hey,You can try this. if you haven't tried yet.<meta name="tags" content="tag1, tag2" data-content="['tag1', 'tag2']" /> - Prince

Hi,Here you can find sightly specific style guide.you should use " " with meta tag.https://www.netcentric.biz/blog/aem-sightly-style-guide.html<meta name="author" content="Erik Grijzen" /> - Prince

Hi,Have you seen the below thread?http://help-forums.adobe.com/content/adobeforums/en/experience-manager-forum/adobe-experience-manager.topic.html/forum__cgwc-hi_how_to_achiev.htmlplease check if you found the same issue.- Prince