svil4ok

Get tags on every single post (is_single()) and put them in meta keywords tag in header (wp_head()). Otherwise it’ll use the keywords define in $default_keywords. Get the_excerpt() and put it in meta description tag in header (wp_head()). Otherwise it’ll use the description define in $default_description.
Requires the wp_head() tag !

Meta Keywords & Description

gguo01

ADR Promotion Recommendations is a simple plugin that displays promotion recommendations based on page content. Highly relevant promotions are displayed automatically right below your post content. You can also drop it to your sidebar as a widget.
To display promotions, you need to register your site and email contact. Please go to https://www.adrelevantis.com/wp/plugin-register.php for details.

ADR Promotion Recommendations

This plugin displays relevant promotion recommendations below post content and allows you add them in sidebar as a widget.

Meta Keywords & Description vs ADR Promotion Recommendations