| Used Operating Systems |
| 1 | 6268 | 52.95 | 2837 | 45.03 | Windows NT |
| 2 | 2135 | 18.04 | 1900 | 30.16 | +http://www.baidu.com/search/spider.html |
| 3 | 1644 | 13.89 | 760 | 12.06 | +http://www.google.com/bot.html |
| 4 | 718 | 6.07 | 401 | 6.37 | +http://www.bing.com/bingbot.htm |
| 5 | 204 | 1.72 | 108 | 1.71 | Windows 95 |
| 6 | 189 | 1.60 | 26 | 0.41 | +http://yandex.com/bots |
| 7 | 114 | 0.96 | 14 | 0.22 | Windows 98 |
| 8 | 42 | 0.35 | 14 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 38 | 0.32 | 22 | 0.35 | Windows ME |
| 10 | 33 | 0.28 | 0 | 0.00 | Windows XP |
| 11 | 33 | 0.28 | 23 | 0.37 | MSIE 5.5; Windows NT 5.0 |
| 12 | 31 | 0.26 | 19 | 0.30 | MSIE 5.5; Windows NT 4.0 |
| 13 | 30 | 0.25 | 2 | 0.03 | Windows |
| 14 | 30 | 0.25 | 22 | 0.35 | ) - BrowseX (2.0.0 Windows |
| 15 | 28 | 0.24 | 20 | 0.32 | Windows 2000 |
| 16 | 27 | 0.23 | 17 | 0.27 | Windows CE |
| 17 | 26 | 0.22 | 17 | 0.27 | Auto; Windows |
| 18 | 25 | 0.21 | 5 | 0.08 | +http://ahrefs.com/robot/ |
| 19 | 24 | 0.20 | 11 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 20 | 0.17 | 4 | 0.06 | +http://overx50.com |
| 21 | 18 | 0.15 | 11 | 0.17 | Windows 3.1 |
| 22 | 16 | 0.14 | 8 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 15 | 0.13 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 24 | 15 | 0.13 | 5 | 0.08 | +http://inload.me |
| 25 | 13 | 0.11 | 7 | 0.11 | X11 |
| 26 | 13 | 0.11 | 4 | 0.06 | +http://mydownloadengine.com |
| 27 | 12 | 0.10 | 2 | 0.03 | http://www.lipperhey.com/ |
| 28 | 12 | 0.10 | 6 | 0.10 | http://crawler.sistrix.net/ |
| 29 | 12 | 0.10 | 5 | 0.08 | +http://wmaid.com/explore/ |
| 30 | 9 | 0.08 | 3 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 31 | 8 | 0.07 | 4 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 32 | 8 | 0.07 | 7 | 0.11 | +info@netcraft.com |
| 33 | 6 | 0.05 | 2 | 0.03 | Android 2.3.5 |
| 34 | 4 | 0.03 | 1 | 0.02 | +http://uni5download.com |
| 35 | 4 | 0.03 | 4 | 0.06 | +http://fb02itsscan.fh-muenster.de |
| 36 | 4 | 0.03 | 3 | 0.05 | +http://gimme60.com |
| 37 | 4 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/ |
| 38 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 39 | 2 | 0.02 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
