That’s not nearly as nice as being able to drop a… <include src="/shared/header.htmp”> …in anywhere you want a header. It being part of HTML also allows en

That’s not nearly as nice as being able to drop a… <include src="/shared/header.htmp”> …in anywhere you want a header. It being part of HTML also allows engines to optimize in ways that otherwise wouldn’t be possible and implement user-toggleable features like lazy loading. It can get better as browsers get better and is less likely to break than any custom JS I write.