At what point does Googlebot run JavaScript code?

I am currently managing single page web apps on different domains that heavily utilize javascript and ajax to display content. After reviewing logs and search data, I have noticed that Googlebot processes javascript on certain domains but not others. It seems that on some domains, Googlebot indexes all content only accessible through javascript, while on others it doesn't run javascript at all.

Does anyone know the criteria Googlebot uses to decide which javascript to run? Is there a way for me to influence Googlebot to execute javascript on my other domains?

Additionally, I understand that server-side rendering is typically recommended for this situation, but since my websites are not heavily reliant on search engine performance, I am exploring simpler ways to optimize Googlebot's handling of javascript on all domains.

javascriptajaxseoexecutiongooglebot

Answer №1

If you're curious about how Google handles rendering ajax-based websites and want to know the best practices, you can find more information directly from the Google developer website:

https://developers.google.com/webmasters/ajax-crawling/

To address your specific issue, I recommend analyzing each domain using Google Webmaster Tools and utilizing the "Fetch as Google" feature while also reviewing every technical aspect outlined in the Google guide.

https://support.google.com/webmasters/answer/158587?hl=en

Answer №2

It appears that Google has recently conducted new research on the topic. Click here to read more

Answer №3

The process of having your page crawled by Google Bot and viewing the results has now been integrated into Google Search Console.

You have the option to utilize the URL Inspection Tool to examine your live URL.

I conducted a test on an AngularJS App and found that Google Bot successfully crawled the page content, including data retrieved from AJAX requests.

Answer №4

An essential limitation to note is that the Googlebot does not support AJAX requests during page loading.

In a recent blog entry, I delve into strategies for making a Single Page Application searchable without relying on server-side HTML snapshots.

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