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Testing is one of those things that you either get super excited about or kinda close your eyes and walk...
Critical CSS is one of those things I see in my performance reports but always seem to ignore. I know what it means. It means to...
WordPress uses transients for storing cached short-term data in a sites database within the options database table. Depending on the set of plugins you are using...
Most images on the web are superfluous. If I might be a jerk for a bit, 99% of them aren’t event that helpful at all (although...
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About The Author Addy Osmani is an engineering manager working on Google Chrome. His team focuses on speed tools and frameworks, helping keep the web fast....
I’m willing to bet you know WebPageTest. It is the premier tool in the toolbox of web performance people. Maybe you didn’t know that WebPageTest was...
Raygun is an error and performance monitoring software for websites and mobile apps. In the case of websites, you install their JavaScript snippet onto your site,...
Combined with the complexity of modern websites and the way browsers process CSS, even a moderate amount of CSS can become a bottleneck for people who...
The Jetpack team has been quietly testing a new plugin called Jetpack Boost, which addresses website owners’ performance and SEO concerns. Version 1.0 was released today,...