---
description: Troubleshoot common speed and performance optimization issues.
title: Troubleshooting
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/speed/llms.txt  
> Use this file to discover all available pages before exploring further.

# Troubleshooting

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/troubleshooting/index.md)|[Agent setup](https://mchen-ai-models-sync.previews.developers.cloudflare.com/agent-setup/)

The following topics are useful for troubleshooting Speed issues.

Filter resources...

[**FAQ**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/observatory/faq/)

[**FAQ | Cloudflare Fonts**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/content/fonts/faq/)

[**Cloudflare Fonts troubleshooting**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/content/fonts/troubleshooting/)

[**Content encoding issues**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/content/troubleshooting/content-encoding-issues/)

[**Turn off Auto Minify via API**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/content/troubleshooting/disable-auto-minify/)

[**Image optimization on optimized images**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/images/troubleshooting/multiple-optimizations/)

[**Troubleshoot missing images**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/images/troubleshooting/troubleshooting-missing-images/)

[**Enhanced HTTP/2 Prioritization negatively affects iOS/Safari devices**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/protocol/troubleshooting/enhanced-http2-prioritization-ios-safari/)

[**Troubleshoot protocol issues**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/optimization/protocol/troubleshooting/protocol-troubleshooting/)

[**Troubleshooting a slow website**](https://mchen-ai-models-sync.previews.developers.cloudflare.com/speed/troubleshooting/slow-website/)

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