Using Flash, Bet365 had to develop multiple sites to support users on different browsers, including IE6, IE10, Chrome and a WAP site. Bet365 also developed separate sites for smartphones and tablets, to maximize screen estate based on these devices. HTML 5 on other hand is extensible, allowing developers to create a site using CSS3 to adapt to the capabilities of the device. Web pages can be served in a much easier way to tailor to customer experience. Read all about how and why Bet365 made the move right here.