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WebPagetest – Website Performance and Optimization Test

You can't know if the changes you've implemented have made a real difference without measuring.  One great tool to do this can be found at WebPageTest.org: "Run a free website speed test from multiple...

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GTmetrix | Website Speed and Performance Optimization

Test the speed of your pages and get a comprehensive breakdown of your  websites assets in an easy to use way: "Studies show that users leave a site if it hasn't loaded in 4 seconds; keep your users...

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Speed testing your website with Siege Part One

A comprehensive guide to testing your website with Siege: "Tuning your web servers to handle more traffic without crashing is a science of its own and there are many ways to improve performance but...

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Speed testing your website with Siege Part Two

The second part of the guide to using Siege: "Everything we have done so far has been testing single html files which is useful for testing page generation. But what if we need to find out the speed of...

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US web users are less patient than the rest of the world

This excellent article entitled 'How One Second Could Cost Amazon $1.6 Billion In Sales' takes research on U.S net habits and discovers that  US web users are less patient than the rest of the world:...

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Measuring Front-end Performance With Real Users

Over on the Etsy blog there is and article about measuring front-end performance with real users.  Based on a comment on their last article from Steve Sounders, Etsy tested his theory and published the...

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WebPageTest API

The webpagetest.org website is an incredibly  useful resorce for testing website performance.  Marcel Duran has written an API tool to interact with the site.  Using node.js and npm to install you can...

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Tracking Bounce Rates for Rails Applications in New Relic Using Redis

Tracking Bounce Rates for Rails Applications in New Relic Using Redis Bounce rates are a key metric for tracking the quality and usefulness of content on your site. By using New Relic to measure your...

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Performance Benefits of Responsive Image Loading

Another great article over ay Yottaa shows the performance benefits of responsive image loading.  Using a different number of techniques to influence the image loading they produce some very...

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