I taught myself design & web development at the same time - way back when it all started, in the late 1990s. Those skills combined allowed my career to follow the trajectory it did, but more importantly, as a designer, it helped me be a better designer.
Knowing the limitations and the abilities of the platform you're deploying on means designing closer to what you'll actually see on the page.
If you want, absolutely.
I taught myself design & web development at the same time - way back when it all started, in the late 1990s. Those skills combined allowed my career to follow the trajectory it did, but more importantly, as a designer, it helped me be a better designer.
Knowing the limitations and the abilities of the platform you're deploying on means designing closer to what you'll actually see on the page.
So go for it!