HTTP Headers Analysis for https://www.prest0.com

Detected Technologies from Headers

See all in URL Inspect 1

Google Cloud Storage

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

Accept-Ranges

Performance

bytes

Connection

Performance

close

accept-ranges: bytes
connection: close

Caching Headers

Cache-Control

Caching

no-cache, no-store, must-revalidate

Etag

Caching

"477f82a938ac75d146a4122a956a547a"

Expires

Caching

Wed, 28 Apr 2027 11:21:22 GMT

Last-Modified

Caching

Tue, 28 Apr 2026 03:30:25 GMT

cache-control: no-cache, no-store, must-revalidate
etag: "477f82a938ac75d146a4122a956a547a"
expires: Wed, 28 Apr 2027 11:21:22 GMT
last-modified: Tue, 28 Apr 2026 03:30:25 GMT

Content Headers

Content-Length

Content

18527

Content-Type

Content

text/html

content-length: 18527
content-type: text/html

Server Headers

Server

UploadServer

server: UploadServer

CORS Headers

Access-Control-Allow-Origin

Cors

*

Access-Control-Expose-Headers

Cors

Content-Type,Access-Control-Allow-Origin,Cache-Control

access-control-allow-origin: *
access-control-expose-headers: Content-Type,Access-Control-Allow-Origin,Cache-Control

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

Date

Other

Tue, 28 Apr 2026 11:21:22 GMT

Via

Other

1.1 google

X-Goog-Generation

Other

1777347025181472

X-Goog-Hash

Other

crc32c=2BQ/ww==, md5=R3+CqTisddFGpBIqlWpUeg==

X-Goog-Meta-Goog-Reserved-File-Mtime

Other

1777347010

X-Goog-Metageneration

Other

2

X-Goog-Storage-Class

Other

STANDARD

X-Goog-Stored-Content-Encoding

Other

identity

X-Goog-Stored-Content-Length

Other

18527

X-Guploader-Uploadid

Other

AAVLpEjPz_BAZ5IyZtBSl6e1P8AxNp-4_sgCVnuCNPTw1qdnMesWnztrB9R3tCjcgW8Fqfye

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Tue, 28 Apr 2026 11:21:22 GMT
via: 1.1 google
x-goog-generation: 1777347025181472
x-goog-hash: crc32c=2BQ/ww==, md5=R3+CqTisddFGpBIqlWpUeg==
x-goog-meta-goog-reserved-file-mtime: 1777347010
x-goog-metageneration: 2
x-goog-storage-class: STANDARD
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 18527
x-guploader-uploadid: AAVLpEjPz_BAZ5IyZtBSl6e1P8AxNp-4_sgCVnuCNPTw1qdnMesWnztrB9R3tCjcgW8Fqfye

Recommendations

Enable compression (gzip/brotli) to improve performance