Leave the box checked if you would like your blog to be visible to everyone, including search engines, and uncheck the box if you want to block search engines, but allow normal visitors.

• 如果你想包括搜索引擎在内的每个人都可以访问你的博客，选中检查框，如果你允许普通游客，但不允许搜索引擎访问你的博客，就不要选中检查框。