Using Contentful as a content provider and a nextjs -project to generate content from the api. What are some commonly used methods to render content in this way?
Next.js is just a layer on top of React & server-side rendering, and is totally usable together with Contentful.
I could find this Medium article explaining how they solved their SSR with working metatags: https://medium.com/rackner-engineering/dynamic-meta-tags-with-next-js-react-and-contentful-2e2df9d3002a
NPM package for using Contentful with Next - https://www.npmjs.com/package/next-contentful