For me:
Facebook
Youtube
Google email
Steam
Obviously here and a few other boards (SomethingAwful, SitcomsOnline, FansofRealityTV, Giraffeboards, sometimes TheHighRoad, PuffForums, and Fark)
Ebay and Craigslist maybe once a week
The Dope
Facebook
GOG
Steam
Wikipedia
YouTube
The forums Spacebattles and Sufficient Velocity (primary sci fi/fantasy boards)
Giantitp (Order of the Stick homepage/forum)
Playstarbound.com (to check if there’s new updates)
Here
Giraffe boards
Facebook
Gmail
Yahoo mail
Google news
Chronicle of Higher Ed forums and front page
My university website
Here, the Geeb, Facebook, and reddit.
my local NBC affiliate for CT local news
wunderground
Wikipedia
Yahoo Finance to check the DJI
here
Netflix
Pinterest
youtube
Amazon
Here
Facebook
Buzzfeed
Probably Wikipedia, by chance
Here, the Geeb, and Facebook. My email is still AOL but I neither use its client nor the aol . com website every day because the web site is so frackin slow. I check my mail on my smartphone.
Here
FB
Reuters (it’s my homepage)
A number of apps that are little more than “websites in app form”, like ESPN, CNN, NBA, and Business Insider
And, sadly, I can no longer visit Grantland. 
Straight Dope Message Board
Gamefaqs - has been my home page for 15+ years
Wikipedia
Steam
Yahoo!
CNN
Facebook
SMH
SDMB
YouTube
Goodreads
Instagram
365
Whirlpool
email
reddit
slack
facebook
fark
the fucking homepage (SFW other than the name http://fuckinghomepage.com )
university homepage
university library home page
ny times
I’m sure there are others, but I can’t think of them just now.
mlbtraderumors,com
facebook
the derp/the giraffe/sports interactive forums
Here
Dave Barry’s Blog - Dave Barry's Blog
boredpanda.com
rockpapershotgun.com
Wikipedia
Google, Craigslist and Here.
Here
Shorpy
Boing Boing
Dilbert
Willy 'n Ethel
Huffington Post
Bring a Trailer
TV Guide listings
Amazon
Pandora
Wikipedia
Yahoo Mail :o
Pretty much in this exact order:
Waze live traffic map
The work cafeteria menu
Facebook
Here
Washington Post
ESPN
CBS Sports
Audible.com (just to check the Daily Deal)
Bloomberg (but it’s gone down hill since they changed the format earlier this year)
Dope
SDMB
Fark
Cracked
Comics Curmudgeon
Cake Wrecks
Quora
Bored Panda
This is it.
Sad, really…
(well, the not being on social media might be a titch pathetic, but the being too busy teaching and doing cool crap is pretty legit…)