[1] IRC logs: freenode / #whatwg / 20100520 (6/9/2010, 12:59:51 PM 版) <http://krijnhoetmer.nl/irc-logs/whatwg/20100520#l-337>
[2] Content Security Policy Level 3 (8/1/2016, 9:14:23 AM) <https://www.w3.org/TR/2016/WD-CSP3-20160801/>
Google search: Content Security Policy