Technical Information
| HTTP Status Code | 403 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 13.249.228.16 |
| Server Software | CloudFront |
| CDN | AWS CloudFront |
|
🚫 🟡 HTTP 403 Error | The server returned a 403 error. Check the access configuration. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 403
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 13.249.228.16
Server Software CloudFront
CDN AWS CloudFront
🚫 🟡 HTTP 403 Error The server returned a 403 error. Check the access configuration.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 6.3 ms |
| TCP Connect | 7.5 ms |
| TLS Handshake | 5.7 ms |
| Time To First Byte (TTFB) | 60.9 ms |
| Content Download | 0 ms |
| Total Response Time | 60.9 ms |
DNS Lookup 6.3 ms
TCP Connect 7.5 ms
TLS Handshake 5.7 ms
Time To First Byte (TTFB) 60.9 ms
Content Download 0 ms
Total Response Time 60.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | unitedstateszipcodes.org |
Title unitedstateszipcodes.org
HTTP Headers
| Server | CloudFront |
| Date | Sat, 22 Aug 2026 06:18:20 GMT |
| Content-type | text/html;charset=utf-8 |
| Content-length | 786 |
| X-datadome | protected |
| Accept-ch | Sec-CH-UA,Sec-CH-UA-Mobile,Sec-CH-UA-Platform,Sec-CH-UA-Arch,Sec-CH-UA-Full-Version-List,Sec-CH-UA-Model,Sec-CH-Device-Memory |
| Charset | utf-8 |
| Cache-control | max-age=0, private, no-cache, no-store, must-revalidate |
| Pragma | no-cache |
| Access-control-allow-credentials | true |
| Access-control-expose-headers | x-dd-b, x-set-cookie |
| Access-control-allow-origin | * |
| X-datadome-cid | AHrlqAAAAAMAmB3gwrNhW-YANC_MAg== |
| X-dd-b | 259 |
| Set-cookie | datadome=BonOPu8sfhkP9DmRkYJWcbQUekT_EIzPBj7Muj0EdW206_oHu~Qib3vcWDube8YggmHq_G4Vi9lmVVx2XvE4gSd4I4dLjLvr453jc_EZPD8fIel43YGybh9A~xKInmrS; Max-Age=31536000; Domain=.unitedstateszipcodes.org; Path=/; SameSite=Lax |
| X-cache | LambdaGeneratedResponse from cloudfront |
| Via | 1.1 b05d34b1a8397548a78f19a4838e1860.cloudfront.net (CloudFront) |
| X-amz-cf-pop | CDG50-P6 |
| Alt-svc | h3=":443"; ma=86400 |
| X-amz-cf-id | IWYE2do26sAXsj9Qq4RRgQUjHGuRLhUmvImd2P_q6Nxb5lQWszdYBQ== |
Server CloudFront
Date Sat, 22 Aug 2026 06:18:20 GMT
Content-type text/html;charset=utf-8
Content-length 786
X-datadome protected
Accept-ch Sec-CH-UA,Sec-CH-UA-Mobile,Sec-CH-UA-Platform,Sec-CH-UA-Arch,Sec-CH-UA-Full-Version-List,Sec-CH-UA-Model,Sec-CH-Device-Memory
Charset utf-8
Cache-control max-age=0, private, no-cache, no-store, must-revalidate
Pragma no-cache
Access-control-allow-credentials true
Access-control-expose-headers x-dd-b, x-set-cookie
Access-control-allow-origin *
X-datadome-cid AHrlqAAAAAMAmB3gwrNhW-YANC_MAg==
X-dd-b 259
Set-cookie datadome=BonOPu8sfhkP9DmRkYJWcbQUekT_EIzPBj7Muj0EdW206_oHu~Qib3vcWDube8YggmHq_G4Vi9lmVVx2XvE4gSd4I4dLjLvr453jc_EZPD8fIel43YGybh9A~xKInmrS; Max-Age=31536000; Domain=.unitedstateszipcodes.org; Path=/; SameSite=Lax
X-cache LambdaGeneratedResponse from cloudfront
Via 1.1 b05d34b1a8397548a78f19a4838e1860.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P6
Alt-svc h3=":443"; ma=86400
X-amz-cf-id IWYE2do26sAXsj9Qq4RRgQUjHGuRLhUmvImd2P_q6Nxb5lQWszdYBQ==
