@toonben
Well, along with the tips in the OP,
Firstly, I'd suggest trying a layout where all the panels/rectangles of your comic are sequential (on top of each other) rather than next to each other. It makes it easier to read, especially for mobile readers on smaller screens. A big turnoff for potential readers is opening a new comic and seeing lots of panels, detail, and text in a relatively compact space. It can be a bit overwhelming. You're doing something similar on Instagram already, so why not try it on Tapas too?
On Webtoon and Tapas, something to try could be breaking your comics into smaller pieces and posting them as separate updates. This would help make it less overwhelming visually and would also allow you to upload more often and get to the top of the new uploads section in your genres, which is where most Canvas/indie comics get new views.
Lastly, I'd think about update titles. A repeated title with page numbers is good for organization, but it doesn't really compel someone to click and can get confusing once you have a lot of episodes and there are numbers everywhere. I personally think it's better to try and summarize what happens in a 1-4 word title. Maybe something like:
Ep. 1: The Surprise
Ep. 2: The Escape
...and so on. You could still put "Rodent's New Home" at the top of the episode pages, but I don't think it needs to be in the update title every time.
Otherwise, I can't really offer help with Tapas because like I mentioned I've struggled there too.
Really what it comes down to is making it easier for readers to see what's going on, with minimal "figure it out" time.
I once read that it usually takes at least a year for a comic to really get off the ground (unless you're in a popular niche like romance or whatever). Just be patient and consistent and you will definitely be in a much better spot!
Good luck!