Is your WordPress flooded with spam comment or being attacked by brute force login attempt? Thinking about spam blocking plugin? There are a lot of plug in can help you stop spam comment. You will notice it put thousands spam comments into spam folder after a while. Those Anti-Spam did a great job stopping spam comment show up in our post. There is some drawbacks for that kind of plugin. First,spam comments will be processed and store in your database before it gets deleted manually or automatically. Second, plugin like Akismet Anti-Spam will add a java-script to your site. If your site has limited resources, these kind of activities will drag down your site’s performance. If you use captcha plugin, you will also interrupt user’s experience.