Ultimately, we ended up implementing a simple Next server (opting for the framework just for convenience of having out-of-the-box support for JSX) to live in parallel with the web app, which is all just client-side rendering. We configure Cloudflare to look at the incoming user agent, and route to the appropriate site

For example, a request for @dwr's profile from TwitterBot will go to https://ssr.warpcast.com/dwr, which will server-side render OG meta tags and some very basic HTML for SEO. All non-bot traffic will just get served https://warpcast.com/dwr. This approach adds some maintenance burden, but the benefits are

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