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Checks for large GIFs that could be converted to video
Rule IDperf/animated-content
CategoryPerformance
ScopePer-page
Severitywarning
Weight4/10

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Solution

Convert large animated GIFs to video formats (MP4, WebM) for 50-90% smaller files. Use <video autoplay loop muted playsinline> for GIF-like behavior. Tools: ffmpeg, gif2webm, or Cloudinary can automate conversion. Modern video codecs are far more efficient than GIF for animation.

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Options

This rule supports the following configuration options:
OptionTypeDefaultDescription
gif_size_threshold_kbunknownundefinedGIF size threshold in KB above which to suggest video conversion

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Configuration Example

squirrel.toml
[rules."perf/animated-content"]
gif_size_threshold_kb = undefined

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Enable / Disable

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Disable this rule

squirrel.toml
[rules]
disable = ["perf/animated-content"]

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Disable all Performance rules

squirrel.toml
[rules]
disable = ["perf/*"]

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Enable only this rule

squirrel.toml
[rules]
enable = ["perf/animated-content"]
disable = ["*"]