Inspect element is a good place to start. I would suggest the following approach: 1. Open a new tab. 2. Right click inspect element and check the option to pre

Inspect element is a good place to start. I would suggest the following approach: 1. Open a new tab. 2. Right click inspect element and check the option to preserve logs. 3. Copy and paste the link which you want to check, 4. Preserve log will keep all the re-directions. and you can then inspect what the website is upto. There are more tools, which help you debug traffic outside browser like https://mitmproxy.org https://mitmproxy.org, Wireshark etc, but I think Inspect Element should be enough to help you reproduce the scenarios mentioned in the article.