Google updated its quality guideline recently, among them toConceal a characterAnd concealed a link to become detailed explanation.
The conceal a character or links a likelihood to bring about you website in content is thought to cannot trust, the information that because it is propped up to search index,provides with the person that visit is different. Character (like excessive key word) the likelihood has a variety of concealing means, include: * shows on white setting white character * uses the * after literal park picture CSS to conceal literal * to be font size setting the 0 intention that obscure a link is Googlebot but capture but person eye cannot identify, the reason includes: * is linked by conceal a character to comprise (for example, literal facial expression and setting color are same) . * already used CSS to make only a tall like element chainlet is received. * link is concealed in accord with of a certain small character - for example, a hyphen among paragraph.
This paragraph of word picks above to support a center from website administrator
HelpFile. Use conceal character and obscure a link, not be cogged certainly, what is the key should see the end that adds these things. Whether be to cheat search engine to obtain good rank. If not be, is to improve user experience only, do not have a problem so. Remember, judge whether cogged key to depend on you using the jumping-off place of this technology, is not technical itself.
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