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Nuxt.js
Discontinued Nuxt is an intuitive and extendable way to create type-safe, performant and production-grade full-stack web apps and websites with Vue 3. [Moved to: https://github.com/nuxt/nuxt]
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
If you want to use something like Vue look into NuxtJS or look into other Vue SSR options. SPAs introduce SEO difficulties when they are CSR(Client side rendered). If your content doesn't update very often you can look into Static Site Pre-rendering.
Anyways, have you looked at Qwik? https://qwik.builder.io/