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Have specific, answerable questions about using PageSpeed Insights? Ask your question on Stack Overflow. For general feedback and discussion, start a thread in our mailing list.

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Mantra is a timeline editing tool for web animations. It is inspired by tools such as Adobe Flash and After Effects. By Jeremy Kahn.

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A design system calculator that provides the foundational elements you’ll need for every project.

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A collection of free design tools to create unique backgrounds, patterns, shapes, images, and more with just a few clicks.