HTTP Headers Analysis for https://firebase.new

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:CcRnWuAaKQ5lu_8QcloXXQ1QvzrUsw:JuEDnYLeB0Ui47tT; Expires=Mon, 28-Aug-2028 08:46:19 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

Sat, 29 Aug 2026 08:46:19 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=eJwNw2tIU2EABuAx_F7ECtSsbEEMIWiBtoZOof6UlKxd3Dg7u5EtbQsHurntbKRFJaaEhUQXBxUEUVSYVv4IEbI_Sa2wKAeuaReoJLGwIqVIqPeBp-BO3pYCjcq6WaMaKxtV72z4pN7N_Svn1Je4-80LkWLl2kvRw718hZsPvBItvE37WtSyxT0p7BwrzYiTrKvJiHJ-rMuKp_yzIytKjmRF7VJW1PHa3LTQcDozIyZ4le2tKOLlEyaoOk34UmfGVz7-3IwuXnxvxh--OWnBuVkL-llXYUU5L8WtyFesmO-xYYEHLtpwl4ce1GOY877VQ-OwYyNvYh0b2Mi3u-wY5By_4_EpO9Ls1zpwkMdbHEjz9T4HbnHkkQNx_r5Gwi8uLJVQwj-MEhZ57w4JNv7cKGGOf_Myr26SsI49NyTs4-Q_CW1-JxSOHHXCknKio0jGMc4Wy5jhZEiG6bAMC19tlzF1Ssb8aRkLHH0iI8G9EzJCXhdaufOhC918hs9yii-za4MbPh684MZ9Pp9zI8XV6z3YzrsGPNjDrVVeRHlo1othDvz1YlTrwxjvN_lQ-cGH4hX50yPPMii897GvsmxrUyTqDwWCYSWktB-KRcJKMBxoTCjNiVA8GEsGY36D3mDU1xiqKvTV_jb9f_wF4G4"

X-Auto-Login

Other

realm=com.google&args=continue%3Dhttps://console.firebase.google.com/?dlAction%253DCreateProject

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: Sat, 29 Aug 2026 08:46:19 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=eJwNw2tIU2EABuAx_F7ECtSsbEEMIWiBtoZOof6UlKxd3Dg7u5EtbQsHurntbKRFJaaEhUQXBxUEUVSYVv4IEbI_Sa2wKAeuaReoJLGwIqVIqPeBp-BO3pYCjcq6WaMaKxtV72z4pN7N_Svn1Je4-80LkWLl2kvRw718hZsPvBItvE37WtSyxT0p7BwrzYiTrKvJiHJ-rMuKp_yzIytKjmRF7VJW1PHa3LTQcDozIyZ4le2tKOLlEyaoOk34UmfGVz7-3IwuXnxvxh--OWnBuVkL-llXYUU5L8WtyFesmO-xYYEHLtpwl4ce1GOY877VQ-OwYyNvYh0b2Mi3u-wY5By_4_EpO9Ls1zpwkMdbHEjz9T4HbnHkkQNx_r5Gwi8uLJVQwj-MEhZ57w4JNv7cKGGOf_Myr26SsI49NyTs4-Q_CW1-JxSOHHXCknKio0jGMc4Wy5jhZEiG6bAMC19tlzF1Ssb8aRkLHH0iI8G9EzJCXhdaufOhC918hs9yii-za4MbPh684MZ9Pp9zI8XV6z3YzrsGPNjDrVVeRHlo1othDvz1YlTrwxjvN_lQ-cGH4hX50yPPMii897GvsmxrUyTqDwWCYSWktB-KRcJKMBxoTCjNiVA8GEsGY36D3mDU1xiqKvTV_jb9f_wF4G4"
x-auto-login: realm=com.google&args=continue%3Dhttps://console.firebase.google.com/?dlAction%253DCreateProject
x-ua-compatible: IE=edge

Recommendations

Enable compression (gzip/brotli) to improve performance