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I have a website with many pages, a custom php website. The site works with a database that is growing all the time (with a php code that i dont write, so messing with that code is not my first choice)

I am looking for a method (maybe using DOM inside the same page content?) to detect every link and add a rel nofollow to the ones that direct to other sites, i only want to have follow in my internal links (that direct to my own site).

I want to do it for Google, so javascript, etc. does not works for me.

To be very clear, i want that my code checks all my links in that webpage (the same with the code), before displaying it contents, and add the rel=nofollow to outgoing links.

It is possible? Maybe using REGEX or DOM.

Thanks in advance

Ricardo Sud
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  • I'd use domdocument and http://php.net/manual/en/domdocument.getelementsbytagname.php. Then on each link http://php.net/manual/en/domelement.getattribute.php. – chris85 Nov 02 '15 at 21:37
  • If you don't wanna do it server side (PHP) or client side (javascript) you're a bit stuck :) – Rob G Nov 02 '15 at 22:12

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