Apart from having a local binary / extension / some bookmark URI magic I don't think so. A "lighter" /alternative to a local binary is to a have a local index.

Apart from having a local binary / extension / some bookmark URI magic I don't think so. A "lighter" /alternative to a local binary is to a have a local index.html and use SRI when linking to the remote scripts [0]. But seems clunky as well... [0]: https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity#subresource_integrity_with_the_script_element https://developer.mozilla.org/en-US/docs/Web/Security/Subres...