Title tags, or technically called title element, is required for HTML or any web page document. This provides a concise and an accurate description of the overall web page content, and appears in three essential places, namely: browsers, SERPs and external websites.
Meta tags, such as keywords and descriptions are important page descriptors. While there is still an ongoing debate on which among the tags are most important, experts concur that when these are implemented incorrectly, your page will not show-up in the seach pages. More importantly, these are search marketing advertisements that have the capacity to influence the website’s SEO rankings.