Plugins are cool. Every WordPress powered blog uses different plugins. They give your blog wings. There are few things you must be aware of before using plugins. What I do, I just test the plugin before I actually use it. All the plugins out there are not trustworthy. Even if any plugin comes by a trusted source, it can have bugs which will make your blogging life a bit complicated. I regularly check plugins, update plugins whenever any update is available and remove the plugin which contain any bug. Here are few popular WPplugins I noticed some bugs in them recently.