Bolt-Cache and CloudNS won't be enabled by default, so if you haven't intentionally gone to make those changes, it's fair to assume that the options are disabled. If you want to check if they have been enabled, then you can do so by going...
You can enable Keep-Alive Headers via the CloudNS plugin available in our cPanel. CloudNS -> Configure -> Application Settings Then, you will see a header of ‘Content Optimization’ – the first option in that list is the ‘set expires head...