| Used Operating Systems |
| 1 | 17195 | 37.42 | 4340 | 61.71 | +http://ahrefs.com/robot/ |
| 2 | 9660 | 21.02 | 568 | 8.08 | Windows NT |
| 3 | 4451 | 9.69 | 9 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 4 | 2887 | 6.28 | 262 | 3.73 | +http://www.google.com/bot.html |
| 5 | 2189 | 4.76 | 39 | 0.55 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 1651 | 3.59 | 37 | 0.53 | http://mj12bot.com/ |
| 7 | 1622 | 3.53 | 828 | 11.77 | +http://www.baidu.com/search/spider.html |
| 8 | 1235 | 2.69 | 8 | 0.11 | +http://www.semrush.com/bot.html |
| 9 | 1104 | 2.40 | 112 | 1.59 | +http://www.bing.com/bingbot.htm |
| 10 | 968 | 2.11 | 524 | 7.45 | Intel Mac OS X 10.6 |
| 11 | 771 | 1.68 | 105 | 1.49 | +http://yandex.com/bots |
| 12 | 678 | 1.48 | 6 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 13 | 668 | 1.45 | 4 | 0.06 | +http://siteexplorer.info/ |
| 14 | 210 | 0.46 | 2 | 0.03 | +http://megaindex.com/crawler |
| 15 | 149 | 0.32 | 9 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 145 | 0.32 | 16 | 0.23 | +http://help.coccoc.com/searchengine |
| 17 | 126 | 0.27 | 40 | 0.57 | +http://www.linkdex.com/bots/ |
| 18 | 52 | 0.11 | 43 | 0.61 | Windows 95 |
| 19 | 40 | 0.09 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 20 | 0.04 | 15 | 0.21 | Windows 98 |
| 21 | 16 | 0.03 | 0 | 0.00 | +http://www.xovibot.net/ |
| 22 | 14 | 0.03 | 12 | 0.17 | Windows ME |
| 23 | 14 | 0.03 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 24 | 13 | 0.03 | 1 | 0.01 | https://www.dataprovider.com/spider/ |
| 25 | 12 | 0.03 | 4 | 0.06 | +http://www.exabot.com/go/robot |
| 26 | 10 | 0.02 | 10 | 0.14 | Windows 2000 |
| 27 | 10 | 0.02 | 10 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 28 | 7 | 0.02 | 6 | 0.09 | Windows CE |
| 29 | 5 | 0.01 | 5 | 0.07 | Auto; Windows |
| 30 | 4 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 31 | 4 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 32 | 4 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 4 | 0.01 | 3 | 0.04 | X11 |
| 34 | 2 | 0.00 | 2 | 0.03 | Windows 3.1 |
| 35 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 36 | 2 | 0.00 | 2 | 0.03 | PPC Mac OS X Mach-O |
| 37 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 39 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
