How to provide access to the static content with the least amount of latency ?

 We have a static content files on the Azure Web App.

Configure a CNAME DNS record for the Azure Content Delivery Network ( CDN ) domain.

Place the static content in Azure Blob storage and enable Content Delivery Network ( CDN ) on the account.

Reference:

https://docs.microsoft.com/en-us/azure/cdn/cdn-map-content-to-custom-domain?tabs=azure-dns

https://docs.microsoft.com/en-us/azure/cdn/cdn-add-to-web-app