When will my CSS site affect search engine ranking?

At first, I thought css was used absolutely for something other than style when the user was viewing it in a browser. But then I realized that css is also used by search engines on index pages. Search engines do not index content with display: hidden I suppose, and severely punish sites that use keyword clustering (the text that the user never sees is the same color as his background or that is displayed far from the screen).

Are my 2 assumptions correct? How else is CSS used by search engines? Specific CSS examples that will change my search engine rankings would be awesome .: D

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2 answers

In general, your assumptions are correct. If the text cannot be viewed by the user, then this is not meaningful text, and therefore it is not indexed. In the past, webmasters played the system by placing irrelevant keywords and text on their pages and hiding them, trying to get illegitimate searches.

In addition, the use of headings such as H1 and the positioning of text on a page (which may be affected by CSS) affects search rankings.

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Yes you are right. Do a quick Google search with SEO and CSS keywords and you'll find many articles like this:

http://www.stonetemple.com/articles/css-and-seo.shtml

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