re: Several large JS and jQuery libraries were being loaded to perform specific validations, masking and calculations of card numbers and other input e...

SPA frameworks in particular are good on slower connections because the browser does most of the work up front to load the page structure and resources.

I must be missing something here, because for a sane content oriented site, page structure should not be much larger than the content, and resources would be cached.

Also, it takes time to load the stuff up front, so you're trading speed of second and later page loads for the speed of the first one. That is not necessarily a good trade-off.


I feel like I could write another post entirely about the fetish of initial page load at the expense of the performance of everything else.

You totally should. I would read it. People freak out over this.

There are a handful of fast languages, Go, Elixir etc.. that are excellent at rendering html very quickly. For slower languages, using simple caching can speed things up considerably as well as optimizing queries using EXPLAIN in sql.

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