Static website has correct content but it's not reflected on the custom domain

Question

Static website has correct content but it's not reflected on the custom domain

Nathan 0

Our CI/CD deploys successfully and we can see the changes in the xsitex.azurestaticapps.net immediately.

However, even when we have "Cache-Control": "no-cache" in the staticwebapp.json the content is not updating in the public facing www.xsitex.com

User's image

See network traffic inspection on the file it correctly states no-cache.
User's image

I've tried numerous approaches and see threads on this issue eg:
https://free.blessedness.top/en-us/answers/questions/1474652/static-web-app-caching-content
Forums seem to have many people with the same issue. There is no action in the azure dashboard for static websites to flush this cache so how can we fix this independently without support?

I've paid for support but I cannot raise a ticket with the azure team.

How can we get the azure team to flush the cache?

RAMAMURTHY MAKARAPU 535 Reputation points Microsoft External Staff Moderator

2025-10-08T21:30:31.66+00:00

Hi @Nathan ,

Could you please Let me know the below answer is helpful to resolve your issue ?
Nathan 0 Reputation points

2025-10-09T04:50:03.7566667+00:00

Thanks @Alex Burlachenko for your suggestions. I'd not tried the header approach. But even with the header added, redeployed and attempting the additional query string - still no joy.

and following your instructions for support is exactly how I recall getting support in the past, but this is where it gets extra frustrating - it seems azure has removed the actual support.

Navigating with 'Next' gives a lot of articles and community links but no actual support option for an engineer to look at it.

The client is paying for support but they are not getting it.
Nathan 0 Reputation points

2025-10-09T04:55:20.7833333+00:00

@RAMAMURTHY MAKARAPU thanks for checking in. No - unfortunately.

Do you know how to raise a support ticket for Azure static websites? You'll see the option is not available. There is no option for 'Technical' so we go around in circles and seem get directed to here with the claim of

Prioritized support on Microsoft Q&A

Your support plan includes prioritized responses by support engineers on Microsoft Q&A.

But the UX is not clear how to obtain this support so the site is remaining with incorrect information day-on-day. The client is not happy.
Nathan 0 Reputation points

2025-10-09T05:14:30.0933333+00:00

@RAMAMURTHY MAKARAPU thanks for checking in. No - unfortunately.

Do you know how to raise a support ticket for Azure static websites? You'll see the option is not available. There is no option for 'Technical' so we go around in circles and seem get directed to here with the claim of

Prioritized support on Microsoft Q&A

Your support plan includes prioritized responses by support engineers on Microsoft Q&A.
RAMAMURTHY MAKARAPU 535 Reputation points Microsoft External Staff Moderator

2025-10-09T23:56:21.89+00:00
Hi @Nathan ,

Thank you for submitting your question on Microsoft Q&A.

Could you please provide what type of subscription plan are you using?

The types of subscriptions and the ability to raise a support request are listed below

Support planRaise technical support RequestSuitable forBasicNo we cannot, Only Billing and subscription supportFree for all Azure customersDeveloperYes we can raise in the business hoursTrail/Dev environmentsStandardYes we can raise 24X7 critical issueProduction workloadDirectYes we can raise 24X7 faster response and advisory services.Business critical environmentsPremierYes we can raise customized supportEnterprise level support.If you have a proper subscription plan here is the guide to rise a request

Sign in to the Azure Portal: Go to https://portal.azure.com and log in with your Azure account.

Navigate to Help + Support: On the left-hand menu, click on “Help + support”.

Click on “Create a support request”: This will open a guided form.

Fill in the required details:

Issue type: Choose the type of issue (e.g., technical, billing, subscription management).

Subscription: Select the Azure subscription related to the issue.

Service: Choose the affected Azure service (e.g., Virtual Machines, Azure SQL).

Resource: Select the specific resource if applicable.

Problem type and details: Provide a detailed description of the issue.

Choose the support plan level: Based on your subscription and support plan, you may be eligible for different levels of support.

Review and submit: After filling in all the details, click “Create” to submit the request.

Reference documentation: -

https://free.blessedness.top/en-us/power-pages/admin/site-checker-cache-invalidation?source=recommendations
https://free.blessedness.top/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request
Nathan 0 Reputation points

2025-10-10T02:45:20.3033333+00:00

Yes, the client is paying for support yet I can not raise a ticket.

We just loop here to the forums instead of engineer support. How do I ask the engineer to flush the azure infrastructure? "Minimal business impact (Sev C): <8 business hours". this has been many days now.
Vimal Lalani 1,735 Reputation points Microsoft External Staff Moderator

2025-10-10T12:06:32.0466667+00:00
Hi Nathan

I appreciate your patience on this.

Could you please check if you’ve tried setting "Cache-Control": "no-store" in your staticwebapp.config.json file?

