code: @Override
  	public ReadableInstant getLastModified(
  		ServletContext servletContext,
  		HttpServletRequest request,
  		HttpServletResponse response,
  		Page page
  	) throws ServletException, IOException {
  		List<News> news = NewsUtils.findAllNews(servletContext, request, response, page);
  		return news.isEmpty() ? null : news.get(0).getPubDate();
  	}
docs: The last modified time of news view is the pubDate of the most recent news entry.