what is search engine optimization ?

what is search engine optimization ? ANSWER TO THE ABOVE QUESTION Search engine optimization means optimizing your website so that it ranks higher in search engine search queries. it generally involved modifying metatags and using relavent keywords which have high hit ratio. But using keywords which are irrelavent to your website content will bring down your website ranking in search engines and may lead to blacklisting of your website. Creating more backlinks to your website is also an SEO strategy.