404 page is not a kind of main content on your website, since it appears only when visitors come to an unavailable page. However, for better SEO and better experience, we should pay some attention to this kind of page, to harmonize content, and drive visitors to the wanted pages.
So, let’s explore an interesting way to have a custom 404 page with flexible content using custom fields created with Meta Box and displaying it with Elementor. This will help you change the page's content easily in daily use.