> React performance concerns in the real world are typically measured in, at worst, hundreds of milliseconds. Many years ago I worked at a wonderful company th

> React performance concerns in the real world are typically measured in, at worst, hundreds of milliseconds. Many years ago I worked at a wonderful company that made the terrible decision to rebuild the frontend in React. We had a performance dashboard permanently displayed on a TV in the office, prominently showing the p99 time-to-interactive of our home page. It sat at TWENTY SECONDS for at least 2 years. No progress was ever made, to the best of my knowledge. This was an e-commerce site, more or less. As per the author's reasoning, it absolutely should not have been an SPA.