Sometimes people who's visited your blog want to leave a comments into your blog, but some of the comments maybe not related with your articles or in internet term they called it SPAM. To avoid the SPAM you can do simple tricks or steps as below: 1. logging to your blog and put your name and password 2. Click on Dashboad; Settings; Comments 3. Answer Yes for Show verification Comments If you still confuse with my explanation above, please see the photos Finally, don't forget to save the settings. Obrgado Barack.