Reference: Disable cache for authenticated paths

The "no-store" directive ensures that no version of the content is cached, either by browsers or intermediate servers, and might help resolve the issue where changes aren’t reflected on the custom domain.

If the issue still persists, please share the following details in a private message so the Azure support team can review and assist further:

Subscription ID

Resource Group

Resource ID

Static Web App name and URL

Contact email

Working hours and timezone

Availability on Microsoft Teams

This will help the support team investigate and perform necessary actions
RAMAMURTHY MAKARAPU 535 Reputation points Microsoft External Staff Moderator

2025-10-16T22:52:58.26+00:00
Hello @Nathan ,
When you deploy updates to an Azure Static Web App, you might notice something confusing:

The default domain (<app-name>.azurestaticapps.net) reflects changes immediately.

Your custom domain (e.g., www.xsitex.com) sometimes continues to show old content for a while.

The Role of Azure’s Integrated CDN

Azure Static Web Apps automatically uses an integrated Content Delivery Network (CDN) for custom domains. This CDN caches your static assets at edge locations worldwide to improve performance and reduce latency.

When you access the default domain, it bypasses the CDN edge cache and fetches content directly from the origin. That’s why updates appear instantly.

When you access your custom domain, the request goes through the CDN layer, which may serve cached content until its Time-To-Live (TTL) expires.

Why Cache-Control: no-cache Doesn’t Solve It

You might think setting Cache-Control: no-cache in your headers would prevent caching. However:

Cache-Control: no-cache only tells browsers to revalidate with the server before using cached content.

CDN nodes can still serve stale content because they follow their own caching policies, not just your headers.

So even if your browser is asking for fresh content, the CDN might respond with an old version until its cache expires.

How to Fix It

Here are the best practices to ensure your updates show up quickly:

Option 1: Purge the CDN Cache

Use the Azure Portal or Azure CLI to purge the CDN cache after each deployment.

This forces all edge nodes to fetch the latest content.

Option 2: Use Cache-Busting Techniques

Append a version query string to your assets (e.g., main.css?v=2.0).

This makes the CDN treat it as a new resource.

Option 3: Configure Proper Cache Headers

For frequently updated files (like index.html), set:

Cache-Control: no-cache, no-store, must-revalidate

For static assets (images, CSS, JS), you can allow longer caching with versioning.

Option 4: Use Azure Front Door or Custom CDN Rules

If you need more control, integrate Azure Front Door or a custom CDN profile to manage caching policies.

How to Contact Azure Support

From your screenshot, it looks like you’re stuck in the troubleshooting wizard. Here’s the correct path:

Go to Azure Portal → Help + Support (global menu, not inside the resource).

Click Create a support request.

Fill:

Issue type: Technical

Subscription: Select your paid subscription

Service: Static Web Apps

Problem type: Custom domain caching issue

If you still don’t see the option, your subscription might not have technical support enabled. You need:

Azure Standard or Professional Direct support plan (Basic does NOT include technical support).

Check here: Azure Support Plans

Could you please follow the step and let me know still need any assistance.

Kindly let us know if the above comment helps or you need further assistance on this issue.

Please "upvote" if the information helped you. This will help us and others in the community as well.

1 answer

Your answer

RAMAMURTHY MAKARAPU 535 Reputation points Microsoft External Staff Moderator

2025-10-08T21:30:31.66+00:00

Hi @Nathan ,

Could you please Let me know the below answer is helpful to resolve your issue ?
Nathan 0 Reputation points

2025-10-09T04:50:03.7566667+00:00

Thanks @Alex Burlachenko for your suggestions. I'd not tried the header approach. But even with the header added, redeployed and attempting the additional query string - still no joy.

and following your instructions for support is exactly how I recall getting support in the past, but this is where it gets extra frustrating - it seems azure has removed the actual support.

Navigating with 'Next' gives a lot of articles and community links but no actual support option for an engineer to look at it.

The client is paying for support but they are not getting it.
Nathan 0 Reputation points

2025-10-09T04:55:20.7833333+00:00

@RAMAMURTHY MAKARAPU thanks for checking in. No - unfortunately.

Do you know how to raise a support ticket for Azure static websites? You'll see the option is not available. There is no option for 'Technical' so we go around in circles and seem get directed to here with the claim of

Prioritized support on Microsoft Q&A

Your support plan includes prioritized responses by support engineers on Microsoft Q&A.

But the UX is not clear how to obtain this support so the site is remaining with incorrect information day-on-day. The client is not happy.
Nathan 0 Reputation points

2025-10-09T05:14:30.0933333+00:00

@RAMAMURTHY MAKARAPU thanks for checking in. No - unfortunately.

