HTTP Headers Analysis for https://flipsnack.com

Detected Technologies from Headers

See all in URL Inspect 2

AWS CloudFront

Report URI

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Weak

base-uri; form-action; frame-ancestors; +4 more 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

Present

autoplay=*, encrypted-media=*, fullscreen=*

Recommendations

• Significantly strengthen CSP directives

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

Age

Caching

1

Cache-Control

Caching

no-store, no-cache, must-revalidate

age: 1
cache-control: no-store, no-cache, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=UTF-8

content-type: text/html; charset=UTF-8

Server Headers

Server

FlipsnackServer

server: FlipsnackServer

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Date

Other

Sun, 04 Oct 2026 02:09:19 GMT

Nel

Other

Report-To Group default max-age: 1m

include subdomains

Report-To

Other

Group default max-age: 0s

Endpoint 1 https://flipsnack.report-uri.com/a/d/g

Via

Other

1.1 8415794d557292780ff382a8c5bd6058.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

d4XX_XLcdJ_BKHaYdNeN_zT-wXSC1CQUD75uTHiNBc2AKLPwNv7hoA==

X-Amz-Cf-Pop

Other

IAD12-P1

X-Cache

Other

Hit from cloudfront

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

alt-svc: h3=":443"; ma=86400
date: Sun, 04 Oct 2026 02:09:19 GMT
nel: {"report_to":"default","max_age":60,"include_subdomains":true}
report-to: {"group":"default","max_age":0,"endpoints":[{"url":"https://flipsnack.report-uri.com/a/d/g"}],"include_subdomains":true}
via: 1.1 8415794d557292780ff382a8c5bd6058.cloudfront.net (CloudFront)
x-amz-cf-id: d4XX_XLcdJ_BKHaYdNeN_zT-wXSC1CQUD75uTHiNBc2AKLPwNv7hoA==
x-amz-cf-pop: IAD12-P1
x-cache: Hit from cloudfront
x-download-options: noopen
x-permitted-cross-domain-policies: none

Recommendations

Enable compression (gzip/brotli) to improve performance