A program to track the appearance of new pages and changes in old ones on the site?

Question

HTML

Tell me, is there such a program? Tried Website Watcher, but it only tracks changes on a specific page. Sites are ordinary, not forums, without RSS.

Answer 1

Parse the issuance of Google is not an option?
https://www.google.ru/search?newwindow=1&q=site%3A...
help on the topic: https://support.google.com/websearch/answer/246643...
There is data there, for example: Results: approximately 713,000 (0.65 sec.) result has changed, so there are new pages