How HTML increases page loading speed, html increases page loading

How HTML increases page loading speed, html increases page loading

(1) Reduce HTTP requests. (Merge resource files and use image genie;

(2) Place CSS in the header and JavaScript at the end of the body Tag;

(3) define the width and height of the image;

(4) define character sets;

(5) avoid empty src and href attributes,

Write in html as follows: <a href = "javascript:;" class = "triggerName"> Trigger </a>

Js is defined as follows:

$ ("# TriggerName"). click (function (e ){

E. preventDefault (); // cancel the default action of clicking an event to prevent link jump //

})

(6) Enable GZIP compression;

(7) discard CSS expressions and use more efficient CSS selectors;

(8) Use CSS and JavaScript of external links;

(9) code compression for CSS and JavaScript;

(10) reduce re-painting;