Hello,
We apologize for the issue you are facing with the Rank Math plugin. The HTTP ERROR 503 indicates that the server is temporarily unable to handle the request, which could be due to various reasons such as server overload or maintenance.
To check if the plugin is working correctly, you can follow these steps:
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Check PHP Version: Ensure that your server is running a compatible version of PHP. You can do this by navigating to Tools → Site Health → Info in your WordPress dashboard and checking the PHP version under the Server section. If it’s outdated, you may need to contact your hosting provider to upgrade it.

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Access Rank Math Dashboard: Even if you cannot connect your account, you should still be able to access the Rank Math dashboard from your WordPress admin menu. Here, you can view various SEO settings and features.
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SEO Stats: Once the plugin is functioning properly, you can view your SEO stats by navigating to the Rank Math dashboard. You can also generate SEO reports for more detailed insights.
If you continue to experience issues, please reply to this ticket with your site URL so that a human agent from our support team can assist you further. Thank you for raising this concern, and we’re here to help!
Sources:
This Plugin Does Not Work with Your Version of PHP » Rank Math
This is an automated reply from Rank Math Support Bot. If you need further assistance, please reply to this topic and a human support agent will reply to you shortly.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.