Infoperformance
Brotli Compression Disabled
Brotli vs gzip — why Brotli offers better compression for web content.
What This Rule Checks
This rule checks if Brotli compression is enabled alongside SSL (Brotli is typically served over HTTPS).
Why It Matters
Brotli offers 15-25% better compression ratios than gzip for text content. Developed by Google, it's supported by all modern browsers. It's especially effective for static assets.
✗ Bad — Triggers this rule
server {
listen 443 ssl http2;
gzip on;
# No brotli — missing 15-25% compression improvement
}✓ Good — Passes this rule
server {
listen 443 ssl http2;
gzip on;
brotli on;
brotli_types text/plain text/css application/json application/javascript;
}How to Fix
Enable Brotli in Configen's Performance section. Note: Brotli requires the `ngx_brotli` module to be compiled into Nginx.