Firefox `Navigate to the home page, then right-click followed by ‘View Page Info’. The select the ‘Feeds’ tab and choose the Atom or RSS feed.
Click ‘Subscribe’ and select the preferred reader.
Not sure how this will work for Web based readers (e.g. Feedly) but just copy/paste the URL to the application.
Chrome No need for plugins, extensions or addons.
Pity no-one writes blogs any more.