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HTTP response headers can be added, and some of a site’s HTTP response headers can be edited or removed. Modifications to HTTP response headers should be made with filters in a custom plugin or in a theme’s functions.php file.
A set of default HTTP response headers are added to every site that is hosted on the VIP Platform. These headers help WPVIP to monitor the platform and can be useful for troubleshooting the origin of a request.
By default, responses to a request are served by an edge server geographically located closest to the user making the request. However for testing purposes or to debug issues related to caching behaviors it can be useful to target an edge server in a specific global location.
To send emails from a custom domain, the domain’s DNS must be updated with the required DNS record values (SPF, DKIM, or DMARC). A domain’s DNS records must be detected by the WPVIP Platform before the domain can be used for sending emails.
VIP Authentication enables users to log in to the VIP Dashboard securely, by signing in with their GitHub or WordPress.com user account and verifying their identity with a preferred multi-factor authentication (MFA) method.
Slow queries are SQL database queries made by application code that take an unusually long time to execute. An increase in slow queries will reduce the efficiency and resiliency of an application’s database. A site with frequent slow queries might appear to operate well under normal amounts of traffic, but can perform poorly if the amount of traffic increases even by small amounts.