| Used Operating Systems |
| 1 | 25594 | 72.38 | 453 | 9.68 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3681 | 10.41 | 771 | 16.48 | Windows NT |
| 3 | 2930 | 8.29 | 2362 | 50.49 | +http://www.baidu.com/search/spider.html |
| 4 | 779 | 2.20 | 192 | 4.10 | +http://yandex.com/bots |
| 5 | 554 | 1.57 | 129 | 2.76 | +http://www.linkdex.com/bots/ |
| 6 | 552 | 1.56 | 154 | 3.29 | +http://www.google.com/bot.html |
| 7 | 457 | 1.29 | 157 | 3.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 313 | 0.89 | 162 | 3.46 | +http://www.bing.com/bingbot.htm |
| 9 | 88 | 0.25 | 72 | 1.54 | Windows 95 |
| 10 | 59 | 0.17 | 22 | 0.47 | Windows 98 |
| 11 | 43 | 0.12 | 41 | 0.88 | +http://www.uptime.com/uptimebot |
| 12 | 28 | 0.08 | 13 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 28 | 0.08 | 4 | 0.09 | http://filterdb.iss.net/crawler/ |
| 14 | 26 | 0.07 | 13 | 0.28 | +http://www.exabot.com/go/robot |
| 15 | 20 | 0.06 | 13 | 0.28 | Auto; Windows |
| 16 | 20 | 0.06 | 10 | 0.21 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 19 | 0.05 | 16 | 0.34 | MSIE 5.5; Windows NT 4.0 |
| 18 | 17 | 0.05 | 14 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 19 | 16 | 0.05 | 12 | 0.26 | Windows ME |
| 20 | 15 | 0.04 | 11 | 0.24 | Windows CE |
| 21 | 13 | 0.04 | 6 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 13 | 0.04 | 3 | 0.06 | Windows XP |
| 23 | 12 | 0.03 | 11 | 0.24 | Windows 2000 |
| 24 | 12 | 0.03 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 25 | 11 | 0.03 | 7 | 0.15 | Windows 3.1 |
| 26 | 10 | 0.03 | 9 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 27 | 8 | 0.02 | 0 | 0.00 | Android |
| 28 | 6 | 0.02 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 29 | 6 | 0.02 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 30 | 4 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 31 | 4 | 0.01 | 2 | 0.04 | http://www.botje.com/plukkie.htm |
| 32 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 33 | 4 | 0.01 | 2 | 0.04 | +http://duckduckgo.com |
| 34 | 3 | 0.01 | 2 | 0.04 | +http://www.linkpad.ru |
| 35 | 3 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 36 | 2 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 37 | 2 | 0.01 | 2 | 0.04 | +http://megaindex.com/crawler |
| 38 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 39 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 0 | 0.00 | X11 |
| 41 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 42 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
