For regression models I regularly use
emmeans/emtrends: https://aosmith.rbind.io/2019/03/25/getting-started-with-emmeans/
visreg: https://pbreheny.github.io/visreg/
rr2
to plot partial residual plots, calculate model coefficients and effect sizes, and extract pseudo R-squared values for anything that is not least squares. This is especially useful for regression models with lots of variables, especially multiple categorical variables and/or interactions.