Google's Blogger is one of the most popular blogging platforms as it is free and it is Google's own property. Most of the new blogger use blogger's default templates as they are very charming to look at and it is easily customizable without knowing to much programming knowledge.  But in some cases this is not user friendly and SEO friendly also. Suppose you wrote a post in your blogger site a few days ago that was already indexed by search engine. Now you have already removed your post for a certain reason. What will happen. Some visitors will follow your indexed link through search engine. They will see the following page as it is no more exist. This is not seo friendly and user friendly also. Visitor will see the page and go away being upset.