Script Handling: JSS and CSS files can reduce your site speed, so make sure them.

So that you actually need these extras to enhance your site before using, during the endnote, if you’re enhancing your speed that is website are just not providing a better UX, but you are also increasing the conversion rates. 

4. Improve Your Header Tags

Nobody likes to be bound into the wall of text. Obviously, good content attracts the visitor, but good formatting catches the visitor’s attention. It makes readers or users more willing to spend time to read your content and come back again, which will ultimately affect your SERP.