Over-optimization techniques will make the stability of the site plummeted.
 

Some webmasters do not consider the degree of the user experience and visual effects, advertising, and even some advertising pens article also inserted in the blog so that readers can not distinguish primary and secondary. To make the blog making money with money, some owners have to use advertising, ready to set up a blog when the ads bit. Over-optimization techniques will make the stability of the site plummeted.