| Used Operating Systems |
| 1 | 9046 | 20.96 | 3344 | 38.23 | Windows NT |
| 2 | 8372 | 19.40 | 1327 | 15.17 | +http://www.bing.com/bingbot.htm |
| 3 | 7808 | 18.09 | 154 | 1.76 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 3916 | 9.07 | 4 | 0.05 | http://crawler.sistrix.net/ |
| 5 | 3886 | 9.00 | 1255 | 14.35 | +http://www.google.com/bot.html |
| 6 | 3021 | 7.00 | 2 | 0.02 | +http://siteexplorer.info/ |
| 7 | 1754 | 4.06 | 1398 | 15.98 | +http://www.baidu.com/search/spider.html |
| 8 | 977 | 2.26 | 209 | 2.39 | +http://yandex.com/bots |
| 9 | 964 | 2.23 | 490 | 5.60 | +http://www.linkdex.com/about/bots/ |
| 10 | 935 | 2.17 | 4 | 0.05 | crawler@unister.de |
| 11 | 753 | 1.74 | 3 | 0.03 | +http://www.seoprofiler.com/bot |
| 12 | 489 | 1.13 | 181 | 2.07 | ezooms.bot@gmail.com |
| 13 | 279 | 0.65 | 77 | 0.88 | +http://www.exabot.com/go/robot |
| 14 | 192 | 0.44 | 32 | 0.37 | +http://www.profound.net/urlappendbot.ht... |
| 15 | 131 | 0.30 | 40 | 0.46 | Windows 95 |
| 16 | 103 | 0.24 | 12 | 0.14 | +http://www.yunyun.com/spider.html |
| 17 | 70 | 0.16 | 31 | 0.35 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 64 | 0.15 | 26 | 0.30 | +http://www.proximic.com/info/spider.php |
| 19 | 62 | 0.14 | 1 | 0.01 | +http://www.solomono.ru |
| 20 | 54 | 0.13 | 21 | 0.24 | X11 |
| 21 | 52 | 0.12 | 42 | 0.48 | MSIE 5.5; Windows 95 |
| 22 | 40 | 0.09 | 18 | 0.21 | http://www.botje.com/plukkie.htm |
| 23 | 34 | 0.08 | 15 | 0.17 | Android 2.3.5 |
| 24 | 19 | 0.04 | 11 | 0.13 | +http://www.netseer.com/crawler.html; cr... |
| 25 | 15 | 0.03 | 8 | 0.09 | +http://www.grapeshot.co.uk/crawler.php |
| 26 | 14 | 0.03 | 6 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 27 | 14 | 0.03 | 6 | 0.07 | Windows 98 |
| 28 | 10 | 0.02 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 29 | 9 | 0.02 | 1 | 0.01 | Intel Mac OS X |
| 30 | 9 | 0.02 | 3 | 0.03 | Windows XP |
| 31 | 8 | 0.02 | 4 | 0.05 | +http://help.coccoc.com/ |
| 32 | 6 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 33 | 5 | 0.01 | 1 | 0.01 | Android |
| 34 | 5 | 0.01 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 35 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 36 | 4 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 3 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 38 | 3 | 0.01 | 3 | 0.03 | Auto; Windows |
| 39 | 3 | 0.01 | 1 | 0.01 | Windows 92 |
| 40 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 41 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 42 | 2 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 43 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 45 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 46 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 47 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 48 | 1 | 0.00 | 1 | 0.01 | X11; Linux i686; de |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://www.marketwire.com |
| 50 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 51 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 52 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
