How to enable 103 Early Hints?
HTTP 103 Early Hints allows the server to send instructions to the browser to start preloading assets while the server is still preparing for a full response. This feature allows the browser to load web pages faster.
To enable 103 Early Hints, navigate to ‘ Multi CDN’ > ‘General Settings’ > ‘HTTP 103 Early Hints’.
On the ‘HTTP 103 Early Hints’ box, simply turn on the switch to activate the 103 Early Hints.