I'm currently mirroring on maybe too many websites, lol.
I have my own website, which I like because it's uhhh my own website. It has no comments section or super detailed analytics, so I don't really have a good way to gauge how many people are actively reading there (outside of people who tell me they are on Discord), but that's nice sometimes tbh.
I'm of course on Tapas, which has been my best platform in terms of engagement. I have the most subs here, and I've made some decent money from Inksgiving. Met some great people here, so can't complain.
I don't like Webtoon much at all. The website sucks, the culture sucks, and it's basically impossible to get noticed there. That being said, I've had an uptick in engagement there recently, so I'm probably gonna keep posting there until they kick me off for showing too much blood or something.
ComicFury has an old-school vibe, which I really enjoy as an old fart who grew up reading webcomics. You can fully customize your layout, which is cool, though I haven't put too much effort into that since I already have my own website, lol. They also have their forums, which is a good way to engage with other creators. Seems to have a high percentage of passive readers, but not a lot of engagement? But I haven't been there long, so maybe that's just me.
NamiComi takes a while to get used to; the website is a little confusing. I do page-a-week format, which it's not really well-designed for, though I've been assured they plan to fix that Eventually™. In the meantime, readership is pretty terrible. Community is nice, though.
GlobalComix's reading interface is incredibly slick—you can set it up so it highlights and zooms in on the panel you're currently reading, which I think is a great compromise between mobile optimization and my stubbornly sticking to page format, lol. But I always feel like a small fish in a big pond when posting there. Legitimately get no reads. Gonna keep posting there for now, but it kinda doesn't feel worth it.
And finally Fables, which is still in pre-release, but I have high hopes for it. It's made by the people behind TopWebComics, who seem genuinely passionate about helping creators as much as they can. Like ComicFury, it has a bit of that old-school vibe that I like.