Frontend vs Backend Performance: Which is Slower?
Kent C Dodds made a claim on Twitter (X) that the “biggest performance problems are probably backend, not frontend related.” Is this true? Some websites have slow backends, for sure. Others have slow frontends. A few unfortunate sites are slow in both. But as of today, right now in 2023, which is the bigger performance problem for most teams, the frontend or the backend? I wanted to explore it with some real data from the web.