| Used Operating Systems |
| 1 | 6187 | 27.49 | 3421 | 46.99 | +http://ahrefs.com/robot/ |
| 2 | 3005 | 13.35 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 3 | 2216 | 9.85 | 49 | 0.67 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1946 | 8.65 | 1786 | 24.53 | +http://www.baidu.com/search/spider.html |
| 5 | 1932 | 8.59 | 694 | 9.53 | Windows NT |
| 6 | 1850 | 8.22 | 51 | 0.70 | http://mj12bot.com/ |
| 7 | 1392 | 6.19 | 300 | 4.12 | +http://www.google.com/bot.html |
| 8 | 1220 | 5.42 | 279 | 3.83 | +http://www.bing.com/bingbot.htm |
| 9 | 721 | 3.20 | 161 | 2.21 | +http://www.linkdex.com/bots/ |
| 10 | 527 | 2.34 | 112 | 1.54 | +http://yandex.com/bots |
| 11 | 472 | 2.10 | 107 | 1.47 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 253 | 1.12 | 123 | 1.69 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 221 | 0.98 | 4 | 0.05 | +http://www.seokicks.de/robot.html |
| 14 | 138 | 0.61 | 62 | 0.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 88 | 0.39 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 16 | 83 | 0.37 | 29 | 0.40 | Windows XP |
| 17 | 62 | 0.28 | 29 | 0.40 | Windows 95 |
| 18 | 30 | 0.13 | 15 | 0.21 | +http://duckduckgo.com |
| 19 | 27 | 0.12 | 3 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 20 | 20 | 0.09 | 0 | 0.00 | +http://www.xovibot.net/ |
| 21 | 20 | 0.09 | 10 | 0.14 | Windows 98 |
| 22 | 13 | 0.06 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 23 | 11 | 0.05 | 4 | 0.05 | Windows CE |
| 24 | 10 | 0.04 | 1 | 0.01 | https://www.dataprovider.com/spider/ |
| 25 | 10 | 0.04 | 8 | 0.11 | Windows ME |
| 26 | 9 | 0.04 | 5 | 0.07 | Windows 2000 |
| 27 | 8 | 0.04 | 4 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 28 | 8 | 0.04 | 3 | 0.04 | +http://www.exabot.com/go/robot |
| 29 | 6 | 0.03 | 2 | 0.03 | Auto; Windows |
| 30 | 4 | 0.02 | 2 | 0.03 | Windows 3.1 |
| 31 | 3 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 32 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 33 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 35 | 1 | 0.00 | 1 | 0.01 | Windows Mobile |
| 36 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
