Hi kontakt-4135,
Thanks for reaching to us and appreciate your patience.
1. Width
Sorry, but your answer is a bit unclear to me. Please describe in more details, this will allow me to thoroughly investigate and address your concerns in a more efficient.
2. RankMath
I kindly request you to conduct a check by activating the default WordPress Theme, such as Storefront or Twenty Twenty-Three (Appearance > Themes) and keep WoodMart Core and WooCommerce plugins activated. This is to ascertain whether the issue you are experiencing is due to our theme or not.
3. Infinite scrolling
You can select this Predefined layout https://prnt.sc/BQLxA6CgPJNs
Then, you can enable Infinite Scrolling option in Theme Settings > Product archive > Products grid https://prnt.sc/pIJC615qeQsR
Regards,