Complex sentence: For a website, often it is enough just to provide the url link to the page or subpage, however, for longer webpages it might be necessary to provide more information like a section header where the information can be located.
Split into simpler sentences: For a website, it is often enough to just provide the url link to the page or subpage. For longer webpages it might be necessary to provide more information, like a section header, where the information can be located.