| Used Operating Systems |
| 1 | 19093 | 60.91 | 212 | 3.05 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5995 | 19.12 | 4694 | 67.64 | +http://www.baidu.com/search/spider.html |
| 3 | 2922 | 9.32 | 1014 | 14.61 | Windows NT |
| 4 | 905 | 2.89 | 305 | 4.39 | +http://www.bing.com/bingbot.htm |
| 5 | 877 | 2.80 | 275 | 3.96 | +http://www.google.com/bot.html |
| 6 | 429 | 1.37 | 78 | 1.12 | +http://yandex.com/bots |
| 7 | 333 | 1.06 | 68 | 0.98 | +http://www.linkdex.com/bots/ |
| 8 | 100 | 0.32 | 54 | 0.78 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 70 | 0.22 | 50 | 0.72 | +http://www.uptime.com/uptimebot |
| 10 | 60 | 0.19 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 11 | 58 | 0.19 | 19 | 0.27 | +http://fulltext.sblog.cz/ |
| 12 | 57 | 0.18 | 13 | 0.19 | +http://www.semrush.com/bot.html |
| 13 | 55 | 0.18 | 19 | 0.27 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 40 | 0.13 | 19 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 36 | 0.11 | 2 | 0.03 | +http://www.privacyaware.org |
| 16 | 30 | 0.10 | 14 | 0.20 | +http://ahrefs.com/robot/ |
| 17 | 28 | 0.09 | 4 | 0.06 | Linux i686 [unknown version] |
| 18 | 28 | 0.09 | 2 | 0.03 | +http://megaindex.com/crawler |
| 19 | 26 | 0.08 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 20 | 24 | 0.08 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 21 | 23 | 0.07 | 10 | 0.14 | Windows 98 |
| 22 | 22 | 0.07 | 10 | 0.14 | +http://duckduckgo.com |
| 23 | 17 | 0.05 | 12 | 0.17 | http://www.bing.com/bingbot.htm |
| 24 | 16 | 0.05 | 1 | 0.01 | +http://www.linkpad.ru |
| 25 | 15 | 0.05 | 13 | 0.19 | Windows 95 |
| 26 | 14 | 0.04 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 27 | 13 | 0.04 | 3 | 0.04 | http://nmap.org/book/nse.html |
| 28 | 11 | 0.04 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 29 | 8 | 0.03 | 8 | 0.12 | Windows XP |
| 30 | 8 | 0.03 | 4 | 0.06 | +http://www.exabot.com/go/robot |
| 31 | 6 | 0.02 | 6 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 32 | 5 | 0.02 | 4 | 0.06 | Windows 2000 |
| 33 | 3 | 0.01 | 3 | 0.04 | Windows ME |
| 34 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 35 | 3 | 0.01 | 3 | 0.04 | Macintosh |
| 36 | 3 | 0.01 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 37 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 38 | 2 | 0.01 | 2 | 0.03 | Android 2.3.5 |
| 39 | 2 | 0.01 | 1 | 0.01 | FreeBSD 4.x |
| 40 | 2 | 0.01 | 0 | 0.00 | AmigaOS/MC680x0 |
| 41 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 1 | 0.00 | 0 | 0.00 | +; |
| 44 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
