| Used Operating Systems |
| 1 | 28816 | 41.43 | 305 | 1.78 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 14521 | 20.88 | 9577 | 56.00 | +http://ahrefs.com/robot/ |
| 3 | 5484 | 7.88 | 1820 | 10.64 | Windows NT |
| 4 | 3755 | 5.40 | 1337 | 7.82 | +http://www.google.com/bot.html |
| 5 | 3298 | 4.74 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 3133 | 4.50 | 156 | 0.91 | +http://yandex.com/bots |
| 7 | 3004 | 4.32 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 2904 | 4.18 | 2683 | 15.69 | +http://www.baidu.com/search/spider.html |
| 9 | 1729 | 2.49 | 381 | 2.23 | +http://www.bing.com/bingbot.htm |
| 10 | 1208 | 1.74 | 9 | 0.05 | +http://www.warebay.com/bot.html |
| 11 | 352 | 0.51 | 178 | 1.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 335 | 0.48 | 84 | 0.49 | +http://www.linkdex.com/bots/ |
| 13 | 279 | 0.40 | 134 | 0.78 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 251 | 0.36 | 161 | 0.94 | +http://www.xovibot.net/ |
| 15 | 98 | 0.14 | 78 | 0.46 | Windows 95 |
| 16 | 63 | 0.09 | 19 | 0.11 | +http://www.exabot.com/go/robot |
| 17 | 58 | 0.08 | 25 | 0.15 | Windows XP |
| 18 | 55 | 0.08 | 20 | 0.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 49 | 0.07 | 29 | 0.17 | Windows 98 |
| 20 | 17 | 0.02 | 16 | 0.09 | Windows 2000 |
| 21 | 16 | 0.02 | 5 | 0.03 | X11 |
| 22 | 14 | 0.02 | 13 | 0.08 | Auto; Windows |
| 23 | 12 | 0.02 | 8 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 24 | 12 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 11 | 0.02 | 7 | 0.04 | Windows 3.1 |
| 26 | 10 | 0.01 | 10 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 27 | 10 | 0.01 | 2 | 0.01 | Android 2.3.5 |
| 28 | 10 | 0.01 | 2 | 0.01 | PPC Mac OS X 10.5 |
| 29 | 10 | 0.01 | 5 | 0.03 | +http://help.coccoc.com/searchengine |
| 30 | 8 | 0.01 | 7 | 0.04 | Windows CE |
| 31 | 8 | 0.01 | 8 | 0.05 | Windows ME |
| 32 | 7 | 0.01 | 7 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 33 | 4 | 0.01 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 34 | 3 | 0.00 | 2 | 0.01 | +http://www.uptime.com/uptimebot |
| 35 | 3 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/ |
| 36 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 37 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 39 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 40 | 1 | 0.00 | 1 | 0.01 | Windows 92 |
| 41 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
