Performance guides
Measure bottlenecks and make websites faster without guesswork.
- Format
- 4 guides
What you’ll find here
Performance work starts with evidence. These guides cover field and lab measurements, caching, content delivery, images, and the changes most likely to improve real visitor experience.
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All Performance guides
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4guides
How to improve website speed without guessing
Measure real and lab performance, identify the slow stage, and prioritize server, network, rendering, and third-party improvements.
How to optimize website images
Choose dimensions, formats, compression, responsive sources, loading priority, and layout attributes for faster pages without sacrificing quality.
How to speed up a WordPress site
Find out whether the backend or frontend is slow, then fix hosting fit, caching, plugins, images, and the database in the order that pays off.
Website caching and CDN strategy
Choose what to cache in browsers, at a CDN, and in the application while preserving correctness, privacy, and predictable invalidation.