Before explore the What function meta tags do ? to lets find out What are meta tags?. Meta tags are kind of HTML tags that placed into the header on a web page, between title and body tags. There are variety of meta tags that serves various jobs. Meta tags pops out with different context such as search engine optimization. Commonly used meta tags are meta descriptions and meta keywords. I think you might heard of these or might not.

Meta descriptions is a kind of tag that can feed to search engines with little bit of information about what specific page include. Most search engines feeding their databases from this little bit of information and its only about 150 to 190 characters. You have to summarize whole page content in to 160 – 190 characters. Sounds like little bit tough but it can do. Most Search Engine Optimizers doing this really great.