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Checks for Gzip or Brotli compression
Rule IDperf/compression
CategoryPerformance
ScopePer-page
Severitywarning
Weight6/10

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Solution

Enable Gzip or Brotli compression on your server to reduce transfer sizes by 60-90%. Most web servers support this via configuration. For nginx: ‘gzip on;’ For Apache: ‘AddOutputFilterByType DEFLATE text/html’. Brotli provides better compression than Gzip for text content.

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Enable / Disable

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Disable this rule

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

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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/compression"]
disable = ["*"]