sitemap_index.xml is a blank page

Hello,

Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.

I have moved your message to your own thread so we can help you easier (I saw your message on https://support.rankmath.com/ticket/sitemap_index-xml-is-a-blank-page/?view=all).

We might need to take a closer look at the settings. Please edit the first post on this ticket and include your WP logins in the designated Sensitive Data section.

It is completely secure and only our support staff has access to that section. If you want, you can use the below plugin to generate a temporary login URL to your website and share that with us instead:

https://wordpress.org/plugins/temporary-login-without-password/

You can use the above plugin in conjunction with the WP Security Audit Log to monitor what changes our staff might make on your website (if any):

https://wordpress.org/plugins/wp-security-audit-log/

We really look forward to helping you.

Hello Austin,

It looks like you are serving a cached version of your sitemap to Google and your visitors.

You must add all the sitemap file locations to the exclusion list in your Cache plugin so that the sitemaps are never cached. These are the files you must add to the exclusion list:

sitemap_index.xml
post-sitemap.xml
page-sitemap.xml
category-sitemap.xml
product-sitemap.xml

This is required since Sitemaps are already cached internally by Rank Math and we flush them every time you post something new and with our cache – you won’t see the issue you are seeing in Google.

Hope that helps and please do not hesitate to let us know if you need our assistance with anything else.