
Set an image budget before polishing the animation.
A page can feel heavy even when its JavaScript is small. Large images deserve attention before decorative motion becomes the focus of a performance pass.
Read the guideA considered approach to websites, stores and content platforms.
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Make your next step a better one. Practical performance guides, focused reading paths, and resources for people building for the web.

A page can feel heavy even when its JavaScript is small. Large images deserve attention before decorative motion becomes the focus of a performance pass.
Read the guide
A sticky sidebar can keep useful controls nearby, but it also competes for space. Its behavior should support the main content instead of trapping the reader.
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Five minutes or less to explore performance.
A page can feel heavy even when its JavaScript is small. Large images deserve attention before decorative motion becomes the focus of a performance pass.
Development022 min readA sticky sidebar can keep useful controls nearby, but it also competes for space. Its behavior should support the main content instead of trapping the reader.
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Explore Performance through published how-to articles.
A page can feel heavy even when its JavaScript is small. Large images deserve attention before decorative motion becomes the focus of a performance pass.
Read the guide
Explore the topics connected to this topic. Each collection points to the published guides behind it.
Simple resources to make your next website decision easier. Editable files, ready to adapt to your own workflow.
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Our editorial approach ↗Choose a reading path that matches your next task. For a wider overview, browse the Performance archive above and use its topic filters.
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