The HTTP Settings section in the dashboard provides you with a number of high level configuration options and service details for your domain.
Websocket is a specialised protocol that allows for two way, ongoing communication between the client browser and the server. If your application is using it then you will know whether you need this or not. Otherwise it is best to leave off.
Enabling GZIP will mean that appropriate content will be compressed via GZIP before sending to the client, if supported by the client. This will result in very significant bandwidth savings. Only turn off if you have special legacy clients that cannot support it.
Enabling Brotli will mean that appropriate content will be compressed using Brotli if supported by the client. This will result in very significant bandwidth savings. Only turn off if you have special legacy clients that cannot support it.
Enforce a HTTP redirect at the Peakhour edge. Supported redirect modes include: The Redirect option in Site Settings enables you to enforce a HTTP redirect at the Peakhour edge. The supported redirect modes are:
Configure a list of host names that your domain also responds to. Typically this would just be www.yourdomain.com.au but in case you have others and they are pointed to Peakhour then you should enter them here.
Include a cookie with all requests to identify user sessions.
Output debug headers with responses to assist with debugging cache and transform behaviour.