You don't need to do it, if you don't have a lot of time, check the posts one by one.
(sMerit), is a gift, alms, achievement that will be given to people.
Actually a gift, alms ought not be someone, must go to church / mosque to look for people who need it.
But it can also be found while you are walking and relaxing, you will find people who are entitled to receive alms (sMerit).

I mean:
CryptopreneurBrainboss, is very active in Forums / Meta, But when you make a contribution / post on a forum, maybe you will accidentally find a quality post. That's where you determine your decision or not to give (sMerit) to others.

I think it is not necessary specifically, in the rules of giving (sMerit).