| Used Operating Systems |
| 1 | 58687 | 38.17 | 301 | 1.34 | http://mj12bot.com/ |
| 2 | 28847 | 18.76 | 700 | 3.11 | +http://yandex.com/bots |
| 3 | 25559 | 16.62 | 491 | 2.18 | Windows NT |
| 4 | 21308 | 13.86 | 15252 | 67.81 | +http://ahrefs.com/robot/ |
| 5 | 5080 | 3.30 | 3930 | 17.47 | +http://www.baidu.com/search/spider.html |
| 6 | 4006 | 2.61 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 3452 | 2.25 | 1 | 0.00 | +http://megaindex.com/crawler |
| 8 | 2325 | 1.51 | 931 | 4.14 | +http://www.google.com/bot.html |
| 9 | 1924 | 1.25 | 316 | 1.40 | +http://www.linkdex.com/bots/ |
| 10 | 1338 | 0.87 | 326 | 1.45 | +http://www.bing.com/bingbot.htm |
| 11 | 326 | 0.21 | 90 | 0.40 | +spider@seoscanners.net |
| 12 | 252 | 0.16 | 75 | 0.33 | +http://www.exabot.com/go/robot |
| 13 | 250 | 0.16 | 1 | 0.00 | Linux [unknown version] |
| 14 | 102 | 0.07 | 7 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 15 | 75 | 0.05 | 24 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 68 | 0.04 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 17 | 45 | 0.03 | 2 | 0.01 | +http://sur.ly/bot.html |
| 18 | 29 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 13 | 0.01 | 12 | 0.05 | +info@netcraft.com |
| 20 | 12 | 0.01 | 3 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 7 | 0.00 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 22 | 7 | 0.00 | 0 | 0.00 | Windows 98 |
| 23 | 6 | 0.00 | 3 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 24 | 6 | 0.00 | 3 | 0.01 | +http://duckduckgo.com |
| 25 | 5 | 0.00 | 5 | 0.02 | +http://www.uptime.com/uptimebot |
| 26 | 4 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 27 | 3 | 0.00 | 3 | 0.01 | Windows 95 |
| 28 | 2 | 0.00 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 29 | 2 | 0.00 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 30 | 1 | 0.00 | 1 | 0.00 | Windows CE |
| 31 | 1 | 0.00 | 1 | 0.00 | +http://www.google.com/bot.html,Yahoo! S... |
| 32 | 1 | 0.00 | 0 | 0.00 | UrlCrawler; http://www.seomoz.org/dp/rog... |
| 33 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 34 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 35 | 1 | 0.00 | 1 | 0.00 | Windows 3.1 |
