Html5 Forum

I'm a javascript beginner and I'm trying to improve my skills. I'm currently working on… Read more How To Know Which Part Of My Js Is Making It Laggy?

I am working on taking readings about web browser performance and so need to access the window.per… Read more Run Custom Javascript Code After Loading Any Website

Is there a tool out there to measure the actual Render time of an element(s) on a page? I don'… Read more Tool To Measure Render Time

I am trying to find out the average time it takes various pages of a (private) web application for … Read more Finding Web Application Average Load Times

I have something like this ... .. . $('.Class1').so Solution 1: As far as fastest selec… Read more Jquery - More Efficient To Use Multiple Selectors, Or Each

I have a site with extremely many HTML elements (> 100.000). The page is basically a large table… Read more How To Hide Content Not In Visible View On A Page With Many Html Elements To Improve Performance?

I'm doing a little HTML5 game and, while loading my sprites at the beginning of the map, I do s… Read more Horrible Canvas Getimagedata() / Putimagedata() Performance On Mobile

I am using React application and has below font files but on generating the build, react creates t… Read more Preload Font File With Hashed Name