I have been using urlwatch[1] for years, I have a cron run daily which will send a diff of the page(s) via email. You can also use it for checking local file changes and more.
I find their supported devices list is quite small, considering, so did your family have devices on that list, or did you experiment by flashing other hardware?
I've used LOS in the past and loved it, but in recent times with all the cars now supporting Apple and Google, it's that much harder to make the switch. It feels as if we need a dedicated "cheap" phone (obviously talking G here) just for the car to have navigation work? I've de-Googled everything recently, but this is the last thing, which seems to be unavoidable?
Old people use Google to type things in, how many times have you attempted to troubleshoot an elders internet problem by saying go to the address bar, they have no clue.