I can't even remember where I learned this, but there's a neat little trick you can do with subreddits. Simply add a plus sign (+) between the names of subreddits, after the /r/, and you'll make a feed of everything you've concatenated.
In a thread here, Ben Halpern mentioned he met a co-founder of DEV through reddit, so I figured I should be more active there too.
I've made a custom feed for myself and this community: front-end reddit newsfeed
And if you want to go to each subreddit individually: