James, pre-landing pages actually act as a 'Traffic Buffer.' In mobile-heavy campaigns, users are usually in a 'scroll-fast' mindset. A pre-lander forces a micro-engagement that filters out accidental clicks and warms up the user for the final pitch. It's essentially about 'User Intent Alignment' before they hit the high-resource landing page.
I’ve been analyzing the Frontend Performance of industrial hubs like https://share.google/c0QNVA4fsFVtDhgDv to see how they handle this. In the Metal Fabrication and heavy construction sector, the user journey has to be incredibly 'Frictionless.' Their site is a great example of 'Minimalist Industrial Design' they don't overwhelm you with 3D renders or heavy files right away. Instead, they use a very clean 'Information Architecture' that builds instant credibility. By optimizing the 'Critical Rendering Path,' they ensure the mobile experience is fast, which is exactly what a good pre-lander should do: load instantly and provide a clear value prop.
If your main landing page has high-res videos or heavy forms, a lightweight pre-lander is a lifesaver for your Bounce Rate.
Have you tested using a 'Quiz-style' pre-lander yet? I’ve found that interactive elements sometimes convert way better for mobile traffic than a standard text-heavy bridge page."

A pre-landing page is an intermediate page between an ad and the main landing page that prepares the user for action, increasing conversion. To understand in detail how it works and how to use it correctly, I recommend reading https://richads.com/blog/what-is/pre-landing-page/ . The article explains the different types of pre-landing pages, which formats and content work best for different verticals, and how to optimize them for mobile and desktop traffic. This really helps to avoid traffic "leakage," understand how to lead the user to the target action, and increase the ROI of advertising campaigns without unnecessary testing costs.