| Used Operating Systems |
| 1 | 42847 | 42.38 | 445 | 4.41 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 21711 | 21.47 | 6159 | 61.06 | +http://ahrefs.com/robot/ |
| 3 | 11012 | 10.89 | 2055 | 20.37 | +http://www.baidu.com/search/spider.html |
| 4 | 10914 | 10.80 | 567 | 5.62 | Windows NT |
| 5 | 6612 | 6.54 | 2 | 0.02 | +http://megaindex.com/crawler |
| 6 | 1963 | 1.94 | 5 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 7 | 1793 | 1.77 | 217 | 2.15 | +http://yandex.com/bots |
| 8 | 1209 | 1.20 | 8 | 0.08 | +http://siteexplorer.info/ |
| 9 | 650 | 0.64 | 137 | 1.36 | +http://www.linkdex.com/bots/ |
| 10 | 621 | 0.61 | 79 | 0.78 | +http://www.bing.com/bingbot.htm |
| 11 | 354 | 0.35 | 126 | 1.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 325 | 0.32 | 5 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 13 | 268 | 0.27 | 113 | 1.12 | +http://www.google.com/bot.html |
| 14 | 198 | 0.20 | 69 | 0.68 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 170 | 0.17 | 7 | 0.07 | Windows 95 |
| 16 | 112 | 0.11 | 2 | 0.02 | Windows CE |
| 17 | 111 | 0.11 | 3 | 0.03 | Windows 3.1 |
| 18 | 90 | 0.09 | 18 | 0.18 | +http://www.semrush.com/bot.html |
| 19 | 46 | 0.05 | 19 | 0.19 | +http://www.exabot.com/go/robot |
| 20 | 39 | 0.04 | 9 | 0.09 | Windows 98 |
| 21 | 12 | 0.01 | 11 | 0.11 | Windows XP |
| 22 | 12 | 0.01 | 4 | 0.04 | +spider@seoscanners.net |
| 23 | 6 | 0.01 | 6 | 0.06 | +http://www.xovibot.net/ |
| 24 | 6 | 0.01 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 25 | 5 | 0.00 | 5 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 26 | 3 | 0.00 | 3 | 0.03 | Windows 2000 |
| 27 | 3 | 0.00 | 3 | 0.03 | +http://sur.ly/bot.html |
| 28 | 3 | 0.00 | 3 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 29 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 31 | 1 | 0.00 | 1 | 0.01 | Android |
| 32 | 1 | 0.00 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 33 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
