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How to Create a Professional 404 Page for Squarespace

Professional 404 page design

Every website has broken links. Pages get removed, URLs change, and visitors mistype addresses. What matters isn't whether people find a 404 page — it's what happens when they do. A well-designed 404 page turns a frustrating dead end into a helpful redirect.

Why Your 404 Page Matters

Most visitors who hit a generic 404 page leave your site immediately. But a custom 404 page with clear navigation options can retain up to 74% of those visitors. That's a significant amount of traffic you'd otherwise lose.

What to Include on Your 404 Page

A great 404 page needs these elements:

  • A clear message — tell visitors what happened in plain language
  • A search bar — let them find what they were looking for
  • Navigation links — offer paths to your most popular pages
  • Your brand personality — a touch of humour or warmth goes a long way
  • A CTA — guide them towards your most valuable content or contact page

Setting Up a Custom 404 in Squarespace

  1. Go to Pages in your Squarespace dashboard
  2. Scroll to "Not Linked" section
  3. Create a new page with your custom 404 content
  4. Navigate to Settings → Advanced → 404 Error/Page Not Found
  5. Select your custom page from the dropdown
  6. Save and test by visiting a non-existent URL on your site
💡 Pro Tip

Add a link to your sitemap or your most popular blog posts on your 404 page. This turns a negative experience into a content discovery opportunity.

Design Best Practices

Keep It On-Brand

Your 404 page should match the rest of your website's design. Use the same fonts, colours, and navigation. A jarring visual disconnect will confuse visitors further.

Add Personality

A little humour or warmth can transform frustration into a positive brand touchpoint. Lines like "This page went on holiday" or "Looks like this page got lost" are far better than a generic "Page Not Found."

Make Next Steps Obvious

Don't make visitors think. Provide three to five clear navigation options — your homepage, services, blog, and contact page are usually the best choices.

Your 404 page is a hidden brand touchpoint. It's a chance to show that you care about the details — and the visitor experience.

Want a website where every detail — including the 404 page — reflects your brand? Get in touch with us.

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