: Hiding page content from Google when it is duplicated across several sites I would like to hide some content from Google. Because a client has multiple websites with the same content then he

@Eichhorn148

Not all duplicate content is considered "bad" or "wrong" and not all of it is penalized by search engines. There is an in depth answer about that aspect at: What is duplicate content and how can I avoid being penalized for it on my site?

You mention that one reason that the content is duplicated is because the same products are sold in multiple countries on different websites. This is one area in which Google actually rewards duplicate content. To get the benefits you would need to "geotarget" each site to the country in which it is selling the products. If you own top level country code domains such as example.co.uk, your site will already be targeted to the UK from Google's perspective. If your site is on a generic top level domain such as .com, you will need to register the site in Google Webmaster Tools and set the geo target. If each site is targeted to a different country, then there is no problem with duplicating the contents. You can even have one of the sites as a global site to catch any place that you don't otherwise have a specific site to target.

If you still want to hide some of the content from Google, you can do it with AJAX. Google will not crawl the content if is blocked by robots.txt. So you can load your content into the page with code like $.ajax({url:"/syndicated/content_xyz",success:function(result){... as long as you make sure that robots.txt has this: Disallow: /syndicated

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