This is because existing pages will not be updated when you update a Kompo Zer template.
Its template facility is not complete and not worth attempting to use.
Often these sites have outdated code or are badly in need of an upgrade.
For years, Dreamweaver has used templates to allow an entire site to be updated at once simply by making changes to a master page.
1 - Does Kompo Zer Dynamic Web Template allow you to create and use pages? )3 - If not how do you do templates with Kompo Zer? In consequence, the usual method for users of Kompo Zer, is to create a "master page" and make copies of that to form the "template" for other pages on a site.