GZIP & Brotli Detection
Detects `gzip` or `br` content-encoding headers from your web server.
Bandwidth Savings
Calculates exact percentage transfer size savings (up to 70%+).
Page Speed Optimizer
Enabling GZIP significantly accelerates PageSpeed and Core Web Vitals.
Inspecting server Content-Encoding headers...
Compression Status
Encoding Type
None
Uncompressed Payload
0 KB
Bandwidth Savings
0%
Why GZIP Compression Matters for Web Performance
GZIP Compression is a web server technique that compresses HTML, CSS, and JS files before transmitting them over the network. Enabling GZIP reduces bandwidth transfer payload by up to 70-80%, accelerating page load times and improving mobile SEO rankings.
Frequently Asked Questions (FAQ)
Brotli is a newer compression algorithm developed by Google that provides 15-20% better compression than GZIP.
On Apache, enable `mod_deflate` in `.htaccess`. On Nginx, enable `gzip on;` in `nginx.conf`.
No, images (JPG, PNG, WebP) are already compressed. GZIP should be applied to text formats (HTML, CSS, JS, SVG, JSON).
Yes, 100% free with instant checks.
