| Used Operating Systems |
| 1 | 3576 | 32.10 | 1100 | 31.16 | Windows NT |
| 2 | 1766 | 15.85 | 1591 | 45.07 | +http://www.baidu.com/search/spider.html |
| 3 | 1395 | 12.52 | 45 | 1.27 | +http://yandex.com/bots |
| 4 | 850 | 7.63 | 24 | 0.68 | +http://OpenLinkProfiler.org/bot |
| 5 | 634 | 5.69 | 148 | 4.19 | +http://www.google.com/bot.html |
| 6 | 566 | 5.08 | 135 | 3.82 | help@moz.com |
| 7 | 458 | 4.11 | 26 | 0.74 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 391 | 3.51 | 148 | 4.19 | +http://www.bing.com/bingbot.htm |
| 9 | 300 | 2.69 | 2 | 0.06 | +http://webmeup-crawler.com/ |
| 10 | 267 | 2.40 | 114 | 3.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 206 | 1.85 | 3 | 0.08 | Android 4.1.2 |
| 12 | 200 | 1.80 | 70 | 1.98 | Windows 95 |
| 13 | 102 | 0.92 | 2 | 0.06 | +http://www.linkpad.ru |
| 14 | 63 | 0.57 | 11 | 0.31 | +http://siteexplorer.info/ |
| 15 | 55 | 0.49 | 8 | 0.23 | +http://fulltext.sblog.cz/ |
| 16 | 39 | 0.35 | 13 | 0.37 | MSIE 5.5; Windows NT 4.0 |
| 17 | 35 | 0.31 | 3 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 18 | 32 | 0.29 | 10 | 0.28 | +http://www.exabot.com/go/robot |
| 19 | 24 | 0.22 | 12 | 0.34 | +http://www.career-x.de/bot.html |
| 20 | 21 | 0.19 | 6 | 0.17 | Windows CE |
| 21 | 19 | 0.17 | 16 | 0.45 | Linux [unknown version] |
| 22 | 19 | 0.17 | 6 | 0.17 | Windows 98 |
| 23 | 14 | 0.13 | 7 | 0.20 | http://crawler.sistrix.net/ |
| 24 | 12 | 0.11 | 0 | 0.00 | Win32 |
| 25 | 12 | 0.11 | 4 | 0.11 | Windows 2000 |
| 26 | 12 | 0.11 | 3 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 9 | 0.08 | 3 | 0.08 | Windows ME |
| 28 | 8 | 0.07 | 3 | 0.08 | ScoutJet; +http://blekko.com/about/blekk... |
| 29 | 7 | 0.06 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 30 | 7 | 0.06 | 6 | 0.17 | Linux i686 [unknown version] |
| 31 | 6 | 0.05 | 2 | 0.06 | Auto; Windows |
| 32 | 6 | 0.05 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 5 | 0.04 | 0 | 0.00 | Linux 2.4.x |
| 34 | 5 | 0.04 | 3 | 0.08 | +http://www.easou.com/search/spider.html |
| 35 | 5 | 0.04 | 3 | 0.08 | +info@netcraft.com |
| 36 | 4 | 0.04 | 2 | 0.06 | +http://www.proximic.com/info/spider.php |
| 37 | 4 | 0.04 | 0 | 0.00 | Macintosh PPC |
| 38 | 4 | 0.04 | 0 | 0.00 | Windows 9. |
| 39 | 2 | 0.02 | 1 | 0.03 | +http://www.yunyun.com/spider.html |
