The problem is the version of your IF node that has a bug.
Here’s an updated version for you to copy and paste. I’ve already tested and it works.
You could also try deleting your if node and creating it again from scratch.
You probably copied and older version from some template or from an old workflow.
I think there is overall an issue because the website is an SPA so all you get in the HTTP response now is <app-root></app-root>. I think what you want is compare the listings content ?