| Used Operating Systems |
| 1 | 9802 | 66.18 | 162 | 5.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2146 | 14.49 | 1976 | 63.68 | +http://www.baidu.com/search/spider.html |
| 3 | 1312 | 8.86 | 369 | 11.89 | Windows NT |
| 4 | 375 | 2.53 | 162 | 5.22 | +http://www.bing.com/bingbot.htm |
| 5 | 338 | 2.28 | 149 | 4.80 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 303 | 2.05 | 100 | 3.22 | +http://www.linkdex.com/bots/ |
| 7 | 215 | 1.45 | 48 | 1.55 | +http://yandex.com/bots |
| 8 | 163 | 1.10 | 52 | 1.68 | +http://www.google.com/bot.html |
| 9 | 23 | 0.16 | 11 | 0.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 20 | 0.14 | 11 | 0.35 | +http://www.exabot.com/go/robot |
| 11 | 14 | 0.09 | 4 | 0.13 | Linux [unknown version] |
| 12 | 12 | 0.08 | 5 | 0.16 | +http://duckduckgo.com |
| 13 | 9 | 0.06 | 9 | 0.29 | Windows 95 |
| 14 | 9 | 0.06 | 5 | 0.16 | +http://www.semrush.com/bot.html |
| 15 | 8 | 0.05 | 4 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 7 | 0.05 | 1 | 0.03 | http://filterdb.iss.net/crawler/ |
| 17 | 7 | 0.05 | 4 | 0.13 | Windows 98 |
| 18 | 6 | 0.04 | 2 | 0.06 | +http://webmeup-crawler.com/ |
| 19 | 5 | 0.03 | 5 | 0.16 | Windows CE |
| 20 | 5 | 0.03 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 21 | 4 | 0.03 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 22 | 4 | 0.03 | 4 | 0.13 | Windows 3.1 |
| 23 | 3 | 0.02 | 3 | 0.10 | Auto; Windows |
| 24 | 3 | 0.02 | 3 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 25 | 3 | 0.02 | 3 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 26 | 2 | 0.01 | 1 | 0.03 | Windows XP |
| 27 | 2 | 0.01 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 28 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 29 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 30 | 1 | 0.01 | 1 | 0.03 | Android 2.3.5 |
| 31 | 1 | 0.01 | 1 | 0.03 | +http://www.privacyaware.org |
| 32 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 1 | 0.01 | 0 | 0.00 | X11 |
| 34 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 35 | 1 | 0.01 | 1 | 0.03 | +http://megaindex.com/crawler |
| 36 | 1 | 0.01 | 1 | 0.03 | +http://www.uptime.com/uptimebot |
| 37 | 1 | 0.01 | 1 | 0.03 | +http://www.xovibot.net/ |
