HTTP Headers Analysis for https://app.dev.siblyai.com

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Weak

require-trusted-types-for; report-uri; object-src; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Present

ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*; +6 more

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Significantly strengthen CSP directives
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)

Performance Headers

Accept-Ranges

Performance

none

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site,Accept-Encoding

accept-ranges: none
connection: close
transfer-encoding: chunked
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site,Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache, no-store, max-age=0, must-revalidate

Expires

Caching

Mon, 01 Jan 1990 00:00:00 GMT

Pragma

Caching

no-cache

cache-control: no-cache, no-store, max-age=0, must-revalidate
expires: Mon, 01 Jan 1990 00:00:00 GMT
pragma: no-cache

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

ESF

server: ESF

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __Host-GAPS=1:7WOjm_l4i4CHn0uIzxfV0SCVh-2vaQ:u_HbvjpxqGLn1NoD; Expires=Wed, 23-Aug-2028 18:28:13 GMT; Path=/; Secure; HttpOnly; Priority=HIGH

Other Headers

Accept-Ch

Other

Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version

Alt-Svc

Other

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

Cross-Origin-Opener-Policy-Report-Only

Other

same-origin; report-to="AccountsSignInUi"

Date

Other

Mon, 24 Aug 2026 18:28:13 GMT

Report-To

Other

Group AccountsSignInUi max-age: 4w

Endpoint 1 https://csp.withgoogle.com/csp/report-to/AccountsSignInUi

Reporting-Endpoints

Other

default="/v3/signin/_/AccountsSignInUi/web-reports?context=eJwNw2tIU2EABuA5_F5EDNQsbUGIELRgNhctof6UlKxd3Dg7mxvlUrZwUJtuZ0MtqmGTsIgo2sCCIIouksmQiMD6U9QKi3LRXHb5UZJYWJFSJNX7wFM6Vry-VKOyr9Oo7tXdVW_b81G9g1Nls-ohTk49E2lWLj0XAzzIF7hz7wuxnxtqX4omtrgnhZ0jNTlxjLWNOaHjB9q8eMw_-vKi6mBeNC3mRTOvLLwRGs7mpsUEL7O9FRW8dNQEVcKERJEZSf7cbMYXVp6a0cNHuJ8X3pvxm8d0Ftzhq5MWnJmxIMXaeit0vBi1okSxYm7AhnkePmfDLR653YIMF39tgcZhxxpey1o2sJGv99txkwv8jh--tiPL3loH2vjyKQeucfi-A1H-m3VA_cSBbysk_OTyGglV_N0oYYF3bZVg40_tEmb5Fy_x8g4J1dx6RcJujv-T0OVzQuHwIScsaSf6KmQc5nyljGl-VS1jiuNBGaYeGRd7ZcydkDHP3Y9kxHhwQkbQ48IBToy7kOSTfJrTfJ5dq93w8tmCG2nevKoVW3j7cCt2cmSTB3EemfEgw_4_HrSZvNj4wYvKspLxoUwO5aPHb6SK6jZ0hLt9QX8gpASV3n2RcEgJhPztMaUzFowGIvFAxGfQG4z6xgZjvV7v69L_B-Hn4ag"

X-Ua-Compatible

Other

IE=edge

accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cross-origin-opener-policy-report-only: same-origin; report-to="AccountsSignInUi"
date: Mon, 24 Aug 2026 18:28:13 GMT
report-to: {"group":"AccountsSignInUi","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/AccountsSignInUi"}]}
reporting-endpoints: default="/v3/signin/_/AccountsSignInUi/web-reports?context=eJwNw2tIU2EABuA5_F5EDNQsbUGIELRgNhctof6UlKxd3Dg7mxvlUrZwUJtuZ0MtqmGTsIgo2sCCIIouksmQiMD6U9QKi3LRXHb5UZJYWJFSJNX7wFM6Vry-VKOyr9Oo7tXdVW_b81G9g1Nls-ohTk49E2lWLj0XAzzIF7hz7wuxnxtqX4omtrgnhZ0jNTlxjLWNOaHjB9q8eMw_-vKi6mBeNC3mRTOvLLwRGs7mpsUEL7O9FRW8dNQEVcKERJEZSf7cbMYXVp6a0cNHuJ8X3pvxm8d0Ftzhq5MWnJmxIMXaeit0vBi1okSxYm7AhnkePmfDLR653YIMF39tgcZhxxpey1o2sJGv99txkwv8jh--tiPL3loH2vjyKQeucfi-A1H-m3VA_cSBbysk_OTyGglV_N0oYYF3bZVg40_tEmb5Fy_x8g4J1dx6RcJujv-T0OVzQuHwIScsaSf6KmQc5nyljGl-VS1jiuNBGaYeGRd7ZcydkDHP3Y9kxHhwQkbQ48IBToy7kOSTfJrTfJ5dq93w8tmCG2nevKoVW3j7cCt2cmSTB3EemfEgw_4_HrSZvNj4wYvKspLxoUwO5aPHb6SK6jZ0hLt9QX8gpASV3n2RcEgJhPztMaUzFowGIvFAxGfQG4z6xgZjvV7v69L_B-Hn4ag"
x-ua-compatible: IE=edge

Recommendations

Enable compression (gzip/brotli) to improve performance