Basic performance optimization of front-end web pages

This time I will bring you the basic performance optimization of front-end web pages. What are the precautions? The following is a practical case, let’s take a look.

Page optimization

Static resource compression

Use the appropriate build tools (webpack, gulp) Compress web page static resources such as images, scripts and styles.

CSS sprite image, base64 inline image

Merge the small icons in the site into one image, use css positioning to intercept the corresponding icon; use inline images appropriately.

Style on top, script on bottom

The page is a gradual rendering process, style on top can present the page to the user faster;