The SEO is still on your side, to do a simple enough job use Google LightHouse to check your website. And for performance, it works well on my machine and my Pocophone F1. So that would not be an issue.
But I don't know the scope of the project. If you are going to build a huge website with tens of thousands of components than I would suggest creating your own. As every library or NPM package has dependencies to other components mostly, creating more bloat, which mostly translates to less performance.
The SEO is still on your side, to do a simple enough job use Google LightHouse to check your website. And for performance, it works well on my machine and my Pocophone F1. So that would not be an issue.
But I don't know the scope of the project. If you are going to build a huge website with tens of thousands of components than I would suggest creating your own. As every library or NPM package has dependencies to other components mostly, creating more bloat, which mostly translates to less performance.
So i work with one ?
I would assume yes? Just pick whatever you like for the job. It doesn't hurt to include bootstrap, vuetify or element.