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CLOUD COST PLANNING

Static Website Cost Comparator

Compare Azure Front Door + Blob Storage with AWS CloudFront + S3 for the same static website workload.

Editable USD examples prepared November 9, 2026. These are planning inputs, not live price quotes. Start with the North America delivery example, then replace rates for your visitor geography, storage region and contract. Free allowances default to zero.

HOW YOUR TRAFFIC FLOWS

Every request reaches the CDN. Only cache misses reach storage.

01VisitorsHTTPS requests
02CDN cache90% cache hits
03Storage origin10% cache misses
● Viewer requests● Origin requests Illustrative flow; dot speed does not represent latency or measured traffic.

Your workload

All asset requests, not page views.
After compression. Decimal KB = 1,000 bytes.
Headers and request bytes forwarded on a cache miss.
Average billed storage for one month; decimal GB.
Simplified model: same hit ratio for requests and bytes.
Azure Front Door + Blob Storage — rates & allowances
Example Standard base fee. Edit for your tier and billing hours.
Illustrative Hot LRS rate. Replace for your storage region and redundancy.
Example Zone 1 Standard rate: $0.009 per 10,000 requests.
Example first-band North America rate; use a blended rate for other locations or bands.
Illustrative read rate; assumes one origin read per cache miss.
Illustrative rate for forwarded request bytes, not response bytes.
Only unused applicable allowance. No allowance assumed by default.
Only unused applicable allowance. No allowance assumed by default.
Add WAF, rules, writes, logging, DNS and other charges relevant to your architecture.
AWS CloudFront + S3 — rates & allowances
Pay-as-you-go example. This tool does not model flat-rate bundle entitlements.
Example $0.023/GiB-month converted to decimal GB. Replace for your S3 region.
Illustrative North America HTTPS rate: $0.01 per 10,000.
Example $0.085/GiB converted to decimal GB; replace for geography and pricing band.
Illustrative S3 Standard GET rate; one read per cache miss.
Enter only your remaining eligible monthly allowance, shared usage considered.
No free tier applied automatically. Normalize allowances to decimal GB.
Add WAF, writes, logging, DNS and other relevant costs. Avoid double-counting bundles.
MONTHLY ESTIMATE · USD

Same workload. Two delivery stacks.

100 GB delivered100,000 origin reads10 GB origin responses

Azure

Front Door + Blob Storage

USD 44.43

Monthly cost breakdown (USD)
Fixed fee35.00
Stored data0.18
CDN requests0.90
Edge delivery8.30
Origin reads0.04
Edge-to-origin requests0.00
Other costs0.00

AWS

CloudFront + S3

USD 9.17

Monthly cost breakdown (USD)
Fixed fee0.00
Stored data0.21
CDN requests1.00
Edge delivery7.92
Origin reads0.04
Edge-to-origin requests0.00
Other costs0.00

AWS is USD 35.26 lower per month with these inputs. Compare the required features and availability as well as cost.

Cache hits reduce modeled origin reads and origin responses, but every viewer request and delivered byte still reaches the CDN. Azure forwarded request traffic: 0.1 GB.

What this estimate includes

One static origin per stack, HTTPS viewer traffic, average monthly storage and one origin GET/read per cache miss. Origin response transfer to the same provider’s CDN is modeled at zero. Azure edge-to-origin request bytes are charged separately.

How to use this estimate

Rates use one blended band, not automatic geographic or volume tiers. All volumes use decimal GB (1 billion bytes). Normalize rates and allowances from providers that bill binary GB/GiB. Allowances apply only to CDN viewer requests and edge delivery; origin reads and storage remain billed.

Add writes, WAF, rules, logs, DNS, invalidations and other charges under “Other monthly costs”. Taxes, credits, negotiated discounts, replication, dynamic backend compute, revalidation and CloudFront flat-rate bundles are not calculated. Front Door Standard and AWS pay-as-you-go are the starting examples; their security features are not equivalent.

Pricing references