Opinions: Headless WordPress?

Hi,

I am looking for opinions of persons with more experience than I have.

So my problem is, I am the developer of a (non profit) news blog with about 20.000 visitors per month and a potential of up to a million per month in the next years (that is at least the development of similiar sites in other countries).

In the last months we discussed a new orientation, so the design needs to follow, it needs to be mobile first and it needs to be fast and potentially needs to scale in the future.

I wonder, if I don‘t always load the whole page new, but use the REST API, and decouple WordPress from the frontend (some js framework like vue or react), can I make my life easier or am I just dazzled by fancy new tech and buzzwords? Of course I can implement many things in PHP, but I have a feeling that it maybe be more work and less future proof.

My experience with vue.js so far is, that the component based approach is really nice and it feels really easy to just load content and organize the theme. With some caching and Server side Rendering SEO shouldn‘t be a Problem, too. Maybe a PWA implementation in the future.

So when would you decouple WordPress from a frontend? On what criteria would you decide something like that? Happy to hear opinions 🙂