-While still in 3rd place in terms of adoption, Zstandard has made gains in 2025 compared to 2024. In 2024, only Facebook's CDN had any statistically measurable usage of Zstandard, while in 2025 both Cloudflare (15%) and Google CDN (10%) showed measurable adoption. Cloudflare’s newer compression defaults and configuration options may help explain the observed data. The one outlier to the dataset was Amazon CloudFront, which currently does not support Zstandard compression natively. However, the data observed showed CloudFront passing through already compressed data from origin using Zstandard. This demonstrates content owner's desire to use Zstandard even though not all major CDN providers support it.
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