Safari on macOS Sonoma 14 or later · Research guidance. Instructions are based on publisher guidance; a UK IPTV account was not tested on this platform.
Confirm the website and system
Apple documents Safari web apps starting with macOS Sonoma 14. Confirm the Mac version and read the intended website’s address before adding it to the Dock. An application-like window can still be a presentation of a website, so a familiar title alone should not establish the service operator’s identity.
Create the web app deliberately
Apple’s current Safari guide describes Share, Add to Dock and confirmation with Add. Use that action on the actual page you intend to keep. Record the original address and a clear name. Do not treat the resulting Dock icon as proof that a separate native player binary was downloaded or tested.
Understand the initial session
Apple says that in most cases an existing website sign-in is carried into the newly created web app, with the same username and password. Check the account displayed before continuing with a sensitive action. Do not assume that a second app-like window necessarily represents a different service account or a newly purchased plan.
Keep ongoing contexts distinct
Apple also describes the web app as operating independently of Safari with its own browsing data and settings. Use its own settings and privacy controls for later questions. If an ordinary Safari page and the web app behave differently, name both contexts in the support report instead of repeatedly clearing unrelated browser information or changing account credentials unnecessarily.
Questions, answered
Does adding a website to the Dock necessarily download a native player?
No. It creates a Safari web app.
Can an existing sign-in initially carry into the new app?
Apple says this happens in most cases.