This plugins used for the SEO optimisation .This is very simple method to optimise the post or pages.
This plugin will provide the space for written the focus key word ,Meta titles and meta description.
Here will shown the Yoast SEO Version 3.0.3
Now the new version 3.0.4 is available its having some little bit confusion for finding the space to add the meta titles and meta description. In this tutorial i will guide where it will find.
Refer the following images
In the above figure click on the snippet we can get the space to add meta title and meta description .I marked as “Titles” and “Meta Edit”.click on that space we can simply get the area for add title and meta.
This plugin all so provide the page or post analysis,for fully optimized WordPress site .
/?php echo get_the_author_meta('description'); ?>