compression

Node.js compression middleware for Express/Connect that supports gzip, deflate, and brotli response compression. Current stable version is 1.8.1, released March 2025, with a moderate release cadence. Key differentiators: built-in brotli support (requires Node >= v11.7.0 or v10.16.0), automatic filtering based on Content-Type via the compressible package, and flexible configuration of compression levels and memory usage. It is part of the Express.js ecosystem and is widely used with Express and plain Node HTTP servers.