Your difference might be mainly single threaded vs multi threaded decompression. This doesn't typically transform into a real-world speedup when browsing the we

Your difference might be mainly single threaded vs multi threaded decompression. This doesn't typically transform into a real-world speedup when browsing the web, as one will typically run multiple decompression streams in parallel anyway. Zstd is definitely an improvement on Gzip, but not by that much.