111. Web Development and Design › developing – technology gives it lifeFinally, using a CMS that supports standards compliant HTML and CSS isvery important, as without it, inconsistencies may be rendered across variousbrowsers. It also ensures faster loading time and reduced bandwidth, makesmark-up easier to maintain, supports SEO efforts and ensures that everysingle visitor to a website, no matter what browser they are using, will be ableto see everything on the website.Interactive interfacesWeb users have come to expect rich, interactive experiences online, andinteractive website interfaces are a part of that.These rich, interactive experiences range from simple animations throughto highly responsive interfaces requiring input from the user. There are arange of technologies available to create such experiences, each with its ownopportunities and challenges. • Adobe Flash is a widespread approach for creating rich, interactive experiences. It supports video, and is often used to create game-like web experiences. Although widely supported by desktop browsers, it has limited support on mobile devices and at the time of writing is not supported by Apple mobile devices (iPhone and iPad). This means that Flash content cannot be accessed by all smartphone users. It has a history of being problematic for search engine optimisation, though there are ways to work around this. • Microsoft Silverlight is a competitor to Adobe Flash. It is not as widely supported as Adobe Flash. • HTML5, with CSS3 and JavaScript is the next version of HTML standard with improved support for interactive media. It should be compatible across more devices and browsers, and is more suitable to search engine optimisation. This is likely to be the future solution. What is HTML 5? HTML 5 is the latest evolution of Hypertext Markup Language (HTML 5) HTML is a standard format or language for creating websites and HTML5 is the fifth iteration of that standard. It’s a specification 103