| Used Operating Systems |
| 1 | 14637 | 78.45 | 172 | 5.87 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2524 | 13.53 | 2124 | 72.52 | +http://www.baidu.com/search/spider.html |
| 3 | 608 | 3.26 | 327 | 11.16 | +http://www.bing.com/bingbot.htm |
| 4 | 496 | 2.66 | 142 | 4.85 | +http://www.google.com/bot.html |
| 5 | 141 | 0.76 | 63 | 2.15 | Windows NT |
| 6 | 69 | 0.37 | 42 | 1.43 | +http://www.linkdex.com/bots/ |
| 7 | 26 | 0.14 | 2 | 0.07 | +http://filterdb.iss.net/crawler/ |
| 8 | 26 | 0.14 | 4 | 0.14 | +http://ahrefs.com/robot/ |
| 9 | 24 | 0.13 | 7 | 0.24 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 18 | 0.10 | 4 | 0.14 | +http://yandex.com/bots |
| 11 | 15 | 0.08 | 5 | 0.17 | Linux [unknown version] |
| 12 | 12 | 0.06 | 4 | 0.14 | http://www.searchmetrics.com/en/searchme... |
| 13 | 10 | 0.05 | 5 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 10 | 0.05 | 4 | 0.14 | +info@netcraft.com |
| 15 | 8 | 0.04 | 4 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 6 | 0.03 | 3 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 17 | 6 | 0.03 | 4 | 0.14 | +http://www.semrush.com/bot.html |
| 18 | 4 | 0.02 | 4 | 0.14 | http://nmap.org/book/nse.html |
| 19 | 4 | 0.02 | 4 | 0.14 | Linux i686 [unknown version] |
| 20 | 4 | 0.02 | 2 | 0.07 | +http://webmeup-crawler.com/ |
| 21 | 4 | 0.02 | 2 | 0.07 | +http://www.exabot.com/go/robot |
| 22 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 2 | 0.01 | 0 | 0.00 | Windows 98 |
| 24 | 1 | 0.01 | 1 | 0.03 | Linux i586 [unknown version] |
