I’d be very much surprised if that would save anything; gzip compression is pretty good, but the content-aware compression you’re describing is unlikely to be e

I’d be very much surprised if that would save anything; gzip compression is pretty good, but the content-aware compression you’re describing is unlikely to be enough better to compensate for the extra code required. Add to that the downsides (slower loading and a flash of unstyled content) and I’d reckon it a non-starter.