WordPress by itself is search engine friendly, but an exclusive SEO plugin will add additional features to enhance your search engine ranking and better readability features.
To rank highly in search engines, you need to beat the competition. You need a better, faster, stronger website than the people who sell or do the same kinds of things as you.
‘Yoast SEO’ is the most-used WordPress SEO plugin, and has helped millions of people like you to get ahead, and to stay ahead.
Some of important features
SEO and Readability Analysis
Title and meta desciprtion control.
canonical URLs and meta tags.
Breadcrumb control and customization