A meta description is an HTML attribute that provides a brief summary of a web page's content. It appears in search engine results beneath the meta title and URL, giving potential visitors a preview of what they'll find if they click through.
While meta descriptions don't directly affect your search rankings, they have a significant impact on click-through rates. A well-written description can be the difference between someone clicking your link or choosing a competitor's.
Meta descriptions should be between 120 and 155 characters, clearly describe the page content, include a relevant keyword naturally, and ideally include a reason for the user to click (like a benefit or call to action).
If you don't set a meta description, Google will automatically pull a snippet from your page content. This auto-generated text is often less persuasive than something you've written deliberately.