HTTP Headers Analysis for https://3333.vg

Detected Technologies from Headers

See all in URL Inspect 2

Alibaba Cloud

AWS CloudFront

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

Vary

Performance

Accept-Encoding, Origin

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

Caching Headers

Cache-Control

Caching

s-maxage=600,public,max-age=0

Etag

Caching

"628C886473722BBBC9B9C865002A038A"

Last-Modified

Caching

Thu, 19 Feb 2026 14:11:59 GMT

cache-control: s-maxage=600,public,max-age=0
etag: "628C886473722BBBC9B9C865002A038A"
last-modified: Thu, 19 Feb 2026 14:11:59 GMT

Content Headers

Content-Length

Content

272234

Content-Md5

Content

YoyIZHNyK7vJuchlACoDig==

Content-Type

Content

text/html

content-length: 272234
content-md5: YoyIZHNyK7vJuchlACoDig==
content-type: text/html

Server Headers

Server

AliyunOSS

server: AliyunOSS

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Date

Other

Thu, 19 Feb 2026 21:02:31 GMT

Via

Other

1.1 129992dce1f07236bc0fef123684fb68.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

3hzIwYaxQ0cT4DXZjJ9SkSGg6ewFkSHnXiN2ofNfIl1sJrnEXOeL5w==

X-Amz-Cf-Pop

Other

IAD61-P6

X-Cache

Other

Miss from cloudfront

X-Oss-Hash-Crc64ecma

Other

11249965513273138901

X-Oss-Object-Type

Other

Normal

X-Oss-Request-Id

Other

69977A67EB11EE35397097FA

X-Oss-Server-Time

Other

1

X-Oss-Storage-Class

Other

Standard

alt-svc: h3=":443"; ma=86400
date: Thu, 19 Feb 2026 21:02:31 GMT
via: 1.1 129992dce1f07236bc0fef123684fb68.cloudfront.net (CloudFront)
x-amz-cf-id: 3hzIwYaxQ0cT4DXZjJ9SkSGg6ewFkSHnXiN2ofNfIl1sJrnEXOeL5w==
x-amz-cf-pop: IAD61-P6
x-cache: Miss from cloudfront
x-oss-hash-crc64ecma: 11249965513273138901
x-oss-object-type: Normal
x-oss-request-id: 69977A67EB11EE35397097FA
x-oss-server-time: 1
x-oss-storage-class: Standard

Recommendations

Enable compression (gzip/brotli) to improve performance