Meta Description Optimization is an SEO On-page strategy which is used to highlight the products and services of a particular page appeared in the SERP on related search queries. Further, meta description tag of a web page can be used in two forms, #1 for SEO benefits by targeting keywords and #2. To increase the number of clicks and conversions.
An ideal length of meta description of 155-160 characters, but sometimes search engines picks the more relevant one automatically from the content available on the particular web page and the relevancy is based on the search query of users.
HTML tag for Meta Description
<meta name=”description” content=”Your description up-to 155-160 characters”>