Articles
In-depth tutorials and other long-form articles.
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A Smashing Guide to Accessibility
A continually updated collection of guides on accessibility.
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A Smashing Guide to Performance
A continually updated collection of guides on web performance.
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Cache-Control for Civilians
An in-depth exploration of how to use cache-control headers for optimal performance.
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CivicActions Accessibility
A collection of guides and links to articles on good accessibility.
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Is WebP really better than JPEG?
An analysis of the perceptual performance of different image formats.
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Let's talk AVIF - and why we're not adding support just yet
A look at AVIF's encode and decode performance.
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Make Jamstack Slow? Challenge Accepted.
A very interesting article on common things that slow down sites, including tracking scripts.
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Reducing Carbon Emissions On The Web
Some steps you can take to reduce your website's carbon emissions.
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Self-Host Your Static Assets
A look at the performance of self-hosting vs using a CDN for third-party assets.
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Web Fundamentals
Google's training material on web performance.