Determine whether a display issue is related to Fasterize

Introduction

Is a page not displaying correctly? Is content out of date or missing? Before contacting support, here's how to check whether the problem is related to Fasterize or your website's origin.

1. Diagnose with the Fasterize browser extension

Installing the extension

• Install our extension for Chrome or Firefox
• More information available on our blog

Display without optimizations

• Click on "See unoptimized pages" in the extension.
• The page reloads without Fasterize optimizations

Interpretation of results

• If the page displays correctly without the optimizations: the problem is probably related to Fasterize.
• If the problem persists: it probably comes from somewhere else.

💡 Contact support via the widget in the console, providing the URL concerned and a description of the bug.

2. Bypass via the file hosts

Why take this test?

• Allows you to browse without going through Fasterize or the CDN
• Ideal for directly testing the raw version of your server

Steps to follow

1. Retrieve the original IP address
   • Go to your Fasterize console > Application > Domains
2. Edit the file hosts
   • Windows : C:\\Windows\\System32\\drivers\\etc\\hosts
   • Mac/Linux : /etc/hosts
   • Add a line such as:
   • 1.2.3.4 www.votre-site.com
   • (replace the IP with your origin IP)
3. Clear the DNS cache
   • Windows : ipconfig /flushdns
   • Mac : sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
4. Reload the page
   • The Fasterize extension turns white: you are browsing directly on your origin server.

Interpreting the result

• If the bug disappears: Fasterize may be the cause.
• If the bug persists: the problem is with your server.

⚠️ Remember to remove the line from the hosts file after your tests.

Conclusion

These two methods allow you to quickly determine whether a problem is caused by Fasterize or your infrastructure. If in doubt, contact our support team with all the details you have observed for prompt assistance.