Determine what framework is used for the front end. Different framework technologies can search for different keywords. You can search for keywords in the Network tab of the developer tool control panel, or you can right-click in the browser to view the source code and search for keywords.

Three major front-end frameworks

Vue Framework

• search keyword:vue

React Framework

• search keyword:react

Angular framework

• search keyword:angular

JS modular loading

RequireJS

• search keyword:require

SeaJS Framework

• search keyword:sea

Reference articles:https://segmentfault.com/a/1190000018725060

Other Summary

JS Packaging

• Search for keywords in the code:webpack、app、chunk wait

Asynchronous loading

• Check whether it is included in the Network tab of the Developer Tools control panel Fetch/XHR ask
• If the backend system/member center, etc., usually use asynchronous loading data

Summarize

• This type of technology developed website,Website Download of Single site download Generally not supported, you need to use Recording Download Function, downloaded with the help of built-in browser!