This won't work for every site, but Ars has a solution for you: if you subscribe to one of their paid tiers, you get access to an ad-free, full-text RSS feed.

This won't work for every site, but Ars has a solution for you: if you subscribe to one of their paid tiers, you get access to an ad-free, full-text RSS feed. This kind of thing is why I like RSS as a delivery mechanism: while the feed itself is an open standard and can be consumed by any properly-configured reader, services can offer additional features and gate access server-side based on a per-user token.