Description Meta Tag A must-have Every web page need this html tag. Information from the description tag is displayed by some search engines along with the title. In the example below, these pages don't have titles for some reason, but they do have descriptions. Description is used by search engines in their listing Search engines will display the first 20-30 words of text from your description tag.
Home page describes the site.
If your home page is meant to be an introduction to a larger web, it should have a description that describes the entire web site. Subpages should have descriptions unique to those pages. In the example below, even though these pages are all from the same web site, each has a unique title and description. But use the description to sell the page to a person, not a machine. The description should compel the web surfer want to visit your site.