Cross-Origin Storage API

Assess

Platforms

A proposed browser API for sharing stored web resources across origins to avoid duplicate downloads.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by framework updates, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

5Hugging Face Blog·6/23/2026framework_update
Transformers.js tests proposed Cross-Origin Storage API for shared caching
Hugging Face describes experiments in Transformers.js with the proposed Cross-Origin Storage API to reduce duplicated downloads and storage across different origins. The post shows that model files and shared WebAssembly runtime assets can be cached once and reused, instead of being fetched again for each site using the same resources.