What is the best approach for using single page application SPA

Currently i start developping a blog system. there will be an admin to add articles and website to show the articles with registration and login to add comments and some other basic staff. im going to use (PHP Laravel framework as server side) and (react as client side) and (react native for mobile application) am planning to do everything in the project as single page application, my approach is as the following:

for the admin i will use Laravel to create API and react to the frontend.

for the website i will do the same i will create API using Laravel and use React to the frontend.

for the mobile application i will use the same API of the website and React native for the application.

i want help from expert guys, is it good approach or there is better? or should i use MPA for the admin ?

my goal of creating this blog is to have something for myself as standard and best practice to use it as start seed in my work (for other projects like CMS or online shop ... etc)

i search a lots but i did not get clear answer.

via Chebli Mohamed