10 ways to prevent comment spam:

Relevant comments add great SEO benefits as it adds content to your blog post and makes your post fresh in the search engines eyes. But comment spam is the pain the a$$ for blog owners to make the most of wp comments. Given below are ways to prevent comment spam.

1. Install and activate akismet comment spam plugin.
2. Do not have comments auto approved
3. Check for automated comments for softwares and bots and do nto approve them (it gives a sign to them)
4. Approve comments that have gravatar logo enabled, shows sign of real people commenting your blog
5. Install comment reply plugin and have threaded comments which help conversation flow in your blog and encourages visitors to participate in comment discussion
6. Disable comments on older posts
7. Approve only comments same as the language of your blog.
8. Use subscribe to comments plugin to get repeated comment visitors to your blog
9. Never comment spam other bloggers, when you do not spam others, other bloggers will not spam you
10. Use the plugin from Warrior icun that converts comment spam links to your money making affiliate links