In today's era , if you have any type of business and you are selling anything your service or products you must have an online existance. You must have some online space where people can find you with just few clicks and based on your service or your products. You can register yourself to the online world by creating an website. Website can be a showcase , an ecommerce store or a blogging site to engage with and attract more customers. Websites can be of 2 types :

1. Static : Static website means where the content or code written once doesn't gets changed. It shows the same content written in code and users cannot interact with the content. For example : any blogging site
2. Dynamic : Where customers can interact with the websites , the contents gets changed with the actions of customers , eg. an ecommerce site where customers can change the list or grid views of catalog , add to cart etc.