The new version brought better standards to keep websites running more smoothly on smaller, less powerful devices. Many performance issues will still depend on you and the quality of your code. However, plenty of loose ends on the HTML side were tied up with the HTML5 update. As you can see here, HTML5 and most of its functions are supported on all modern browsers.
Web forms — Working with user data
Now you can do it in HTML or CSS without having to open yourself up to any potential exploits. While HTML and HTML5 are part of the same system, the big update brought several enhancements to the old coding language, making it even more efficient. While there are website builders which can let you design a site without touching any code, WordPress included, they’re still handling HTML code for you behind the scenes.
The Path to a Full Stack Web Developer Career
Front-end web developer
Another option is user groups — using a group of people outside your development team to test your site. Now you know your target testing platforms, you should go back and review the required feature set and what technologies you are going to use. For example, if the e-commerce site owner wants a WebGL-powered 3D tour of each product built into the product pages, they will need to accept that this just won’t work all legacy browser version. You don’t need any previous knowledge to start this course.