The desert behavior of CSS in the website

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SEO optimization, we consider many of the site's title, label and so on optimization, keyword description, keyword density like, and for CSS, I believe many people should not care, CSS also has garbage behavior, that is of course, but these behavior 8630.html "> sometimes is unintentional, Sometimes it is deliberately added.

CSS spam, like other junk technologies, can make the site a significant gain in the short term, but, like other junk technologies, CSS spam can make a site run at a huge risk.

1, hidden text in the CSS code, this is a very old-fashioned SEO black hat method, in the page using CSS code, so that some of the key words hidden, visitors can not see, just let search engines to see, to increase the density of keywords, upgrade rankings, this method has become obsolete, the search engine has been very easy to judge out.

2, using a CSS style, add hidden text, set the "display" attribute of a format element is "None", or display its location beyond the screen, and then add a large number of rich words in this format element, to improve the ranking of the site.

3, CSS has no external, the site page appears a large number of CSS code, a large number of CSS code in the Web page, and the Web page of the CSS code is plagued the search engine patience, tired of searching the body of your site, this method on the impact of the site rankings, imagine.

Black Hat method under the use of CSS, although these elements are not visible in the browser, visitors may not be aware of the existence of words in the Web page, and the search engine for these invisible CSS elements and the normal parts of the page no difference, so, do not think deliberately use CSS to do these black hat behavior.

And for the unintentional CSS garbage behavior, that requires a little attention, do not let the code appear in a large number of web pages, so that spiders faster access to the body of the website, crawl to the page, to achieve long-term effective site optimization effect, the premise is to ensure that the optimization to avoid the use of various spam technology, even if the use of similar technology The website will be punished by the search engine sooner or later, so, do not do anything to optimize the behavior of garbage.

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