I'm not really advertising a lot there so I do have more readers on Tapas than GC. The benefits of GC is that they allow for a variety of formats and I don't think anywhere else has their interactive reading mode? It's a bit tedious to frame out all the panels, but I was able to do it for all my comics on there that when they ran the numbers for it a while back was like 800+ pages or something.
Traffic has gone up a lot and they actually just shared some data (no actual numbers) that readership has almost surpassed 2020's and we're only in the beginning of April. So it's definitely improving but still difficult to get eyes on individual comics just like anywhere else.
On the Discord, they do talk a bit about using Reddit to promote and also other ways as well.
If you have a suggestion for how to improve the site, they are usually quick to implement it as long as it's something that would improve things. They just did an update to their mobile site. I don't use it (I don't use Tapas or WT's either really) so I can't say much but it looks cool.
I don't really have much negative to say. Like any site, it's going to rely a lot on self-promotion to get readers.
Oh and I think the way the monetize is better on GC? They have sort of a Patreon model where users can support a monthly price ($3 min) and get a few perks. They also have a monthly sub for the whole site for paid comics that actually gets split between comics the person paying will read.
There's also some crowdfunding support (again, not sure about this as I haven't used it yet):
There's also a Talent board so you can put up an ad for services or looking for talent:
They also have the option to have multiple people as creators for one project. So you don't have to have multiple people using one shared account.