There are plenty of ways to add page transitions to a React application, this tutorial outlines a really simple one. It requires minimal effort but can make your single page app look a lot more professional.
I recently read that Apple is working on its own search engine. Internet search is big business and Apple already has its own browser, Safari, so maybe this is just a natural progression.
In which I write up a long list of links…
ICYMI - part 1 is over here.
Manual URL validation is tricky. As is increasingly the case though, there’s an API for that.