Question

The best way for a blogger to respond to readers counter arguments is to

Answer 1

The best way for a blogger to respond to counter arguments is to use any available evidence in a rebuttal.

Answer 2

The correct answer is:  

Use evidence in a rebuttal.

Using evidence is not only the best way to respond to a counter-argument in both blogging and academic writing but is also particularly useful for bloggers, since there´s plenty information available online to provide references that support a certain position.