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Bridgetown Content Security Policy

Tests Gem Version

A Bridgetown plugin to include a Content Security Policy as a meta tag on all your pages.


Run this command to install this plugin:

$ bundle exec bridgetown apply


The plugin allows you to define one or more Content Security Policies using a convenient Ruby DSL.

The installation should create a content_security_policy.config.rb file in your project's config directory. More info about the DSL is contained in the file.

You can define a specific CSP for pages by setting content_security_policy: in your frontmatter; and then defining the relevent CSP in content_security_policy.config.rb.

All page specific CSPs will inherit from the default CSP.

Including the CSP on your web pages

You'll need to add a content_security_policy tag to your layout file(s) to include the CSP meta tag in all your pages. This plugin supports Liquid, ERB and other Tilt based templating languages like HAML or Slim.

  • Liquid templates: {% content_security_policy %}
  • ERB: <%= content_security_policy %>

Add the appropriate CSP tag in the head tag of your layout file to include the CSP on all your pages.


  • Run bundle exec rake test to run the test suite
  • Or run script/cibuild to validate with Rubocop and run tests together.


  1. Fork it (
  2. Clone the fork using git clone to your local development machine.
  3. Create your feature branch (git checkout -b my-new-feature)
  4. Commit your changes (git commit -am 'Add some feature')
  5. Push to the branch (git push origin my-new-feature)
  6. Create a new Pull Request


Bridgetown Content Security Policy is released under the MIT License.

Copyright © 2021 Ayush Newatia