Compression

Checks for Gzip or Brotli compression

Rule ID	perf/compression
Category	Performance
Scope	Per-page
Severity	warning
Weight	6/10

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.

Enable / Disable

Disable this rule

[rules]
disable = ["perf/compression"]

Disable all Performance rules

[rules]
disable = ["perf/*"]

Enable only this rule

[rules]
enable = ["perf/compression"]
disable = ["*"]