Website page cache causing problems

Current set-up : SPA Pages, Windows 10, MySQL, PHP

Some users are looking at my pages and seeing old, cached pages. By old I mean pages from a day ago, or an hour ago, and the page has been updated since then.

An example from today… a client is in Corfu, on his iPad he has updated some information but cannot see the changes on a separate page nor see the changes in a PDF that is generated. It seems he is still looking at pages from yesterday. I looked and I can see the changes from here in the UK.

Could this be a simple caching problem?
How do I force any browser to always disregard cached pages?
I don’t know if this is worse on iPads/iPhones or tablets. Maybe it’s worse when in a different region from that of the server.

If anyone one could make some suggestions or educate me on this matter I would much appreciate it.

@Hyperbytes made this suggestion in another post some time ago…

     <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate"/>
     <meta http-equiv="Pragma" content="no-cache"/>
     <meta http-equiv="Expires" content="0"/>

But should this be on every page? Parent pages? Child pages?

And would this be enough?

I don’t suppose there is anything to change within the server control panel to help matters.

The site will only ever have low volumes of traffic.

Community Page
Last updated: