: How disqus comments (inside cross domain iframe) are indexed by google? According to what I have read is that google doesn't index content from any cross domain iframe since it's the content

@Ravi8258870

This is because what you had read is not fully true, as Google says:


Google tries to associate framed content with the page containing the
frames, but we don't guarantee that we will.


Or it was before 2011, when Matt Cutts from Google said:


Googlebot keeps getting smarter. Now has the ability to execute
AJAX/JS to index some dynamic comments


Disqus comments are being indexed by Google, (Facebook comments too), I have tested myself and I can find Disqus comments in SERP.

From a previous Disqus statement they said regarding iframes:


we decided to completely re-implement our commenting embed inside of
an iframe. This iframe is hosted on disqus.com and, as such, the
browser won't let your website apply styles to it using CSS
statements. We did this for a few very important reasons:

The iframe is part of our solution to provide full indexing of Disqus comments by Google and other search engines, without having to
duplicate content on your website (e.g., through a WordPress plugin).


And about Google indexing comments:


Disqus is fully indexable for search engines out- of-the-box. We have
been approved by the Google Search Quality team to be organically
crawled unlike any other comment platform.


So Google bot has become "intelligent" enough to realize that the iframe content are comments related to each webpage and can be indexed, they are not just displaying content from other webpage, but at the end, Google always has the last word:


While Disqus implements the necessary functionality for Google to
crawl comments, indexing comments is at Google's discretion.

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