def normalize_keywords(keywords)
      keywords = cleanup_strings(keywords)
      return '' if keywords.blank?

      keywords.each(&:downcase!) if MetaTags.config.keywords_lowercase
      separator = cleanup_string MetaTags.config.keywords_separator, strip: false

      keywords = truncate_array(keywords, MetaTags.config.keywords_limit, separator)
      safe_join(keywords, separator)
    end
def normalize_keywords(keywords)
      keywords = cleanup_strings(keywords)
      return '' if keywords.blank?

      keywords.each(&:downcase!) if MetaTags.config.keywords_lowercase
      separator = cleanup_string MetaTags.config.keywords_separator, strip: false

      keywords = truncate_array(keywords, MetaTags.config.keywords_limit, separator)
      safe_join(keywords, separator)
    end
Normalize keywords value.

 @param [String, Array<String>] keywords list of keywords as a string or Array.
 @return [String] list of keywords joined with comma, with tags removed.