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As the reader already knows, computers don’t speak JavaScript. They speak their own language (machine code). Sadly, there is not just one machine language; there are several, and they are subject to change.In order to run a JavaScript program, the program must be translated into the client machine’s machine code. No matter how much we [...]
JavaScript tuning tools help to reduce the amount of time required to find leaks, tweak performance and monitor Java Virtual Machines. Developers who want to decrease their time troubleshooting can benefit from the advanced heuristics and simple graphical interfaces that display essential data. Tools greatly help to reduce the amount of time manually searching through [...]
This Week in JavaScript Performance summarizes recent web postings related to JavaScript performance. Watch for it at the beginning of each week. Comparative Evaluation of JavaScript Frameworks Authors: Andreas B. Gizas, Sotiris P. Christodoulou and Theodore S. Papatheodorou. Publisher: World-Wide Web 2012. This concise, but revealing, paper evaluates ExtJS, Dojo, jQuery, MooTools, Prototype, and [...]
This Week in JavaScript Performance summarizes recent web postings related to JavaScript performance. Watch for it at the beginning of each week. Radio link and Nav Timing Author: Steve Souders. Publisher: Steve Souders.This article shows how to measure DNS time, connect time, TTFB, HTML parsing time, and front-end time on the Android 4, which promotes/demotes [...]
This Week in JavaScript Performance summarizes recent web postings related to JavaScript performance. Watch for it at the beginning of each week. Progressive Enhancement 2.0 Presenter: Nicholas Zakas. Publisher: yuilibrary. This 50 minute presentation is from the March 5 BayJax event. Zakas shares his vision of progressive enhancement. Cache them if you can Author: Steve [...]
This Week in JavaScript Performance summarizes recent web postings related to JavaScript performance. Watch for it at the beginning of each week. SaaS PerformanceTools and APIs Author: DanDeFelippi. Publisher: SlideShare. This slideshow is a short review of several tools we can use to monitor and improve website performance. Its main drawback is that it doesn’t [...]
If you’ve discovered the convenience of Jiffy-Web, you may be pleased to know that it fully integrates with Monitis cloud-based monitoring. Jiffy-Web? What’s That? According to its project home page, “Jiffy is an end-to-end real-world web page instrumentation and measurement suite.” That means it can measure how long it takes to execute any block of [...]
Website Performance: Taxonomy of Tips introduced a classification scheme to help us organize the many performance tips found on the Internet. Today’s article describes a few tips that relate to the synchronicitycategory. Set Priority Levels Some languages allow programmers to set CPU priority levels. Downloading JavaScript told us to download maybe-needed-later scripts after executing needed-soon [...]
Website Performance: Taxonomy of Tips introduced a classification scheme to help us organize the many performance tips found on the Internet. My last article introduced the synchronicity category. Today’s article presents one much-discussed group of tips that falls into this category – downloading JavaScript.
Website Performance: Taxonomy of Tips introduced a classification scheme to help us organize the many performance tips found on the Internet. Empty Src and Href Attributes then started to examine the “journey from the server to the client” category by discussing the one tip that Yahoo lists as the most important for web application performance.Part One [...]