"Front-end advanced-performance-performance tuning Checkpoint"

Front-end main performance optimization point accept-encoding:gzip for resource compression

Gzip compression mode browser support situation:

• Netscape 6+ (Netscape 4-5 does, but with some bugs).

• Internet Explorer 5.5+ (July) and IE 4 if set to http/1.1.

• Opera 5+ (June 2000)

• Lynx 2.6+ (some time before 1999)

• Firefox 0.9.5+ (October 2001)

• Chrome since forever

• Safari since forever (as far as I can tell)

Disadvantage: CPU resources are consumed when the background server is compressed.

Reduce the number of HTTP requests

Slightly

Reduce DNS queries

Slightly

Use CDN to avoid redirecting pictures lazy loading reduce DOM elements number reduction DOM operations optimize CSS using external JavaScript and CSS compression JavaScript, CSS, sub-graphs, pictures, and more Sprite using Iconfont font cropping multi-domain distribution divide content into different domain names to minimize iframe use avoid picture src for empty put the stylesheet in the script at the bottom of the page Welcome to add ...

"Front-end advanced-performance-performance tuning Checkpoint"