html-proofer

#!/usr/bin/env ruby

require "bundler/setup"
require "html-proofer"

url_ignores = [
  "https://okdistribute.xyz/post/okf-de",
  "https://www.drupal.org/community-initiatives/drupal-core/usability",
  "https://scripts.sil.org/ofl",
  "https://the-orbit.net/almostdiamonds/2014/04/10/so-youve-got-yourself-a-policy-now-what/",
  "https://pages.18f.gov/open-source-guide/making-readmes-readable/",
  "https://foundation.mozilla.org/en/blog/its-a-wrap-movement-building-from-home/",
  "https://sloan.org/programs/digital-technology",
  %r{^https?://readwrite\.com/2014/10/10/open-source-diversity-how-to-contribute/},
  %r{^https?://twitter\.com/},
  %r{^https?://(www\.)?kickstarter\.com/},
  %r{^https://guides\.github\.com/},
  %r{^https://help\.github\.com/},
  %r{^https://github\.com/},
  %r{^https?://(www\.)?reddit\.com},
]

HTMLProofer::Runner.new(
  ["_site"],
  parallel: { in_threads: 4 },
  type: :directory,
  ignore_urls: url_ignores,
  check_html: true,
  check_opengraph: true,
  favicon: true,
  assume_extension: true,
  allow_missing_href: true,
  enforce_https: false,
  only_4xx: true,
  ignore_status_codes: [429]
).run