Approach 2: Loading JavaScript more quickly
The second approach is to simply spend less time loading the same JavaScript, so that visitors spend less time waiting for the page to render. There are a number of ways to achieve just that:
- Techniques used with images, such as caching and parallel download
- Free Content Delivery Networks
- GZIP compression
- Minification
- Combining or breaking up JavaScript files
- Removing unused code
Techniques used with images
JavaScript files are static files, just like images and CSS files. This means that many techniques that apply to images apply to JavaScript files as well, including the use of cookie-free domains, caching, and boosting parallel loading. You'll find out more about these techniques in Chapter 12,Reducing Image ...
Get ASP.NET Site Performance Secrets now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
