A "browser page" refers to the screen that you see when using a web browser, which displays websites, documents, or other information on the internet. It's like a window that allows you to view and interact with online content. Full definition
* all the main links will open in a new browser page so you don't have to keep clicking back one page to return here. (mareeanderson.com)
For that price, the gadget enables users to stream movies, TV shows, music or even browser pages, offering plenty of versatility for its price point. (techtimes.com)
There's also the userContent.css file, which allows you to modify the content of browser pages like the New Tab page. (howtogeek.com)