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There are many ways to cheat SEO, if you do not pay attention to the search engine K, it is not easy to say. I also just enumerate some commonly used means, only hope you in SEO site optimization When the attention point on the OK.
First, the keyword superposition
Many people like to repeat and re-use keywords, in title, keywords, description have applied a lot of keywords, improve the density of keywords, improve the relevance of the site, but this is often very easy to be the search engine that you are cheating.
Second, hide the keyword
Some people like to hide the keyword to improve the density of the keyword. For example: SEO website optimization
Put a lot of keywords in the title attribute of the link and the alt attribute of the picture, this is called the Hidden keyword, improve the keyword density, but this is also a kind of cheating, perhaps Baidu will give you a good ranking, but also quickly give you a blacklist.
Third, hidden surface keywords
What is a hidden surface keyword, that is, the keyword is on your Web page, but you can not see. For example: Some people spread the keywords to all parts of the Web page, setting the color of the keyword the same as the background of the Web page, so you don't seem to see the key to this, only use the mouse to select a font after the formation of a reverse color to see, copy and paste the keyword will be copied down, but the keyword and the article is not related to , is an independent keyword, the goal is to improve the keyword density, spread the keyword layout, to improve the site rankings. But this method is also cheating, a search engine found immediately will your site into the blacklist, then regret only their own.
Seo Cheating method is really a lot, as long as you usually notice dot will not be punished by the search engine.
I represent the high-tech network technology Personal opinions I wish you seo site optimization.