Open a webpage, F12 or right mouse button -> inspect element.
Go to the tree structure to expand the label you want to find and search slowly, put it on the label, and the corresponding part will be highlighted, for example, the
default review element in the figure below shows elements, and you can click to open it if you want to see other content. For example, the easter egg network and elements of Zhihu console
are the main parts that crawlers need to view
Click any item under a name to view headers, cookies and other information
In order to deal with the anti-crawler mechanism, crawlers sometimes need to set headers and cookies