[mothered]

The web developers say it is not on their side as everyone outside our network gets the new information.

I spoke to our network engineers and they say that we have to tell the web devs to disable website caching from their side.

I don't see why your networking team put the Issue down to the web developers. Clearly If the updated content Is available externally, It must be an Internal Issue on your work's end.

Take @"Axari"'s post under advisement. He's made a very good recommendation.