Lately, I've been looking at a few different options for a CMS platform. Of the ones that I've looked at, I think Umbraco makes the most sense, considering that most of my work uses C# & .Net, it has online hosting for ~$35/month, and it's been the easiest for me to understand.
I first tried Flutter back in 2018, prior to the first major release. Then, a year or so later, I came across Blazor. Both platforms have come a long way since then, but I haven't seen an in-depth comparison of the development experience between the two.