Hhhhmm..... my own of course (https://AlienSoup.com, https://Cameraderie.org, and others not worth mentioning). Outside of that mostly news sites like news.google.com, cnn.com, dpreview.com, arstechnica.com, slashdot.org. I used to be more active at other sites, these days I keep it to a minimum.
I participate on 4 math help sites, 2 of which I admin, one I moderate, and another I'm just a regular Joe helping students. I also participate on 2 forum based sites, including TAZ, I help admin an adult oriented site as a favor to a friend (primarily as a technical advisor), and lastly I help admin a fun anything goes community owned by one of the best forum admins I've ever had the pleasure to work with. So, I help admin vB, XF and IPS based sites.
My first stop of the day is always my own sites (those I own and/or manage), then bing.com/news. After that it's a free-for-all, but always includes Youtube, Netflix, Google News and TAZ. The news sites are aggregators, so they send me to lots of different sites, but there are several mainstays. I sometimes enjoy reading both the left and the right of political leaning stories, but have found I don't care for the extremes of either, or the more drama infused hosted programming.
It doesn't seem all that long ago (but it was - maybe 15-20 years ago) that this list would have similar sites, but include a heavy sprinkling of coding, computer modding, automotive and porn (can't ferget teh pron). However, one genre that has been conspicuously absent from my fist day online in 1992 is gaming of any sort. Never liked it.