datasette-referrer-policy 0.1

📰 Simon Willison's Blog

Learn to fix OpenStreetMap tile display issues in Datasette by adjusting referrer policies and debugging CAPTCHA-related problems

intermediate Published 5 May 2026
Action Steps
  1. Identify the source of the display issue using browser developer tools
  2. Check the referrer policy settings for the OpenStreetMap tiles
  3. Apply the datasette-referrer-policy plugin to adjust the referrer policy
  4. Test the fix by reloading the page and verifying tile display
  5. Debug any remaining issues related to CAPTCHA configuration
Who Needs to Know This

Developers and data scientists working with Datasette and OpenStreetMap integrations can benefit from this knowledge to troubleshoot common issues

Key Insight

💡 Adjusting the referrer policy can resolve display problems with OpenStreetMap tiles in Datasette

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Fix OpenStreetMap tile display issues in Datasette with datasette-referrer-policy

Key Takeaways

Learn to fix OpenStreetMap tile display issues in Datasette by adjusting referrer policies and debugging CAPTCHA-related problems

Full Article

Release: datasette-referrer-policy 0.1 The OpenStreetMap tiles on the Datasette global-power-plants demo weren't displaying correctly. This turned out to be caused by two bugs. The first is that the CAPTCHA I added to that site a few weeks ago w
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