Some websites even till date don't provide an RSS as either they are not actively working on it or are a legacy website and don't know or provide the option, some Free services are available like FeedYes.com that can create an rss feeds to every page on the web automatically generated feeds for any page on the web.
All you need to enter the website url or page from where you need to create the feed for. It will scan and create and RSS feed for all the linked pages.
» Generate feeds for any website or specific page
» Save those feeds: read them with your rss reader or mobile phone.
» Syndicate those feeds: put the headlines on your own website
» Monitor websites realtime: always know the latest news from any webpage<!>Example when we used this on developerfeed.
Check out FeedYes.com