document.write('<div class="rss-box">');
document.write('<p class="rss-item"><em>Error:</em> Feed failed! Causes may be (1) No data  found for RSS feed https://groups.google.com/g/mastering-seo/c/ZlsXZiFNFTs/; (2) There are no items are available for this feed; (3) The RSS feed does not validate.<br /><br /> Please verify that the URL <a href="https://groups.google.com/g/mastering-seo/c/ZlsXZiFNFTs/">https://groups.google.com/g/mastering-seo/c/ZlsXZiFNFTs/</a> works first in your browser and that the feed passes a <a href="http://feedvalidator.org/check.cgi?url=https%3A%2F%2Fgroups.google.com%2Fg%2Fmastering-seo%2Fc%2FZlsXZiFNFTs%2F">validator test</a>.</p></div>');