You need to have a Dispatcher Instance setup ,dispatcher flush agent set
up in author instance which invalidates the cached page /asset once the
page/asset has been activated.Sometimes even after dispatcher cache
clear, old content will be rendered due to browser cache.If issue
persists ensure that the browser cache is removed or try in incognito
window for proper testing.Refer the below doc for
reference.https://docs.adobe.com/docs/en/cq/5-6/deploying/dispatcher/page_invalidate.html#Invalidatin...