Add a custom 404 page — Base44
A default 404 bounces users. A custom 404 with navigation and search keeps them on the site and reduces bounce rate.
Fixing this in Base44
No-code + AI app builder
Base44 generates reusable blocks — many fixes are applied by regenerating the affected block with clearer instructions. Paste the prompt below into your Base44 chat and the fix rolls out across the project in one pass.
Using a different tool? Pick your stack:
The prompt for Base44
Copy and paste this into your Base44 chat exactly as-is.
In Base44, regenerate the affected blocks with these exact instructions: Add a custom 404 page 1. Create a custom 404 page that helps users navigate back to working pages.
Why this matters
About 1-5% of page loads hit a 404 on most sites (typos, stale links, Googlebot discovery errors). A default bare "404 Not Found" bounces 90%+ of those visitors.
A custom 404 with search and a few popular links keeps users engaged and preserves SEO value — they do not leave Google's "dwell time" signal tanked.
How to use this prompt in Base44
- 1. Open your Base44 project.
- 2. Copy the prompt above with the copy button.
- 3. Paste into the Base44 chat and send.
- 4. Review the diff, accept the changes, redeploy.
- 5. Verify the fix using the checklist below.
Common mistakes to avoid
- error_outlineReturning 200 status for the 404 page — creates "soft 404" and confuses Google.
- error_outlineShowing only "Not Found" with no helpful links or search.
- error_outlineMissing the 404 status header even if the page is correct.
How to verify the fix worked
- check_circle`curl -I https://yoursite.com/nonexistent` returns 404 status.
- check_circleVisit a non-existent URL — branded 404 with search and links.
- check_circleGoogle Search Console → Not Found report — no "soft 404" flags.
Frequently asked questions
Should 404 pages be indexed?expand_more
Can I add analytics to 404s?expand_more
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