| Used Operating Systems by Visits |
| 1 | 68123 | 20.71 | 54654 | 63.12 | +http://ahrefs.com/robot/ |
| 2 | 42294 | 12.86 | 25882 | 29.89 | +http://www.baidu.com/search/spider.html |
| 3 | 24689 | 7.51 | 2799 | 3.23 | Windows NT |
| 4 | 1901 | 0.58 | 820 | 0.95 | +http://www.google.com/bot.html |
| 5 | 86859 | 26.41 | 666 | 0.77 | +http://yandex.com/bots |
| 6 | 3426 | 1.04 | 612 | 0.71 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 93384 | 28.39 | 441 | 0.51 | http://mj12bot.com/ |
| 8 | 658 | 0.20 | 254 | 0.29 | +http://www.bing.com/bingbot.htm |
| 9 | 1269 | 0.39 | 213 | 0.25 | +http://www.linkdex.com/bots/ |
| 10 | 41 | 0.01 | 40 | 0.05 | Windows 95 |
| 11 | 118 | 0.04 | 40 | 0.05 | +http://www.profound.net/domainappender |
| 12 | 3907 | 1.19 | 25 | 0.03 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 109 | 0.03 | 17 | 0.02 | +http://www.semrush.com/bot.html |
| 14 | 28 | 0.01 | 17 | 0.02 | Windows 98 |
| 15 | 46 | 0.01 | 16 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 13 | 0.00 | 12 | 0.01 | +info@netcraft.com |
| 17 | 8 | 0.00 | 8 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 18 | 13 | 0.00 | 7 | 0.01 | +http://sur.ly/bot.html |
| 19 | 7 | 0.00 | 7 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 20 | 6 | 0.00 | 6 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 21 | 5 | 0.00 | 5 | 0.01 | Windows 2000 |
| 22 | 5 | 0.00 | 5 | 0.01 | Windows CE |
| 23 | 5 | 0.00 | 5 | 0.01 | Auto; Windows |
| 24 | 8 | 0.00 | 5 | 0.01 | Windows XP |
| 25 | 11 | 0.00 | 5 | 0.01 | +http://www.uptime.com/uptimebot |
| 26 | 15 | 0.00 | 4 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 17 | 0.01 | 4 | 0.00 | +http://www.exabot.com/go/robot |
| 28 | 1874 | 0.57 | 3 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 29 | 3 | 0.00 | 3 | 0.00 | Windows ME |
| 30 | 2 | 0.00 | 2 | 0.00 | Windows 3.1 |
| 31 | 9 | 0.00 | 1 | 0.00 | crawler@mixrank.com |
| 32 | 1 | 0.00 | 1 | 0.00 | +http://glutenfreepleasure.com/ |
| 33 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 35 | 4 | 0.00 | 1 | 0.00 | +http://www.seokicks.de/robot.html |
| 36 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 37 | 2 | 0.00 | 1 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 4 | 0.00 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 39 | 4 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 40 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |