Vue.js SPA SEO: how I made my app invisible to Google (and how I fixed it) (opens in new tab)

I spent three months building CitoyenNote — a Vue.js 3 + Vite SPA. Clean code, Composition API, composables for everything, Pinia for state management. The kind of codebase you're actually proud of. Then I typed the site name into Google and got back a single result: the homepage. With a title of "Document". No description. And none of the 80+ municipality pages were indexed. That's the SPA SEO problem in a nutshell. Here's what I learned fixing it. What Google actually sees in a SPA A classi...