Build station over the process of friends like the site name with H1, but from the aesthetic considerations, to use logo images instead of H1, then need to hide the H1 within the text, but can not be unfriendly to the search engine, or lose the definition of H1 label meaning. In the CSS how to use the word, find the CSS hidden text method, there are the following: 1, Display:none; It is common to say that search engines may think that the hidden text is spam and ignored, and does not preserve physical space for hidden objects. GG also search CSS files? But if this method,
-9999px the browser to draw a 9999-wide box ... Will degrade some performance.
More efficient methods (tried, H1 can also be used):
. hide-text {
text-indent:100%;
White-space:nowrap;
Overflow:hidden;
}
From:http://ajhcc.blogbus.com/logs/41836252.html
CSS tips: CSS methods for hiding text (CSS text-indent: -9999px;)