trident/4.0 |
| 57 | 1 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 58 | 1 | 0.01 | 1 | 0.02 | +http://gimmeUSA.com |
| 59 | 1 | 0.01 | 1 | 0.02 | PPC; Win64; x64; Trident/4.0 |
| 60 | 1 | 0.01 | 1 | 0.02 | WindowsCE; SV1; Trident/1.0 |
| 61 | 1 | 0.01 | 1 | 0.02 | PPC; Tablet PC; Trident/3.0 |
| 62 | 1 | 0.01 | 1 | 0.02 | PPC; Trident/1.0 |
| 63 | 1 | 0.01 | 0 | 0.00 | PPC; Tablet PC; Trident/1.0 |
| 64 | 1 | 0.01 | 1 | 0.02 | 68K; Win64; x64; Trident/1.0 |
| 65 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 66 | 1 | 0.01 | 1 | 0.02 | Windows 9x |
| 67 | 1 | 0.01 | 1 | 0.02 | 68K; Tablet PC; Trident/4.0 |
