

Maybe not exactly what you’re looking for but
You can save all the snippets from webpages in one notebook with webclipper and then merge all those notes together to create a single note for your use case.
Additionally I use copy as markdown Firefox extension to insert small parts of webpages into existing notes
Hope that helps
Ah, yeah, sorry for my poor reading
AFAIK markdownr does the best job in this area
https://discourse.joplinapp.org/t/mobile-webclipper-companions/25860