I've done that experiment with zstd before. https://github.com/facebook/zstd/blob/dev/programs/zstd.1.md#dictionary-builder https://github.com/facebook/zstd/bl

I've done that experiment with zstd before. https://github.com/facebook/zstd/blob/dev/programs/zstd.1.md#dictionary-builder https://github.com/facebook/zstd/blob/dev/programs/zstd.1.md... Not sure about brotli though.