Search: javascript
*Miscellaneous Top 10 Client-Side Performance Problems in Web 2.0
Submitted by matt 13 days ago (more from blog.dynatrace.com)The Top 10 Client-Side performance problems in Web 2.0 applications I’ve seen when working with our dynaTrace AJAX Edition users. Tools such as dynaTrace AJAX Edition or Google Speed Tracer allow analyzing these blank spots that block further network downloads as they analyze JavaScript execution, DOM access and Rendering activity in the browser while loading a page
*Programming Boomerang - Measures Website Performance From End User's View
Submitted by matt 26 days ago (more from yahoo.github.com)A piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of view (perceived performance). It has the ability to send this data back to your server for further analysis. With boomerang, you find out exactly how fast your users think your site is.
*Programming What is a non-blocking script?
Submitted by matt 27 days ago (more from nczonline.net)There are basically two ways to achieve non-blocking (aka asynchronous) JavaScript downloading: create a script node dynamically and use the HTML5 async attribute of a tag. Combining this with the capability of parallel script downloads in newer browsers means that your page can take less time to render fully to the user. Try to avoid blocking JavaScript downloads whenever possible.
*HTML/CSS Intro to the Google WebFont Loader and how to avoid @font-face text flickering
Submitted by matt 40 days ago (more from position-absolute.com)@font-face suffers of the same illness that its predecessors, until the font file is loaded it will display your text with the fallback font family. I will be showing how you can use the google font loader to avoid text flickering and have a good fallback font in case the font file is not loading. You get the best of all world, but it comes with a price of a light javascript hack.
*Programming MediaElement.js - HTML5 video player in CSS with Silverlight and Flash fallbacks
Submitted by matt 40 days ago (more from mediaelementjs.com)A JavaScript library to embed video in HTML5 formats with fallback in Silverlight or Flash.
*HTML/CSS Running your web applications offline with HTML5 AppCache
Submitted by matt 40 days ago (more from dev.opera.com)With the introduction of the W3C HTML5 application cache feature, it is possible to make your web applications run offline as well as online. This is where HTML5's new offline storage comes in. It defines a way to store files in a cache, so that when the user is offline, the browser still has access to the necessary files. These can be HTML, CSS or JavaScript files, or any other assets.
*Programming Google JavaScript Style Guide
Submitted by matt 53 days ago (more from google-styleguide.googlecode.com)The point of having style guidelines is to have a common vocabulary of coding so people can concentrate on what you're saying rather than on how you're saying it
*Programming Optimizing javascript/jQuery loading time, a beginner’s guide
Submitted by matt 55 days ago (more from position-absolute.com)With some great free tools you can easily optimize your javascript to load 2 or 3 times faster if you are willing to trade the regular way of embedding javascript file in the head document. With LABjs you can load your scripts simultaneously and specify an executing order. From my tests with dynatrace, the javascript loads 3x more rapidly using LABjs,
*Miscellaneous diffable
Submitted by matt 59 days ago (more from code.google.com)A method for reducing page load latency by transmitting differential encodings of static files. It works by sending deltas between versions of files that reside in a browser's cache. Files such as Javascript, HTML, and CSS are often updated every week or more, but change very little between versions. This method significantly reduces the bandwidth and transmission time for these files.
*Miscellaneous Best Practices on Web Site Performance Optimization
Submitted by matt 69 days ago (more from community.dynatrace.com)The best way to measure the performance of your website is by looking at certain Key Performance Indicators that tell you how fast or slow your web site is to the end user. With the tracing capabilities of dynaTrace AJAX Edition it is possible to extend the list of existing KPI’s to also include metrics such as Time to First Impression, Time to Fully Loaded and Time Spent in JavaScript.