| Used Operating Systems |
| 1 | 1767 | 40.53 | 178 | 14.37 | +http://yandex.com/bots |
| 2 | 778 | 17.84 | 274 | 22.11 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 404 | 9.27 | 207 | 16.71 | +http://www.bing.com/bingbot.htm |
| 4 | 347 | 7.96 | 170 | 13.72 | +http://www.google.com/bot.html |
| 5 | 231 | 5.30 | 93 | 7.51 | Windows NT |
| 6 | 194 | 4.45 | 42 | 3.39 | +http://www.semrush.com/bot.html |
| 7 | 140 | 3.21 | 63 | 5.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 125 | 2.87 | 123 | 9.93 | +http://www.baidu.com/search/spider.html |
| 9 | 56 | 1.28 | 11 | 0.89 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 54 | 1.24 | 6 | 0.48 | +http://OpenLinkProfiler.org/bot |
| 11 | 36 | 0.83 | 4 | 0.32 | +https://www.dataprovider.com/ |
| 12 | 32 | 0.73 | 4 | 0.32 | +http://www.seokicks.de/robot.html |
| 13 | 29 | 0.67 | 5 | 0.40 | Windows 98 |
| 14 | 24 | 0.55 | 11 | 0.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 22 | 0.50 | 11 | 0.89 | +http://www.exabot.com/go/robot |
| 16 | 20 | 0.46 | 2 | 0.16 | +http://www.warebay.com/bot.html |
| 17 | 16 | 0.37 | 5 | 0.40 | +http://ahrefs.com/robot/ |
| 18 | 16 | 0.37 | 2 | 0.16 | +http://megaindex.com/crawler |
| 19 | 14 | 0.32 | 2 | 0.16 | Linux [unknown version] |
| 20 | 13 | 0.30 | 2 | 0.16 | +http://siteexplorer.info/ |
| 21 | 9 | 0.21 | 8 | 0.65 | Windows 95 |
| 22 | 8 | 0.18 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 23 | 4 | 0.09 | 2 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 4 | 0.09 | 2 | 0.16 | +info@netcraft.com |
| 25 | 4 | 0.09 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 2 | 0.05 | 2 | 0.16 | Windows CE |
| 27 | 2 | 0.05 | 2 | 0.16 | http://nmap.org/book/nse.html |
| 28 | 2 | 0.05 | 2 | 0.16 | Windows ME |
| 29 | 2 | 0.05 | 1 | 0.08 | +spider@seoscanners.net |
| 30 | 2 | 0.05 | 2 | 0.16 | +http://www.grapeshot.co.uk/crawler.php |
| 31 | 1 | 0.02 | 1 | 0.08 | +http://glutenfreepleasure.com/ |
| 32 | 1 | 0.02 | 1 | 0.08 | Windows XP |
| 33 | 1 | 0.02 | 1 | 0.08 | MSIE 5.5; Windows NT 4.0 |
