On what to make up sites?

Question

Layout

On what to make up sites? I made it on Bootstrap 4, but everyone says that Bootstrap creates a lot of unnecessary and unnecessary code, a lot of classes in html are bad for SEO, etc. Do you use any grids? What is relevant at this time? What to use? Who uses what?
UPD: What can you say about SmartGrid https://github.com/dmitry-lavrik/smart-grid , has anyone used it?

Answer 1

Bootstrap contains a lot of redundancy due to its versatility, adaptability "for any occasion".
After the n-th dozen projects, a baggage of solutions has accumulated. The base for forms, buttons, galleries, comments, etc. All solutions are concise, without unnecessary garbage, and thanks to this, they are easily scaled for new projects.
The network is again. It was created once and supplemented / edited from project to project until it became conditionally ideal.

Answer 2

Is Bootstrap something littered? Take a look at Semantic :)
Although I think the second one is more fun in terms of functionality.
In general, you are looking for jambs in the wrong place, and it ’s not so much that it causes brakes, such as uncompressed pictures, etc.