Depending on which theme you’re using, you will need to locate and make changes to the single.php or functions.php file. Keep in mind all theme files can look different so not everyone’s code will look identical. The main concept is simple, you just need to add some classes to the html elements displaying the title, author and date. Think of these as temporary fixes as these errors are found in Google Webmaster Tools and are always subject to change as Google changes. Alright, let’s get into fixing missing: author, missing: title and missing: updated errors in WordPress.
How to Fix Missing: Updated error in WordPress
Add the class “updated” next to your entry-date or post_date class (depending on what your theme files look like.
<a href="" title="" rel="bookmark"><time class="entry-date updated" datetime=""></time></a>
How to Fix Missing: Author error in WordPress
Add the classes “vcard” and “author” to your html element that wraps where you get_the_author.
<span class="author vcard"><a class="url fn n" href="" title="" rel="author"></a></span>
How to Fix Missing: Entry-Title error in WordPress
Add the class “entry-title” to the <h1> element that wraps where you get the_title for pages and posts.
<h1 class="entry-title"><?php the_title(); ?></h1>