One of my issues, as a beginner, with attempting to create a cross platform app with web technologies is: what to go for? Where do you start? Cordova, React na

One of my issues, as a beginner, with attempting to create a cross platform app with web technologies is: what to go for? Where do you start? Cordova, React native, Etc. Which ones are best? Dart/flutter seem to offer everything. Though I have heard there are size issues with the resultant program.