Hi,
first of all, as you have enabled “Add browser cache rules for static resources” I can see that your static files have proper cache control header added: https://i.imgur.com/lY0Wlx9.png
Now coming to your first request (i.e. the HTML type request) I can see that the cache-control
data doesn’t match the one the plugin is trying to add.
It seems for the first request the cache-control
header is being added by some other place. Either by some other plugin or some server rule. Find out what is doing that Please remove whatever is adding that cache control header. The cache control header of the first request should be handledded by the plugin only.
The cache control header of the first request should be handled by the plugin only. If the plugin is adding the cache control header, you will see that the value of cache-control
header and x-wp-cf-super-cache-cache-control
will match. Which is not matching now. See: https://i.imgur.com/rLGC4YG.png