Do you know how to raise a support ticket for Azure static websites? You'll see the option is not available. There is no option for 'Technical' so we go around in circles and seem get directed to here with the claim of

Prioritized support on Microsoft Q&A

Your support plan includes prioritized responses by support engineers on Microsoft Q&A.
RAMAMURTHY MAKARAPU 535 Reputation points Microsoft External Staff Moderator

2025-10-09T23:56:21.89+00:00

Hi @Nathan ,

Thank you for submitting your question on Microsoft Q&A.

Could you please provide what type of subscription plan are you using?

The types of subscriptions and the ability to raise a support request are listed below

Support planRaise technical support RequestSuitable forBasicNo we cannot, Only Billing and subscription supportFree for all Azure customersDeveloperYes we can raise in the business hoursTrail/Dev environmentsStandardYes we can raise 24X7 critical issueProduction workloadDirectYes we can raise 24X7 faster response and advisory services.Business critical environmentsPremierYes we can raise customized supportEnterprise level support.If you have a proper subscription plan here is the guide to rise a request

Sign in to the Azure Portal: Go to https://portal.azure.com and log in with your Azure account.

Navigate to Help + Support: On the left-hand menu, click on “Help + support”.

Click on “Create a support request”: This will open a guided form.

Fill in the required details:

Issue type: Choose the type of issue (e.g., technical, billing, subscription management).

Subscription: Select the Azure subscription related to the issue.

Service: Choose the affected Azure service (e.g., Virtual Machines, Azure SQL).

Resource: Select the specific resource if applicable.

Problem type and details: Provide a detailed description of the issue.

Choose the support plan level: Based on your subscription and support plan, you may be eligible for different levels of support.

Review and submit: After filling in all the details, click “Create” to submit the request.

Reference documentation: -

https://free.blessedness.top/en-us/power-pages/admin/site-checker-cache-invalidation?source=recommendations
https://free.blessedness.top/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request
Nathan 0 Reputation points

2025-10-10T02:45:20.3033333+00:00

Yes, the client is paying for support yet I can not raise a ticket.

We just loop here to the forums instead of engineer support. How do I ask the engineer to flush the azure infrastructure? "Minimal business impact (Sev C): <8 business hours". this has been many days now.
Vimal Lalani 1,735 Reputation points Microsoft External Staff Moderator

2025-10-10T12:06:32.0466667+00:00

Hi Nathan

I appreciate your patience on this.

Could you please check if you’ve tried setting "Cache-Control": "no-store" in your staticwebapp.config.json file?

Reference: Disable cache for authenticated paths

The "no-store" directive ensures that no version of the content is cached, either by browsers or intermediate servers, and might help resolve the issue where changes aren’t reflected on the custom domain.

If the issue still persists, please share the following details in a private message so the Azure support team can review and assist further:

Subscription ID

Resource Group

Resource ID

Static Web App name and URL

Contact email

Working hours and timezone

Availability on Microsoft Teams

This will help the support team investigate and perform necessary actions

Answer 1

Hi Nathan,

what's happening is that Azure uses a CDN for custom domains that has its own caching layer separate from your staticwebapp.config rules. Even with "no-cache" headers, the edge nodes might be serving stale content.

add a query string parameter to your URLs when testing. Something like ?v=2 or ?timestamp=123456789 can bypass the CDN cache for immediate verification that your new content is actually deployed.

You can also try forcing a different cache behavior by modifying your staticwebapp.config. Instead of just "no-cache", try:

{ "headers": [ { "path": "**", "headers": [ { "name": "Cache-Control", "value": "no-cache, no-store, must-revalidate" } ] } ] }

The Static Web Apps documentation mentions cache behavior for custom domains https://free.blessedness.top/en-us/azure/static-web-apps/configuration.

Another workaround is to temporarily switch your custom domain to point directly to your .azurestaticapps.net URL instead of using the CDN endpoint. This isn't ideal for production, but it can confirm whether the issue is specifically with the CDN caching.

If you need immediate resolution and have paid support, you should be able to create a support ticket through the Azure portal. Go to your Static Web App resource, then select "Help + support" in the left menu, and create a new support request. Choose "Technical" for issue type and "Static Web Apps" for the service.

You can also try reaching out to the Azure Static Web Apps product team through their GitHub repository. They're often responsive to caching issues reported there.

For future deployments, consider implementing cache-busting techniques in your build process, like adding content hashes to your filenames or using versioned directories

regards,

Alex

and "yes" if you would follow me at Q&A - personaly thx.
P.S. If my answer help to you, please Accept my answer

https://ctrlaltdel.blog/

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Static website has correct content but it's not reflected on the custom domain

Do you know how to raise a support ticket for Azure static websites? You'll see the option is not available. There is no option for 'Technical' so we go around in circles and seem get directed to here with the claim of

1 answer

Your answer