| Used Operating Systems |
| 1 | 23894 | 55.18 | 434 | 8.40 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5517 | 12.74 | 444 | 8.59 | Windows NT |
| 3 | 3980 | 9.19 | 2139 | 41.41 | +http://www.baidu.com/search/spider.html |
| 4 | 2783 | 6.43 | 739 | 14.31 | +http://www.google.com/bot.html |
| 5 | 2227 | 5.14 | 483 | 9.35 | +http://www.bing.com/bingbot.htm |
| 6 | 2086 | 4.82 | 119 | 2.30 | +http://yandex.com/bots |
| 7 | 521 | 1.20 | 137 | 2.65 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 320 | 0.74 | 177 | 3.43 | +http://www.xovibot.net/ |
| 9 | 306 | 0.71 | 76 | 1.47 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 280 | 0.65 | 1 | 0.02 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 278 | 0.64 | 116 | 2.25 | +http://www.linkdex.com/bots/ |
| 12 | 232 | 0.54 | 5 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 13 | 154 | 0.36 | 62 | 1.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 149 | 0.34 | 34 | 0.66 | +http://www.semrush.com/bot.html |
| 15 | 94 | 0.22 | 46 | 0.89 | +http://ahrefs.com/robot/ |
| 16 | 64 | 0.15 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 17 | 63 | 0.15 | 20 | 0.39 | +http://corp.sputnik.ru/webmaster |
| 18 | 48 | 0.11 | 2 | 0.04 | +http://megaindex.com/crawler |
| 19 | 40 | 0.09 | 5 | 0.10 | +http://www.seokicks.de/robot.html |
| 20 | 34 | 0.08 | 33 | 0.64 | Windows 95 |
| 21 | 34 | 0.08 | 11 | 0.21 | +http://www.exabot.com/go/robot |
| 22 | 32 | 0.07 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 23 | 27 | 0.06 | 20 | 0.39 | Windows 98 |
| 24 | 26 | 0.06 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 25 | 21 | 0.05 | 3 | 0.06 | http://filterdb.iss.net/crawler/ |
| 26 | 18 | 0.04 | 4 | 0.08 | +http://siteexplorer.info/ |
| 27 | 14 | 0.03 | 6 | 0.12 | +http://www.profound.net/domainappender |
| 28 | 7 | 0.02 | 7 | 0.14 | Windows 3.1 |
| 29 | 6 | 0.01 | 6 | 0.12 | Windows CE |
| 30 | 6 | 0.01 | 6 | 0.12 | Auto; Windows |
| 31 | 6 | 0.01 | 4 | 0.08 | Windows XP |
| 32 | 4 | 0.01 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 34 | 4 | 0.01 | 2 | 0.04 | +http://www.findxbot.com |
| 35 | 4 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 36 | 3 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 37 | 3 | 0.01 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 38 | 2 | 0.00 | 2 | 0.04 | Win32 |
| 39 | 2 | 0.00 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 40 | 2 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 41 | 2 | 0.00 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 42 | 2 | 0.00 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 44 | 1 | 0.00 | 1 | 0.02 | Windows ME |
