Download an entire website with wget, along with assets.

wget.sh

# One liner
wget --recursive --page-requisites --adjust-extension --span-hosts --convert-links --restrict-file-names=windows --domains yoursite.com --no-parent yoursite.com

# Explained
wget \
     --recursive \ # Download the whole site.
     --page-requisites \ # Get all assets/elements (CSS/JS/images).
     --adjust-extension \ # Save files with .html on the end.
     --span-hosts \ # Include necessary assets from offsite as well.
     --convert-links \ # Update links to still work in the static version.
     --restrict-file-names=windows \ # Modify filenames to work in Windows as well.
     --domains yoursite.com \ # Do not follow links outside this domain.
     --no-parent \ # Don't follow links outside the directory you pass in.
         yoursite.com/whatever/path # The URL to download

trying to make for PDF's and others but buggy, see flags and more behind about why would be failing

One liner

wget --recursive --page-requisites --adjust-extension --span-hosts --convert-links --restrict-file-names=windows --domains https://sustainability.google,www.gstatic.com --no-parent https://sustainability.google/reports/ -A "*.pdf"

Explained

wget
--recursive \ # Download the whole site.
--page-requisites \ # Get all assets/elements (CSS/JS/images).
--adjust-extension \ # Save files with .html on the end.
--span-hosts \ # Include necessary assets from offsite as well.
--convert-links \ # Update links to still work in the static version.
--restrict-file-names=windows \ # Modify filenames to work in Windows as well.
--domains hah.com \ # Do not follow links outside this domain.
--no-parent \ # Don't follow links outside the directory you pass in.
yoursite.com/whatever/path # The URL to download

https://www.computerhope.com/unix/wget.htm
https://unix.stackexchange.com/questions/458634/download-website-with-page-requisites-but-only-images-and-css