wget tool to download whole site

wget --mirror --convert-links --adjust-extension --page-requisites --no-parent [URL]

Where:

• --mirror tells wget to download the entire website recursively.
• --convert-links converts links so that they work locally.
• --adjust-extension adds suitable extensions to filenames.
• --page-requisites downloads all the necessary files for a complete webpage.
• --no-parent tells wget not to ascend to the parent directory when downloading recursively.

Replace [URL] with the URL of the website you want to download.