class HTMLProofer::Cache

def add_external(url, filenames, status_code, msg)
  return unless enabled?
  found = status_code.between?(200, 299)
  clean_url = cleaned_url(url)
  @cache_log[:external][clean_url] =
    { time: @cache_time.to_s, found: found, status_code: status_code, message: msg, metadata: filenames }
end