get entire website via wget from https://www.linuxjournal.com/content/downloading-entire-web-site-wget

wget-entire-website.sh

#!/bin/sh
# get entire website via wget
# from https://www.linuxjournal.com/content/downloading-entire-web-site-wget
# replace EXAMPLE.COM with your site
wget \
     --recursive \
     --no-clobber \
     --page-requisites \
     --html-extension \
     --convert-links \
     --restrict-file-names=windows \
     --domains EXAMPLE.COM \
     --no-parent \
         WWW.EXAMPLE.COM

# --recursive: download the entire Web site.
# --domains website.org: don't follow links outside website.org.
# --no-parent: don't follow links outside the directory tutorials/html/.
# --page-requisites: get all the elements that compose the page (images, CSS and so on).
# --html-extension: save files with the .html extension.
# --convert-links: convert links so that they work locally, off-line.
# --restrict-file-names=windows: modify filenames so that they will work in Windows as well.
# --no-clobber: don't overwrite any existing files (used in case the download is interrupted and resumed).