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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: the challenges of 'extensible'
 On 04/12/2014 06:16 PM, Michael Sokolov wrote: It's been a very long time since I talked about this with anyone who might know, but long ago the key was CSS selectors. There was some processing of the stylesheet to look for problems. Then the search engine watched for matches of those selectors as it read the documents. No detailed tree building, but tracing that flagged common problems.Thanks for that, Simon On 4/11/2014 9:16 AM, Simon St.Laurent wrote:(Also, at this point I think most search engines are still treating HTML as annotated text, though I hear rumors of DOM-building.)I had heard they were doing at least some rendering in order to deal with the problem of invisible text spam (text rendered in white or tiny fonts or using some other trick to make it invisible to readers, and intended primarily to deceive the search engine). Maybe that doesn't require a DOM, but at the very least it requires knowing how to apply CSS to the elements, Given what they'll be testing, yes, they'll likely need a classic DOM, like Phantom.js provides. Fortunately for search engine managers, the price of memory has declined a lot since that at least decade-old conversation.and when you let Javascript in the mix, you pretty well have to create a DOM to operate on. Thanks, Simon St.Laurent http://simonstl.com/ 
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