| Used Operating Systems by Visits |
| 1 | 7606 | 50.52 | 2039 | 42.06 | Windows NT |
| 2 | 1413 | 9.39 | 1386 | 28.59 | +http://www.baidu.com/search/spider.html |
| 3 | 1012 | 6.72 | 404 | 8.33 | +http://www.bing.com/bingbot.htm |
| 4 | 703 | 4.67 | 403 | 8.31 | +http://www.google.com/bot.html |
| 5 | 584 | 3.88 | 220 | 4.54 | help@moz.com |
| 6 | 623 | 4.14 | 67 | 1.38 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 578 | 3.84 | 62 | 1.28 | +http://yandex.com/bots |
| 8 | 163 | 1.08 | 44 | 0.91 | Windows 98 |
| 9 | 78 | 0.52 | 39 | 0.80 | +http://www.linkdex.com/about/bots/ |
| 10 | 128 | 0.85 | 36 | 0.74 | Windows 95 |
| 11 | 64 | 0.43 | 31 | 0.64 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 21 | 0.14 | 15 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 40 | 0.27 | 15 | 0.31 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 40 | 0.27 | 14 | 0.29 | Windows 2000 |
| 15 | 153 | 1.02 | 13 | 0.27 | +http://siteexplorer.info/ |
| 16 | 18 | 0.12 | 10 | 0.21 | +http://www.easou.com/search/spider.html |
| 17 | 19 | 0.13 | 10 | 0.21 | +http://www.exabot.com/go/robot |
| 18 | 1135 | 7.54 | 5 | 0.10 | +http://www.seoprofiler.com/bot |
| 19 | 12 | 0.08 | 4 | 0.08 | Auto; Windows |
| 20 | 40 | 0.27 | 4 | 0.08 | Android |
| 21 | 9 | 0.06 | 3 | 0.06 | Windows 3.1 |
| 22 | 39 | 0.26 | 3 | 0.06 | X11 |
| 23 | 9 | 0.06 | 2 | 0.04 | Windows CE |
| 24 | 4 | 0.03 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 25 | 4 | 0.03 | 2 | 0.04 | +http://www.yunyun.com/spider.html |
| 26 | 9 | 0.06 | 2 | 0.04 | Windows XP |
| 27 | 6 | 0.04 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 28 | 3 | 0.02 | 2 | 0.04 | +http://www.semrush.com/bot.html |
| 29 | 10 | 0.07 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 30 | 2 | 0.01 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 31 | 1 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 32 | 9 | 0.06 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 33 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 34 | 455 | 3.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 35 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 36 | 3 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 39 | 6 | 0.04 | 0 | 0.00 | Win32 |
| 40 | 8 | 0.05 | 0 | 0.00 | Macintosh PPC |
| 41 | 5 | 0.03 | 0 | 0.00 | J2ME/MIDP |
| 42 | 10 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 3 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 44 | 1 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 45 | 1 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 46 | 1 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 47 | 16 | 0.11 | 0 | 0.00 | Android 2.3.5 |
| 48 | 3 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
