Here are the most important meta tags, with tips on how to write meta tags for SEO. The meta description meta tag is also added in the "head" section of your HTML. How to Write Meta Descriptions for SEOFollow these tips to write description meta tags for your web pages. Your Meta Descriptions Aren't GuaranteedThe meta descriptions that you write are subject to Google's whims--or at least the direction of its algorithm that day. Remember to follow the tips on how to write meta tags for SEO to get the best results.