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image vs css-file-size

image and css-file-size are both design skills. image scores higher (89 vs 87 out of 100). css-file-size has more GitHub stars (75k), and image was updated more recently (yesterday). The table compares them side by side.

imagecss-file-size
Score89 / 10087 / 100
What it doesImage renderer for json-render that turns JSON specs into SVG and PNG images via Satori. Use when working with @json-render/image, generating OG images from JSON, creating social cards, or rendering AI-generated image specs.Use when auditing slow page loads, heavy assets, or rendering delays related to Optimize CSS file size. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommending changes.
PublisherCommunity: vercel-labsCommunity: thedaviddias
GradesMaintenance A, Licence A, Quality AMaintenance A, Licence A, Quality A
npm downloads a weekNot on npmNot on npm
RunsSkillSkill
Works withClaude Code, Claude appsClaude Code, Claude apps
GitHub stars18,77374,518
Last commit23 Oct 20266 Oct 2026
LicenceApache-2.0MIT
Listed since23 Oct 202620 Oct 2026
Install imageInstall css-file-size

Questions

Is image or css-file-size more popular?

css-file-size has more GitHub stars: 74,518.

Can I use image and css-file-size together?

Yes. AI assistants can load several skills at once. Install both and the assistant picks the right one for each task.