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03 11/2008Only 4.13% of the web's code is valid!
A new study from Opera finds that the overwhelming majority of web sites donât adequately support web standards. The good news is that compared to previous studies, more web sites are valid today than they were in previous years. The bad news is that just 4.13% of the URLs included in the studies sample size â which was over 3.5 million web pages â passed the W3C validator.
The results came from Operaâs âMetadata Analysis and Mining Applicationâ (MAMA), a search engine that âindexes the markup, style, scripting and the technology used while creating Web pages.â Opera engineers and data miners can then ask the search engine questions like, âhow many sites use CSS?â (the answer is 80.4%) or, âhow many markup errors does the average site have?â (itâs 47).