| Used Operating Systems |
| 1 | 8072 | 50.81 | 3835 | 60.74 | Windows NT |
| 2 | 3155 | 19.86 | 90 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1544 | 9.72 | 630 | 9.98 | +http://www.google.com/bot.html |
| 4 | 758 | 4.77 | 349 | 5.53 | +http://www.bing.com/bingbot.htm |
| 5 | 388 | 2.44 | 257 | 4.07 | +http://www.baidu.com/search/spider.html |
| 6 | 305 | 1.92 | 276 | 4.37 | Windows 95 |
| 7 | 280 | 1.76 | 130 | 2.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 207 | 1.30 | 130 | 2.06 | +http://ahrefs.com/robot/ |
| 9 | 195 | 1.23 | 63 | 1.00 | +http://www.linkdex.com/bots/ |
| 10 | 181 | 1.14 | 63 | 1.00 | Windows 98 |
| 11 | 173 | 1.09 | 40 | 0.63 | +http://yandex.com/bots |
| 12 | 57 | 0.36 | 54 | 0.86 | MSIE 5.5; Windows NT 4.0 |
| 13 | 55 | 0.35 | 53 | 0.84 | MSIE 5.5; Windows NT 5.0 |
| 14 | 50 | 0.31 | 50 | 0.79 | Windows CE |
| 15 | 50 | 0.31 | 49 | 0.78 | Windows 3.1 |
| 16 | 49 | 0.31 | 15 | 0.24 | Windows XP |
| 17 | 48 | 0.30 | 47 | 0.74 | Windows ME |
| 18 | 43 | 0.27 | 43 | 0.68 | Windows 2000 |
| 19 | 40 | 0.25 | 38 | 0.60 | ) - BrowseX (2.0.0 Windows |
| 20 | 37 | 0.23 | 36 | 0.57 | Auto; Windows |
| 21 | 36 | 0.23 | 9 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 34 | 0.21 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 23 | 34 | 0.21 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 24 | 14 | 0.09 | 6 | 0.10 | +http://www.exabot.com/go/robot |
| 25 | 12 | 0.08 | 12 | 0.19 | Linux i686 [unknown version] |
| 26 | 12 | 0.08 | 6 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 12 | 0.08 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 28 | 11 | 0.07 | 6 | 0.10 | Linux [unknown version] |
| 29 | 6 | 0.04 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 30 | 6 | 0.04 | 3 | 0.05 | +http://duckduckgo.com |
| 31 | 3 | 0.02 | 3 | 0.05 | +http://www.domaintuno.com/robot |
| 32 | 3 | 0.02 | 2 | 0.03 | +http://www.xovibot.net/ |
| 33 | 3 | 0.02 | 3 | 0.05 | Linux i586 [unknown version] |
| 34 | 2 | 0.01 | 2 | 0.03 | Android |
| 35 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 37 | 2 | 0.01 | 2 | 0.03 | +https://www.domaintuno.com/robot |
| 38 | 2 | 0.01 | 1 | 0.02 | +; |
| 39 | 1 | 0.01 | 0 | 0.00 | i686 Linux; 20020708 |
| 40 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 1 | 0.01 | 1 | 0.02 | Macintosh PPC |
| 42 | 1 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 43 | 1 | 0.01 | 1 | 0.02 | PPC Mac OS X Mach-O |
