When a 404 error pops up, capturing the exact URL and the time it happened...

https://front-wiki.win/index.php/What_Should_a_Good_Custom_404_Page_Include%3F

When a 404 error pops up, capturing the exact URL and the time it happened helps track down broken links quickly. Some sites add a bit of fun with playful text like "Whoopsiedoodles!" but the main goal is to guide users back on track without frustration