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 header’ flag which when enabled will enable the keep-alive for you.

Bolt-Cache Expires Headers

If you have enabled any of the caching methods available via the Bolt-Cache plugin, then the expires headers will already be set.

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