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/",
  %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,
  url_ignore: url_ignores,
  check_html: true,
  check_opengraph: true,
  check_img_http: true,
  favicon: true,
  assume_extension: true,
  only_4xx: true,
  http_status_ignore: [429]
).run