Enabling comments on your WordPress site is great for interacting with your users and customers, as well as building a community. However, it can make your site a target for SPAM if proper preventative measures are not taken. In light cases, comment SPAM may just be annoying for your users. In extreme cases, it could impact the performance or even search engine ranking of your site.
To help prevent comment spam yourself, use the table below to find the scenario that's applicable and follow those instructions.
Modify Discussion Settings
Reduce SPAM for a single post or page
Install SPAM prevention plugins
Remove comments
Disable external comment requests