If, for whatever reason, you want to use Chrome to inspect a site, but the site tries to be smart and deactivates the functionality when it detects you activate DevTools, you can try to use “Remote debugger” to try to bypass it.
This is achieved by starting Chrome with a debugging port and connecting to it from another Chrome instance.
Step 1: Launch your 1st Chrome instance. This will be your debugger. (This step is needed if not attempting to launch the 2nd Chrome will collapse it to the first one.)
Step 2: Launch 2nd Chrome with debugging port (below for MacOS)
sudo /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --remote-debugging-port=9222
Step 3: In the 2nd instance, navigate to the target site to be debugged.
Step 4: From the 1st instance, navigate to http://localhost:9222/ and you should see a list of “Inspectable pages”. Click on your target site.
DevTools should open, and you can inspect the site.