The front-end is considered a perfect place for performance improvements: it is estimated that a minimum of 80% of the time needed to download and render a web page is expended on the front-end.
The Front-End Workforce
Turf wars, for example between front-end and back-end developers (front-end developers being considered somehow less accomplished) can prevent focusing on the issues that will improve performance. Skills for front-end developer include:
- HTML – still crucial and assumed to be present.
- CSS –for improving the appearance of a web page, is crucial, along with pre-compilers for efficient code.
Front-End Performance Monitoring
Monitoring of front-end web applications can reveal problems which can in many cases be prevented with forceful and strategy-based approaches to front-end development. Results from performance monitoring tools and services can be used to improve application design. Some improvement options include:
- Increased control over third-party content and performance
- Smaller footprint and faster loading and rendering by reducing the number of objects on a page
- Application structural considerations including separation of content and behavior
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