If you have comments enabled on your WordPress website, comment moderation can be an enormous job. I have often had sites hit by spam comments but now days it is not easy see the difference between the real comments and the spam. I have even found spammers that have been commenting on my sites for months. That is how difficult it is to keep up with comment moderation.
They now have NO unique IP address, a disposable email address, and probably hundreds of different websites being promoted. All of these factors make comment moderation on a WordPress website extremely difficult.
Before you can perform good comment moderation you need to setup your discussion settings in WordPress to suit your needs.
After you having your settings in order you can watch the video below to see some comment moderation tips and tricks that I use.
WordPress Comment Moderation Tips and Tricks [Video]
There are many ways to control website comment spam on your website and moderation is only one part.
I wrote an article a while back letting my website visitors know exactly how to get your comments approved on this website. That post can help you perform blog commenting the right way but here are some extra tips.