This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
Newsblur can do the first kind of filtering. You select “best gadgets” in the title, and all posts on that feed with that phrase in the title will be hidden from then on.
Feeder can do keyword filtering on titles, but not on a per feed basis, and only with simple wildcards. I’ve been able to filter out a bit with it, though.