If you use WordPress blog to publish content.
You can change permalink structure with WordPress from http://example.com/p?=218 to http://example.com/this-is-post/
You can add seo friendly titles for your contents.
You can also add unique Meta Descriptions by adding related plugin which will help you in terms of SEO.
You can generate an XML Sitemap using plugin which can be submitted to Google webmaster tools to get more benefit.
You can use categories and tags. Add categories to menu which will help in better site structure.