Yoast plugin as an SEO Tool

Yoast Plugin is one of the most valuable tools can be used for SEO. Its a popular WordPress plugin used worldwide, it is very easy to understand and will help you to make your website search engine friendly. this plugin can only be used in the paid version of WordPress. Yoast gives you an overall performance report about your website.
Features of Yoast Plugin
Analysis results
Yoast provides comments on your analysis results. It tells about the action you have taken to improve your site for the purpose of SEO, whether it is good or bad and what might be your next move to make it better. The following are the key factors considered by Yoast.
Keyphrase in subheading: Yoast indicates the presence of the keyword in the subsequent subheading of the page.
Keyphrase in the title: The presence of the keyword in the title of the webpage.
Outbound links: The link outside of the website is a mandatory factor for best SEO practice.
Internal links: Yoast indicates the need for links inside your pages.

Keyphrase in the introduction: Keyword must be included in the introduction part of the article.
Keyphrase length: The length of the keyword must be enough long and not too short.
Keyphrase density: The number of times the keyword present in the post.
Keyphrase in meta description: For best SEO practice keyword presence necessary in Meta description.
Meta description length: Length should be enough long.

Previously used keyphrase: Never use previously used keyword in the page
Image alt attributes: Alt name for the image should be given as appropriate for the context
Text length: The length of the text must be greater than 300 words.
SEO title width: An SEO title within 512 pixels range is more suitable.