This is the goal: zero Google Webmaster errors on the Structured Data page for your WordPress site!
If you use the fabulous Hueman theme, there are only a few simple changes you need to make.
Here’s a complete list of changes, straight from my own site, tanster.com!
1. content.php, content-standard.php, content-featured.php
Replace
<p class="post-date"><?php the_time('j M, Y'); ?></p>
With
<p class="post-date date updated"><?php the_time(get_option('date_format')); ?></p>
Replace
<h2 class="post-title">
With
<h2 class="post-title entry-title">
2. single.php
Replace
<h1 class="post-title"><?php the_title(); ?></h1>
With
<h1 class="post-title entry-title"><?php the_title(); ?></h1>
Replace
<p class="post-byline"><?php _e('by','hueman'); ?> <?php the_author_posts_link(); ?> · <?php the_time(get_option('date_format')); ?></p>
With
<p class="post-byline"><?php _e('by','hueman'); ?> <span class="vcard author"><span class="fn"><?php the_author_posts_link(); ?></span></span> · <span class="updated"><?php the_time(get_option('date_format')); ?></span></p>
3. inc/related-posts.php
Replace
<h4 class="post-title">
With
<h4 class="post-title entry-title">
Replace
<p class="post-date"><?php the_time('j M, Y'); ?></p>
With
<p class="post-date date updated"><?php the_time(get_option('date_format')); ?></p>