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I don't understand the premise, because I have always hated Single Page Apps.

Yep. They cause more problems than they solve. No one likes making or using SPAs.

There’s one good SPA: gmail. Everything else has been a dumb idea.

My side project is a web-based music video creator. It literally could not exist except as a SPA.

IMO:

- SPAs make sense for "applications". Google docs, Gmail, Trello, Slack, web-based music video creators, etc. Things that need high levels of interactivity. - SPAs don't make sense for "websites". Blogs, forums, search engines, news sites, etc.

Of course, many things exist somewhere on the continuum between "website" and "application", and then the tradeoffs get messier.

Gmail arguably doesn't need a high level of interactivity - that's why they also have the basic HTML version.

Anything that requires some kind of SEO is a dumb idea for a SPA. If you're making Jira or something, a SPA makes sense. The issue is, the bovine tech herd sees new thing and applies new thing to everything. Everything is React now. Now we have news websites as SPAs, the worst possible use case for a SPA.

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