What Is Blog SEO? Blog SEO is the process of writing, optimizing, and publishing blogs designed to rank in search engines like Google and Bing. Common tasks associated with blog SEO include:Performing keyword researchCreating quality contentOptimizing content for on-page SEOBuilding backlinksWhy Is Blog SEO Important? But optimizing your blog for SEO can earn you free traffic from search engines. Because you want people to click on your blog post once it ranks in search results, your meta description should be compelling.