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I wanted to replace match text to html link in content area in each post on WordPress site.

I implemented that by JavaScript as follows.


jQuery(document).ready(function(){

  var selector = `article p` ;

  for (i = 0; i < document.querySelectorAll( selector ).length; i++){
    if ( document.querySelectorAll( selector )[i].innerText.match(/(vpn|VPN)/) !== null ){
      var term = document.querySelectorAll( selector )[i].innerText.match(/(vpn|VPN)/)[1]
      document.querySelectorAll( selector )[i].innerHTML = document.querySelectorAll( selector )[i].innerHTML.replace( term ,`<a href="https://yuis-programming.com/vpn">${term}</a>`)
      break
    }
  }

});

As you can see the one replace plain HTML text with p tag for hyperlink with dofollow.

So, this is my question. Does such JavaScript work correctly for SEO?

  • Do you care much about minor search engines other than Google (like Bing)? – Stephen Ostermiller Jan 14 at 12:01
  • A little, not so much. – igar Jan 14 at 14:39
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Google can't see some JavaScript links, so you need to be careful.

Which links does Google index?

<a href=”/good-link”>Will be crawled</a> 

This is a regular a href link that will be crawled by Google.

<span onclick=”changePage(‘bad-link’)”>Not crawled</span> 

Google will not crawl this link because it is not an anchor.

<a onclick=”changePage(‘bad-link’)”>Not crawled</a> 

This link is in an anchor, but it does not use the href attribute. That’s why Google won’t crawl it.

<a href=”/good-link” onclick=”changePage(‘good-link’)”>Will be crawled</a> 

This link will be crawled by Google because it is an anchor with a href attribute.

Source

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