To have a fair discussion about this, you should probably also consider subsequent page loads after the first. With something like next.js, you get almost insta

To have a fair discussion about this, you should probably also consider subsequent page loads after the first. With something like next.js, you get almost instant page loads after the first, because they are routed client side. If the app is designed properly, the 500kb bundle is only loaded once, and cached until a new one is released. Subsequent requests are for data only. Also, be sure not to conflate react performance with degradations due to third party marketing scripts.