It is a plugin in WordPress and helps in improving the reach and performance of the blog. It’s a very good plugin to manage content and ensure that your articles look good to both the users and the search engines. Simply connect the plugin to your blog and go down to the bottom f the article where you will see something like this:
You get to choose the keyword you will like to focus your content on. Click on edit snippet and you can change you on page content from here only. You can choose the URL slug which should be kept small and relevant. On page SEO features like title, the description can be edited easily with the focus keyword in mind. Yoast also gives Google preview of the blog on both desktop and mobile phones which you can edit accordingly.
If you scroll down below, you will see some Interesting analysis of the blog. All these help you in making the blog SEO friendly and you should aim to follow most of it.
The readability tab shows how readable the blog is. Remember, writing for print and online is different. Yoast helps you to follow the guidelines for online content writing.
You can also upgrade to the premium version of Yoast which provides 5 focus keywords to be pushed along with some other benefits.
I hope the whole article has not confused you and if it has, simply remember “The King Content married to the queen context” and that will solve all your problems for content. Create content king like and keep the queen context happy, rest everything will fall in line.