HTTP Headers Analysis for https://notablepdf.com

Detected Technologies from Headers

See all in URL Inspect 3

AWS CloudFront

Cloudways Active incidents

Nginx

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding,Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding,Accept-Encoding

Caching Headers

Age

Caching

70264

Cache-Control

Caching

max-age=0, s-maxage=2592000

Expires

Caching

Tue, 12 May 2026 07:55:30 GMT

Last-Modified

Caching

Tue, 12 May 2026 05:09:31 GMT

age: 70264
cache-control: max-age=0, s-maxage=2592000
expires: Tue, 12 May 2026 07:55:30 GMT
last-modified: Tue, 12 May 2026 05:09:31 GMT

Content Headers

Content-Length

Content

153839

Content-Type

Content

text/html; charset=utf-8

content-length: 153839
content-type: text/html; charset=utf-8

Server Headers

Server

nginx

server: nginx

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Cache-Provider

Other

CLOUDWAYS-CACHE-DE

Date

Other

Tue, 12 May 2026 10:21:41 GMT

Via

Other

1.1 3e36dd267cb267a1625f6ecf58fe0bd2.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

gS1ZLjreA9SvKpI3C4an-V5z1s1keOwP-VVloK-pieeG9JXgAq15ag==

X-Amz-Cf-Pop

Other

IAD61-P12

X-Cache

Other

Hit from cloudfront

cache-provider: CLOUDWAYS-CACHE-DE
date: Tue, 12 May 2026 10:21:41 GMT
via: 1.1 3e36dd267cb267a1625f6ecf58fe0bd2.cloudfront.net (CloudFront)
x-amz-cf-id: gS1ZLjreA9SvKpI3C4an-V5z1s1keOwP-VVloK-pieeG9JXgAq15ag==
x-amz-cf-pop: IAD61-P12
x-cache: Hit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance