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jefftk on March 22, 2014 | parent | context | favorite | on: JDK8 + Facebook React: Rendering single page apps ...

    If all your content is generated by a single page web app
    that downloads data and executes JS, your site won't get 
    crawled at all - no popular search engines executes JS.

GoogleBot does actually execute at least some javascript: https://twitter.com/mattcutts/status/131425949597179904 http://googlewebmastercentral.blogspot.com/2011/11/get-post-... and http://www.jefftk.com/p/googlebot-running-javascript

m0th87 on March 22, 2014 [–]

It's not worth relying on IMO. We had some pretty straight-forward backbone views populated by AJAX content in production, and it was never crawled. In general it's very unclear what capabilities the crawler is capable of.

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