twitter/secureheaders — pull request #104 by reedloden (2014-08-15 02:21:20+00:00)
Title: Add support for new HSTS 'preload' option

@agl just made a new option for HSTS representing confirmation that a site wants to be included in a browser's preload list (https://hstspreload.appspot.com).

This just adds a new 'preload' option to the HSTS settings to specify that option.