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404day-website

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4️⃣️0️⃣️4️⃣️🌐️ The official source repository for the 404Day website. 404 Day (HTTP 404, day not found) is a technical holiday starting 2021, April 4th (4.04) that celebrates hyperlinks, and raisess awareness on Link rot (Hyperlink celebration day, Link Rot Awareness day)

  • Updated Oct 2, 2025
  • CSS

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