| Used Operating Systems |
| 1 | 19219 | 42.34 | 276 | 2.94 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11564 | 25.48 | 4934 | 52.61 | +http://ahrefs.com/robot/ |
| 3 | 3715 | 8.18 | 7 | 0.07 | +http://webmeup-crawler.com/ |
| 4 | 3173 | 6.99 | 743 | 7.92 | Windows NT |
| 5 | 2495 | 5.50 | 2129 | 22.70 | +http://www.baidu.com/search/spider.html |
| 6 | 1823 | 4.02 | 334 | 3.56 | +http://www.bing.com/bingbot.htm |
| 7 | 1479 | 3.26 | 137 | 1.46 | +http://yandex.com/bots |
| 8 | 908 | 2.00 | 419 | 4.47 | +http://www.google.com/bot.html |
| 9 | 406 | 0.89 | 108 | 1.15 | +http://www.linkdex.com/bots/ |
| 10 | 262 | 0.58 | 141 | 1.50 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 75 | 0.17 | 44 | 0.47 | Windows 95 |
| 12 | 58 | 0.13 | 18 | 0.19 | +http://www.semrush.com/bot.html |
| 13 | 31 | 0.07 | 13 | 0.14 | Windows XP |
| 14 | 25 | 0.06 | 5 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 15 | 23 | 0.05 | 12 | 0.13 | Windows 98 |
| 16 | 17 | 0.04 | 3 | 0.03 | +spider@seoscanners.net |
| 17 | 16 | 0.04 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 14 | 0.03 | 6 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 19 | 11 | 0.02 | 7 | 0.07 | Windows 3.1 |
| 20 | 11 | 0.02 | 8 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 21 | 8 | 0.02 | 5 | 0.05 | Windows ME |
| 22 | 8 | 0.02 | 4 | 0.04 | +http://duckduckgo.com |
| 23 | 6 | 0.01 | 4 | 0.04 | Auto; Windows |
| 24 | 6 | 0.01 | 2 | 0.02 | +https://www.aihitdata.com/about |
| 25 | 6 | 0.01 | 4 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 26 | 5 | 0.01 | 4 | 0.04 | Windows 2000 |
| 27 | 5 | 0.01 | 3 | 0.03 | +https://gimmeusa.com/crawler.html |
| 28 | 4 | 0.01 | 2 | 0.02 | Windows CE |
| 29 | 4 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 30 | 3 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 31 | 3 | 0.01 | 1 | 0.01 | +http://www.profound.net/domainappender |
| 32 | 3 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 33 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 35 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
