Glossary

Compression (Gzip/Brotli)

Server-side compression algorithms that reduce file transfer sizes, speeding up content delivery.

What is Compression (Gzip/Brotli)?

Compression uses algorithms like Gzip or Brotli to reduce file sizes during transfer. Brotli typically achieves 15-25% better compression than Gzip for text-based files.

Key Takeaways

1.Compression (Gzip/Brotli) is important for website performance and SEO.
2.You can measure it using tools like BulkAudit and Google Lighthouse.
3.Improving this metric can lead to better user experience and search rankings.

Learn More

Google Web Fundamentals

Related Terms

HTTP Status Codes

Related Guides

How to Improve Time to First Byte (TTFB)
Resource Hints Guide - Preload, Prefetch, Preconnect
Managing Third-Party Scripts for Performance

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