You will fall in love with Laravel. It is simple and powerful.

If you think you can do responsive design on css3 and javascript, you should go for it. But you should also master any of the frameworks such as react/angular/vue etc. Designing user friendly UI and UX is challenging and will give you fun, i think which you need. @eslam Yes, you can do only javascript. But with good ui design skill it will be great.

Will you create series about nginx and php configuration? It will be awesome.