Design
Designing a 404 Page
Stuff you should definitely follow when you designing a 404 page.
Clearly state the error message
Describe the reason why the user may have landed on this page.
Add a CTA button
On most cases this could be linked to home page or contact.
Create an illustration
It's not necessarily a must but always nice to have. Show your brand's personality by creating a 404 illustration. You can refer to our illustration checklist.