Hello friends!! Welcome to our channel HIGH-TECHDROID and this is BharathKrishna. Today, we are going to about what is Search Engine Optimisation(SEO), it’s categories and the uses in this video. Let’s get into the video. FRONT END AND BACK END: So, Before getting into Search Engine Optimisation, let’s have a look at website. A website comprises of both front end and back end. For example, I’ve opened an application called Facebook. In this, user interacts to the browser with which called the front end. Now if I give my username and password, the browser searches and gives the results. This is done with the help of an a support called back end. Front end is designed using HTML, CSS, PHP, etc., called as mark-up languages. Developing is done using C, C++, Java and recently even Python is being used. DIGITAL MARKETING: Next, there is a third concept called Digital Marketing. Digital Marketing simply means, when we launch our new website, users (ie., customers) do not have