| Used Operating Systems |
| 1 | 19360 | 58.95 | 305 | 7.91 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5208 | 15.86 | 6 | 0.16 | Windows XP |
| 3 | 4295 | 13.08 | 1964 | 50.91 | +http://ahrefs.com/robot/ |
| 4 | 1693 | 5.16 | 401 | 10.39 | Windows NT |
| 5 | 766 | 2.33 | 502 | 13.01 | +http://www.bing.com/bingbot.htm |
| 6 | 363 | 1.11 | 109 | 2.83 | +http://www.google.com/bot.html |
| 7 | 273 | 0.83 | 253 | 6.56 | +http://www.baidu.com/search/spider.html |
| 8 | 241 | 0.73 | 48 | 1.24 | +http://yandex.com/bots |
| 9 | 140 | 0.43 | 10 | 0.26 | +http://www.findxbot.com |
| 10 | 91 | 0.28 | 28 | 0.73 | +http://www.linkdex.com/bots/ |
| 11 | 90 | 0.27 | 90 | 2.33 | +http://www.xovibot.net/ |
| 12 | 65 | 0.20 | 32 | 0.83 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 56 | 0.17 | 4 | 0.10 | +http://webmeup-crawler.com/ |
| 14 | 48 | 0.15 | 17 | 0.44 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 21 | 0.06 | 19 | 0.49 | Windows 95 |
| 16 | 16 | 0.05 | 8 | 0.21 | +http://www.exabot.com/go/robot |
| 17 | 15 | 0.05 | 5 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 18 | 12 | 0.04 | 6 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 11 | 0.03 | 4 | 0.10 | Windows 98 |
| 20 | 10 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 21 | 8 | 0.02 | 4 | 0.10 | +https://deusu.de/robot.html |
| 22 | 7 | 0.02 | 7 | 0.18 | Windows CE |
| 23 | 6 | 0.02 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 24 | 5 | 0.02 | 3 | 0.08 | http://nmap.org/book/nse.html |
| 25 | 4 | 0.01 | 4 | 0.10 | Windows 3.1 |
| 26 | 4 | 0.01 | 4 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 27 | 3 | 0.01 | 3 | 0.08 | Windows 2000 |
| 28 | 3 | 0.01 | 3 | 0.08 | Windows ME |
| 29 | 3 | 0.01 | 3 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 30 | 3 | 0.01 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 31 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 32 | 3 | 0.01 | 3 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 33 | 3 | 0.01 | 1 | 0.03 | X11 |
| 34 | 2 | 0.01 | 2 | 0.05 | +http://glutenfreepleasure.com/ |
| 35 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.01 | 2 | 0.05 | +http://www.privacyaware.org |
| 37 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 1 | 0.00 | 1 | 0.03 | Auto; Windows |
| 39 | 1 | 0.00 | 1 | 0.03 | Linux [unknown version] |
| 40 | 1 | 0.00 | 1 | 0.03 | +http://www.uptime.com/uptimebot |
