| Used Operating Systems by Visits |
| 1 | 18236 | 25.92 | 13739 | 66.15 | +http://ahrefs.com/robot/ |
| 2 | 7465 | 10.61 | 4870 | 23.45 | +http://www.baidu.com/search/spider.html |
| 3 | 2046 | 2.91 | 974 | 4.69 | +http://www.google.com/bot.html |
| 4 | 2454 | 3.49 | 442 | 2.13 | Windows NT |
| 5 | 936 | 1.33 | 207 | 1.00 | +http://www.linkdex.com/bots/ |
| 6 | 493 | 0.70 | 178 | 0.86 | +http://www.bing.com/bingbot.htm |
| 7 | 16945 | 24.09 | 83 | 0.40 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 391 | 0.56 | 81 | 0.39 | +http://yandex.com/bots |
| 9 | 12094 | 17.19 | 72 | 0.35 | http://mj12bot.com/ |
| 10 | 63 | 0.09 | 22 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 29 | 0.04 | 14 | 0.07 | Windows 98 |
| 12 | 20 | 0.03 | 13 | 0.06 | Windows 95 |
| 13 | 8 | 0.01 | 7 | 0.03 | Windows ME |
| 14 | 6012 | 8.55 | 6 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 15 | 6 | 0.01 | 6 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 16 | 6 | 0.01 | 6 | 0.03 | Macintosh |
| 17 | 15 | 0.02 | 5 | 0.02 | +http://www.exabot.com/go/robot |
| 18 | 7 | 0.01 | 4 | 0.02 | Windows 3.1 |
| 19 | 5 | 0.01 | 4 | 0.02 | +info@netcraft.com |
| 20 | 5 | 0.01 | 3 | 0.01 | Windows 2000 |
| 21 | 3 | 0.00 | 3 | 0.01 | Auto; Windows |
| 22 | 3 | 0.00 | 3 | 0.01 | http://nmap.org/book/nse.html |
| 23 | 2 | 0.00 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 24 | 2 | 0.00 | 2 | 0.01 | Windows CE |
| 25 | 2 | 0.00 | 2 | 0.01 | OS/2 |
| 26 | 2 | 0.00 | 2 | 0.01 | MSIE 5.0; Windows 98; SiteCoach 1.0 |
| 27 | 2 | 0.00 | 2 | 0.01 | Linux 2.4.x |
| 28 | 2 | 0.00 | 2 | 0.01 | Windows XP |
| 29 | 2 | 0.00 | 2 | 0.01 | Solaris 8.x |
| 30 | 4 | 0.01 | 2 | 0.01 | PPC Mac OS X Mach-O |
| 31 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 32 | 4 | 0.01 | 2 | 0.01 | Linux i686 [unknown version] |
| 33 | 3053 | 4.34 | 2 | 0.01 | +http://megaindex.com/crawler |
| 34 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 35 | 2 | 0.00 | 2 | 0.01 | IRIX 6.x |
| 36 | 13 | 0.02 | 1 | 0.00 | https://www.dataprovider.com/spider/ |
| 37 | 6 | 0.01 | 1 | 0.00 | +http://sur.ly/bot.html |
| 38 | 1 | 0.00 | 1 | 0.00 | +http://www.uptime.com/uptimebot |
| 39 | 2 | 0.00 | 0 | 0.00 | RISC OS 4.02 |
| 40 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.00 | 0 | 0.00 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
