Does Google's crawler index asynchronously loaded elements?

Asked 3/10, 2011 at 19:58 Answered 13/4, 2016 at 6:56

javascript asynchronous web-crawler google-crawlers

I've built some widget for websites which is asynchronously loaded after the page is loaded:

<html>
    <head>...</head>
    <body>
        <div>...</div>

        <script type="text/javascript">
            (function(){
                var ns = document.createElement("script");
                ns.type = "text/javascript"; 
                ns.async = true;
                ns.src = "http://mydomain.com/myjavascript.js";
                var s = document.getElementsByTagName("script")[0];
                s.parentNode.insertBefore(ns, s);
            })();
        </script>
    </body>
</html>

Is there anyway to notify Google's crawler to index the page only after the page is fully loaded (after the async JavaScript modified the HTML)?

Outage answered 3/10, 2011 at 19:58 Comment(3)

Duplicate of #2434945? – Hildehildebrand 3/10, 2011 at 20:2

Don't know the answer to your question, tough your page should have full content and be browsable even without scripts. – Reposit 3/10, 2011 at 20:4

No, it's not a duplicate - it's a different scenario. – Outage 4/10, 2011 at 13:4

No. You have to set up static mirror pages for asynchronous content. See here: http://code.google.com/web/ajaxcrawling/docs/getting-started.html

Interact answered 3/10, 2011 at 20:0 Comment(0)

Things have evolved since then:

Google crawls and indexes all content that was injected by javascript.

Google even shows results in the SERP that are based on asynchronously injected content.

Google can handle content from httpRequest().

(...)

Dynamically updated meta elements get crawled and indexed, too.

Source: http://www.centrical.com/test/google-json-ld-and-javascript-crawling-and-indexing-test.html

Agripina answered 13/4, 2016 at 6:56 Comment(0)

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