Have you ever wondered what version of EcmaScript you should compile your website? Too low version can be too heavy, but the most recent won't work in old browsers. You can read about it in my article! https://dev.to/yoskutik/in-search-of-the-best-ecmascript-version-for-the-website-assembly-17e9 https://medium.com/mayflower-team/in-search-of-the-best-ecmascript-version-for-the-build-d557239b4194