While headless browsers may sometimes execute JavaScript-based content during a page load, search crawlers typically don’t “scroll down” to trigger new content.

Google’s Martin Splitt had to remind SEOs and site owners that Googlebot doesn’t scroll through pages. When infinite scrolling is implemented on a web page it can cause issues with how the ...

lazy: Defer loading of the resource until it reaches a calculated distance from the viewport. eager : Load the resource immediately, regardless of where it’s located on the page.

This one was about lazy loading scroll events and how Google handles them. ... They have an e-commerce site and the products are changing rapidly and are lazy loaded with JavaScript scrolling events.