Html5 Playground

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'm planning on writing a game using javascript / canvas and I just had 1 question: What kind o… Read more Html5 Canvas Performance: Loading Images Vs Drawing

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

Each tree node contains other inner widgets, so it takes long time to render the whole 500 items es… Read more Dijit Tree, How To Improve Performance For A Large Tree With 500 Child Nodes Under Root

I'm making a simple game in Javascript, in which when an object collides with a wall, it plays … Read more Is Playing Sound In Javascript Performance Heavy?

(Sorry if this is a duplicate, but I don't think it is) Just so you know, I'm using Google … Read more Kineticjs - Moving 4000 Tiles With Stage.draggable

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

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

In response to my answer yesterday about rotating an Image, Jamund told me to use .data() instead o… Read more Save Object States In .data Or Attr - Performance Vs Css?

I am trying to calculate the least significant non-zero digit in a factorial. I have the following… Read more Least Significant Non-zero Digit Of A Factorial

I'm doing a project in Angular 2 and I'm getting an issue that makes my pages lose a lot of… Read more Angular 2 Performance Issue (rendering)

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

Dynamic Column width According to Its Content I tried adjusting the column width dynamically accord… Read more Jqgrid - Uncaught Rangeerror: Maximum Call Stack Size Exceeded

I am thinking of improving website performance by moving rendering to the client side. The current … Read more Json Or Html: Which Output Can Perform Better?

I'm in the middle of development of a website, however I cannot work out what is causing this p… Read more Strange Safari Rendering Issues, And Low Performance On Other Browsers

What things can I do when it's necessary to show many objects and calculate position, collision… Read more How To Improve Performance With Many Objects In Game In Html5?

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'm building a multi-language single page website with javascript and the new html template-tag… Read more Javascript Replace "variables" In HTML Code Faster

I have an element that contain many messages. each message is an HTML element Solution … Read more Using One Ajax Call With Json, Or Two Ajax Calls With Html?

I was wondering what is the better/faster way to resize an image. Normally I would resize an image … Read more Is It Better/faster To Resize An Image With CSS, Or With The Tag?