Performance
Considering the performance of your responsive web designs is as important as the aesthetics. However, performance presents something of a moving target. For example, browsers update and improve the way they handle assets, new techniques are discovered that supersede existing "best practices," and technologies eventually get enough browser support that they become viable for widespread adoption. The list goes on.
There are, however, some basic implementation details that are pretty solid advice. These are:
- Minimize the page weight. If you can compress images to a fraction of their original size, you should. This should always be your first task with optimizing. It's possible to double the file size savings by compressing one image compared to compressing and minifying all of your CSS and JavaScript.
- Defer non-essential assets. If you can load any additional CSS and JavaScript until the page has rendered, it can greatly reduce the perceived...
