Which of the following tools allows you to download World Wide Web sites from the Internet to a local computer?

Netcraft is an internet research and security service that provides web server technology lookup and anti-phishing tools, not a site downloader.

HTTrack Website Copier works by crawling a target website and mirroring its entire structure - HTML, images, links, and other assets - to a local directory, preserving relative links so the site can be browsed offline. It is widely used in ethical hacking reconnaissance to obtain a local copy of a target website for offline analysis.

Netstat is a command-line utility that displays active network connections and listening ports on the local machine, not a web downloader.

Cheops-ng is a network management and topology mapping tool used to visualize network infrastructure, not for downloading websites.