3 ms·
WebAssembly is explicitly disabled on the ESR version of Firefox 52, per https://www.caniuse.com/#search=webassembly https://www.caniuse.com/#search=webassembly
by LawnGnome 8y ago
WebAssembly is explicitly disabled on the ESR version of Firefox 52, per https://www.caniuse.com/#search=webassembly https://www.caniuse.com/#search=webassembly, so that would explain that.