There are so many different ways you can optimize your website performance. You may think why we need to worry about website performance when internet connection speed is growing faster and faster. Just few examples: Google did a test, if their search page is 500ms slower then they are going to lose 20% their traffic. If Amazon runs 100ms slower then there is 1% drop in their sales which is nearly $1 million a day. So it is important build the website which are fast in response time.