| Used Operating Systems |
| 1 | 13294 | 52.94 | 217 | 5.66 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3024 | 12.04 | 2034 | 53.08 | +http://www.baidu.com/search/spider.html |
| 3 | 2248 | 8.95 | 521 | 13.60 | Windows NT |
| 4 | 2078 | 8.27 | 332 | 8.66 | +http://www.google.com/bot.html |
| 5 | 1016 | 4.05 | 176 | 4.59 | +http://yandex.com/bots |
| 6 | 859 | 3.42 | 157 | 4.10 | +http://www.bing.com/bingbot.htm |
| 7 | 586 | 2.33 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 8 | 570 | 2.27 | 123 | 3.21 | +http://www.linkdex.com/bots/ |
| 9 | 298 | 1.19 | 3 | 0.08 | +http://megaindex.com/crawler |
| 10 | 279 | 1.11 | 4 | 0.10 | +http://webmeup-crawler.com/ |
| 11 | 178 | 0.71 | 26 | 0.68 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 165 | 0.66 | 23 | 0.60 | +http://ahrefs.com/robot/ |
| 13 | 104 | 0.41 | 8 | 0.21 | +http://fulltext.sblog.cz/ |
| 14 | 84 | 0.33 | 78 | 2.04 | +http://www.xovibot.net/ |
| 15 | 60 | 0.24 | 22 | 0.57 | Windows XP |
| 16 | 58 | 0.23 | 47 | 1.23 | +http://www.uptime.com/uptimebot |
| 17 | 24 | 0.10 | 2 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 24 | 0.10 | 9 | 0.23 | Windows 95 |
| 19 | 23 | 0.09 | 1 | 0.03 | +http://www.privacyaware.org |
| 20 | 21 | 0.08 | 3 | 0.08 | http://filterdb.iss.net/crawler/ |
| 21 | 19 | 0.08 | 7 | 0.18 | Windows 98 |
| 22 | 14 | 0.06 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 23 | 12 | 0.05 | 1 | 0.03 | Linux i686 [unknown version] |
| 24 | 10 | 0.04 | 5 | 0.13 | +http://www.exabot.com/go/robot |
| 25 | 7 | 0.03 | 3 | 0.08 | Auto; Windows |
| 26 | 6 | 0.02 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 27 | 6 | 0.02 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 28 | 6 | 0.02 | 3 | 0.08 | +http://duckduckgo.com |
| 29 | 5 | 0.02 | 4 | 0.10 | +info@netcraft.com |
| 30 | 4 | 0.02 | 2 | 0.05 | support.orangebot@orange.com |
| 31 | 4 | 0.02 | 2 | 0.05 | Windows CE |
| 32 | 4 | 0.02 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 33 | 4 | 0.02 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 34 | 4 | 0.02 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 35 | 3 | 0.01 | 0 | 0.00 | FreeBSD [unknown version] |
| 36 | 3 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 37 | 2 | 0.01 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 38 | 2 | 0.01 | 1 | 0.03 | +http://www.linkpad.ru |
| 39 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 40 | 1 | 0.00 | 1 | 0.03 | Windows 2000 |
| 41 | 1 | 0.00 | 1 | 0.03 | Linux [unknown version] |
