Third-party cookie demo

The image on this page is from a different site: 3p-site.glitch.me.

That site sets includes a header in the response to the request for the image:

Set-Cookie: cat=tabby

The cookie is blocked.

See how it works

1. Open the Chrome DevTools Network panel
2. Click on images/kittens.jpg (you may need to refresh)
3. View Response Headers including Set-Cookie:cat=tabby

You can view the Node code that sets the cookie in server.js.