HTTP Headers Analysis for https://demo.appspector.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

Cloudflare CDN

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

Transfer-Encoding

Performance

chunked

accept-ranges: bytes
connection: close
transfer-encoding: chunked

Caching Headers

Cache-Control

Caching

public, max-age=3600

Expires

Caching

Sun, 26 Jul 2026 10:44:36 GMT

Last-Modified

Caching

Tue, 12 Oct 2021 10:05:28 GMT

cache-control: public, max-age=3600
expires: Sun, 26 Jul 2026 10:44:36 GMT
last-modified: Tue, 12 Oct 2021 10:05:28 GMT

Content Headers

Content-Type

Content

text/html

content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a212777e39d5f274-IAD

Date

Other

Sun, 26 Jul 2026 09:44:36 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=nWJbVg2g3pG%2BfndRb0Nz4Ep%2Fr3ZHu3CS2pDhdgjxQd4gyHLqPLxD%2BFwg1YZdtB4SNg0Mm%2FerPMC%2FOUIjjmMzhvwab72ISrq2mmJygukY5uUltr0tEtkcLicdVgNlTUHKxTvitVSx

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=9,cfOrigin;dur=66

X-Goog-Generation

Other

1634033127906008

X-Goog-Hash

Other

crc32c=Xjwbew==, md5=4IhYxMikezwfxpasBb3HEA==

X-Goog-Metageneration

Other

1

X-Goog-Storage-Class

Other

MULTI_REGIONAL

X-Goog-Stored-Content-Encoding

Other

identity

X-Goog-Stored-Content-Length

Other

2438

X-Guploader-Uploadid

Other

AKhXX7KaYYUKrVJugheXNK_c4L5vVKLfO3jVBpHEXHXV6-QM6Z7SjjgM3DqMPKIkuWrt7EDAIpEeUBs

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a212777e39d5f274-IAD
date: Sun, 26 Jul 2026 09:44:36 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=nWJbVg2g3pG%2BfndRb0Nz4Ep%2Fr3ZHu3CS2pDhdgjxQd4gyHLqPLxD%2BFwg1YZdtB4SNg0Mm%2FerPMC%2FOUIjjmMzhvwab72ISrq2mmJygukY5uUltr0tEtkcLicdVgNlTUHKxTvitVSx"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=9,cfOrigin;dur=66
x-goog-generation: 1634033127906008
x-goog-hash: crc32c=Xjwbew==, md5=4IhYxMikezwfxpasBb3HEA==
x-goog-metageneration: 1
x-goog-storage-class: MULTI_REGIONAL
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 2438
x-guploader-uploadid: AKhXX7KaYYUKrVJugheXNK_c4L5vVKLfO3jVBpHEXHXV6-QM6Z7SjjgM3DqMPKIkuWrt7EDAIpEeUBs

Recommendations

Enable compression (gzip/brotli) to improve performance