★ NEW EXHIBITS APPEAR WITHOUT WARNING ★ SUBMIT ONLY A DOMAIN — OUR ROBOT FINDS /404 ★ SOFT 404s MAY BE OVERRIDDEN BY THE CURATOR ★

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HEY makes the missing page loud in purple

A gradient heading and wavy purple product panel turn a short error into a colorful detour.

hey.com/404 — desktop + phone evidence
Desktop viewport · 1440 × 900
hey.com: A gradient heading and wavy purple product panel turn a short error into a colorful detour., captured at a desktop viewport
Phone viewport · 390 × 844
hey.com: A gradient heading and wavy purple product panel turn a short error into a colorful detour., captured at a phone viewport

HTTP 404

Domain: hey.com

Captured: August 31, 2026

Views: desktop + phone capture

  • color
  • copywriting
  • product

Curator's note

The return link is tucked into the explanatory sentence while the calendar promotion occupies much more space. The phone capture makes that contrast particularly visible.

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mailchimp.com — HTTP 404
Mailchimp illustrated 404 page

Mailchimp admits it is lost

A restrained utility page explains the dead end and offers one bright route back to the homepage.

  • copywriting
  • minimal
  • helpful
mozilla.org — HTTP 404
mozilla.org: A spare white page combines a short apology with links to Mozilla, Firefox, and donations.

Mozilla admits that mistakes happen

A spare white page combines a short apology with links to Mozilla, Firefox, and donations.

  • minimal
  • copywriting
  • recovery
opera.com — HTTP 404
opera.com: Bold black-and-purple error text shares the desktop with a collage of browser screens.

Opera uses the detour to show the browser

Bold black-and-purple error text shares the desktop with a collage of browser screens.

  • brand
  • product
  • split-layout
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