Web Font Performance: Weighing @font-face Options and Alternatives Web fonts are a key ingredient in today’s website designs; at my employer (AOL) it is a given redesigns will feature downloadable fonts. The days of maintaining a sprite full of graphic text headlines are behind us. We’ve moved on—but what approach yields the best performance? The goal of this article is to look at the various web
By Ilya Grigorik on August 28, 2012 When it comes to analyzing page performance, the network waterfall tab of your favorite HTTP monitoring tool (e.g. Chrome Dev Tools, Firebug, Fiddler, etc) is arguably the single most useful power tool at our disposal. Now, wouldn't it be nice if we could export the waterfall for better bug reports, performance monitoring, or later in-depth analysis? Well, good
A site explaining SQL indexing to developers—no crap about administration. SQL indexing is the most effective tuning method—yet it is often neglected during development. Use The Index, Luke explains SQL indexing from grounds up and doesn’t stop at ORM tools like Hibernate. Use The Index, Luke is the free web-edition of SQL Performance Explained. If you like this site, consider getting the book. Al
A while ago I wrote about common Varnish issues, and I think it’s time for an updated version. This time, I’ve decided to include a few somewhat uncommon issues that, if set, can be difficult to spot or track down. A sort of pitfall-avoidance, if you will. I’ll add a little summary with parameters and such at the end. 1. Run Varnish on a 64 bit operating system Varnish works on 32-bit, but was des
JSMeter: Measuring JavaScript Behavior in the Wild showed that benchmarks are not representative of the behavior of real web applications. But lacking credible benchmarks, engine developers are tuning to what they have. The danger is that the performance of the engines will be tuned to non-representative benchmarks, and then programming styles will be skewed to get the best performance from the mi
DOM Monster is our answer to JavaScript performance tools that just don't give you the full picture. DOM Monster is a cross-platform, cross-browser bookmarklet that will analyze the DOM & other features of the page you're on, and give you its bill of health. If there are problems, DOM Monster will point them out—and even make suggestions on how to fix 'em. Drag the DOM Monster! to your bookmarks b
Iframe setTimeout() does not work in IE9 Chad Barnsdale of Unfinishedman.com mentioned to me on May 25 that the Iframe setTimeout() technique does not work in IE9. And he was right. The file that gets loaded into the iframe simply does not load. Nothing happens. I will dive into this sometime soon. It's probably something small with the JavaScript code. Iframes are often used to load third party c
December 15, 2010 10:45 pm | 30 Comments This is the first of three blog posts about ControlJS – a JavaScript module for making scripts load faster. The three blog posts describe how ControlJS is used for async loading, delayed execution, and overriding document.write. The #1 performance best practice I’ve been evangelizing over the past year is progressive enhancement: deliver the page as HTML so
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