Even Faster Web Sites: Performance Best Practices for Web Developers

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In other words, these actions can have a high impact without changing the site's integrity. The first step is measuring your site. I also recommend using Lighthouse and WebHint. The dev tools network tab produces a nice waterfall to find many items in the list.

Best Web Performance Books

If your site is public, then use WebPageTest. If you do not have all green grades in the top-right corner, you have work to do! This Christmas season promises to be another active period for online commerce. Sites will be pushed to their limits and many will break in some way or another. Many are going to fail because of performance. Do not let performance be a reason your company fails this season or in the future.

Performance is about retaining users

Performance is an advantage because customers want faster sites. Search engines reward faster sites with better rankings. Faster sites also benefit from positive brand recognition. Give your company a competitive advantage over your competition that will pay off now and far into the future. We use cookies to give you the best experience possible.

High Performance Web Sites and YSlow

By continuing, we'll assume you're cool with our cookie policy. Duh, real people expect pages to load fast, like 1 second fast. You get 3 seconds to make a positive impression, after that they leave in droves.

Even Faster Web Sites: Performance Best Practices for Web Developers - PDF Free Download

At 10 seconds the application is completely abandoned and thought to be broken. Wait, the average web page takes 22 seconds to load, we have a problem! No wonder most perceive the web is slow, developers have chosen to make the web slow. All comments that are not related to the post will be removed. Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. With Pingdom's uptime monitoring you are always the first to know when your site is down - at no cost at all!

If you have a website, big or small, you need uptime monitoring. Search for:. Go to Pingdom.

August 8, in Tech Musings. Pingdom: How did the idea for the YSlow Firefox add-on come about? Steve: Definitely. There are more rules that need to be added, and a plug-in model that enables teams to easily add their own rules. There are a lot of challenges to doing this: privacy, gaming the system, etc.

Leave a Reply Cancel reply Comments are moderated and not published in real time. Previous A look at the size and growth of the largest US hosting companies. Next Social network popularity around the world. Monitor your site's uptime for free With Pingdom's uptime monitoring you are always the first to know when your site is down - at no cost at all!

September 24, September 17, Announcing the Pingdom API 3. September 2, August 15, August 5, Trademarks Terms of Service Privacy Policy icons by: socicon. Disc - Visualise the module tree of browserify project bundles and track down bloat. Lasso-analyzer - analyze and Visualise project bundles created by Lasso. Compression webpack plugin - Prepare compressed versions of assets to serve them with Content-Encoding. Most of these tests will revolve around methodologies and techniques for determining effective CSS architecture.

Put another way, I want to know what works best given a particular comparison of CSS strategies.

Even Faster Web Sites: Performance Best Practices for Web Developers

Benchmark - Javascript A set of tools for creating test cases and compare different implementations in JavaScript. JSPerf - jsPerf aims to provide an easy way to create and share test cases, comparing the performance of different JavaScript snippets by running benchmarks. Matcha - Matcha allow you to design experiments that will measure the performance of your code. It is recommended that each bench focus on a specific point of impact in your application.

Useful as a standalone script, DevTools Snippet or bookmarklet. PerfTests - Performance tests of JavaScript inheritance models. Plot the runtime of any function in realtime with GnuPlot and create an image out of the result. CDN A content delivery network or content distribution network CDN is a large distributed system of servers deployed in multiple data centers across the Internet.

12 Steps to a Faster Web App

Easy to use, easy to link and very fast. Google Hosted Libraries - Google Hosted Libraries is a content distribution network for the most popular, open-source JavaScript libraries. Extensions Browser Calories - The easiest way to measure your performance budget. Image Optimizers How to remove all this unnecessary data and give you a file without degrading quality.

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Made on top of smosh. Smush it - Smush it uses optimization techniques specific to image format to remove unnecessary bytes from image files. It is a "lossless" tool, which means it optimizes the images without changing their look or visual quality. Imagemin - Minify images seamlessly with Node.

Sharp - The typical use case for this high speed Node. Gm - GraphicsMagick and ImageMagick for node. Exexif - Pure elixir library to extract tiff and exif metadata from jpeg files. Imageoptim - Free app that makes images take up less disk space and load faster, without sacrificing quality. It optimizes compression parameters, removes junk metadata and unnecessary color profiles.

Tinypng - Advanced lossy compression for PNG images that preserves full alpha transparency. Kraken Web-interface - Optimize your images and will be available for download for 12 hours.

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Even Faster Web Sites and millions of other books are available for Amazon Kindle. In this book, Steve Souders, web performance evangelist at Google and former Chief Performance Yahoo!, provides valuable techniques to help you optimize your site's performance. Editorial Reviews. About the Author. Steve Souders works at Google on web performance and Even Faster Web Sites: Performance Best Practices for Web Developers - Kindle edition by Steve Souders. Download it once and read it on your.

AdvPNG - Recompress png files to get the smallest possible size. ImageEngine - Cloud service for optimizing, resizing and caching images on the fly with great mobile support. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node.

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The core purpose of LABjs is to be an all-purpose, on-demand JavaScript loader, capable of loading any JavaScript resource, from any location, into any page, at any time. InstantClick - InstantClick makes following links in your website instant.