The site is loading slowly. Replace javascript with css?

Question

css

Ads load slowly. How to speed up javascript or replace declaration containers with css?
Website: superjobs.md

Answer 1

And freeze and see.
Let's say
Mozilla Firefox, Ctrl+Shift+Q (developer menu, network freeze)

Answer 2

https://developers.google.com/speed/pagespeed/insi...
here. Pay attention to how to fix tips

Answer 3

of course css works faster, js should be used only if there are problems with cross-browser compatibility or there is no necessary functionality in css.
But in fact, it seems to me that in addition to js, ​​you have something to modify, all kinds of hashing, etc.

Answer 4

Use Google's best recommendation to increase download speed, it usually indicates all the weaknesses in terms of optimizing download speed.
https://developers.google.com/speed/pagespeed/insi...