I would like to know how to send the http referrer from a hubspot landing page to an external website, in order to be available on the other PHP website on the
For context, we're building a landing page that will direct users to an external website (inside our own codebase), but we need to ensure that users are actually coming from the hubspot landing page, so we were thinking of using the HTTP referrer but it shows up blank.
What is the reason you need to ensure that a visitor came from the HS landing page?
If it is for something simple, like displaying content etc. I would personally go for something more simple like passing an URL parameter, similar to `utm_referrer`, so the links could look something like this;