Can you use emoticons in the title?

Question

Search Engine Optimization

I sometimes write smilies and brackets like "this is the heading)))" or "this is the heading :)" in headings or in the text
. parentheses
Probably right it should be like this "this is the heading :)" and "this is the heading))"
Tell me who understands.

Answer 1

Do the opposite and you'll know right away

Answer 2

It is worth putting a space.