wget: download site content

Download a page at https://www.site.org/path/to/page, and other pages on the same domain www.site.org, which are accessible from the given page:

wget \
     --recursive \
     --no-clobber \
     --page-requisites \
     --html-extension \
     --convert-links \
     --restrict-file-names=windows \
     --domains www.site.org \
     --no-parent https://www.site.org/path/to/page

upd: download a single web page with all assets (css, js, images) from the same domain:

wget \
    --page-requisites \
    --convert-links \
    --adjust-extension \
    --no-parent \
    https://www.site.org/path/to/page