I have tried the windows version 2 years ago. The site I copied was our on-prem issue tracker (fogbugz) that we replaced.
HTTrack did not work because of too much javascript rendering, and I could not figure out how to make it login.
What I ended up doing was embedding a browser (WebView2) in a C# Desktop app. You can intercept all the images/css, and after the Javascript rendering was complete, write out the DOM content to a html file.
Also nice is that you can login by hand if needed, and you can generate all urls from code.
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I have tried the windows version 2 years ago. The site I copied was our on-prem issue tracker (fogbugz) that we replaced. HTTrack did not work because of too much javascript rendering, and I could not figure out how to make it login. What I ended up doing was embedding a browser (WebView2) in a C# Desktop app. You can intercept all the images/css, and after the Javascript rendering was complete, write out the DOM content to a html file. Also nice is that you can login by hand if needed, and you can generate all urls from code.