HTTP Headers Analysis for https://api.blocksdk.com

Detected Technologies from Headers

See all in URL Inspect 3

AWS CloudFront

Nginx

Ubuntu

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

connection: close
transfer-encoding: chunked

Caching Headers

Cache-Control

Caching

no-cache, private

cache-control: no-cache, private

Content Headers

Content-Type

Content

application/json

content-type: application/json

Server Headers

Server

nginx/1.18.0 (Ubuntu)

server: nginx/1.18.0 (Ubuntu)

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Fri, 08 May 2026 22:33:52 GMT

Via

Other

1.1 e5d628410735781d390386fc83d23e1c.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

3xj8bDitBGc0aM6S_GBcaiBJy1bLSBlGlMmGhpdwX3eNh6RkbfUgnQ==

X-Amz-Cf-Pop

Other

IAD61-P11

X-Cache

Other

Error from cloudfront

date: Fri, 08 May 2026 22:33:52 GMT
via: 1.1 e5d628410735781d390386fc83d23e1c.cloudfront.net (CloudFront)
x-amz-cf-id: 3xj8bDitBGc0aM6S_GBcaiBJy1bLSBlGlMmGhpdwX3eNh6RkbfUgnQ==
x-amz-cf-pop: IAD61-P11
x-cache: Error from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance