HTTP Headers Analysis for https://git.airbnb.com

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Basic

script-src; object-src; base-uri; +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
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• 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:u1Zt46VbqxqFsWdqn0afVoO5AmVFBg:EmA1JBmULPHDMsK1; Expires=Mon, 24-Jul-2028 19:00:15 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, 25 Jul 2026 19:00:15 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=eJwNw2tIU2EABuAx9r2EFUy7yYIIIWjBbK6cQUGEhKzdzjj7topiKS4c2Kbb2fASqYkRFmW1NOxHEElZlBVRIYQERVlo5AYts_rTTVZYkVJg1PvAU3DTsK7ApFPWmnQPS4b12_Z-0G_n3kXT-n7uej0uzrB28YU4zN18juv2vRT1XLZ6QmzlWP-ESLArmBEKx4uzop3Nm7LCwo_MOfGUf7bkhLE1JyrncqKKl0--ESYezU6JMV7seSsKeb7dAV2HA1-qnPjK2nMnmriNO3n2vRN_-I7Fhft8OePC6U8u9LK51A0LzyXcMGhu5I94MMPXznowxBWnvNjMN-56cZsN37ww-RSs4jVsZhvbebBTwXWe5Hccvacgzo9fKRjlcr8Plfys3odxvnTChyscG_Ehwd-XqfjFxmIVS_mHXcUs79iiwsNXpYqP1Sqm-TfP85IaFSt454CKPfz5r4o8p_6paAj5oXErt3HsoB-uPj9aCiUOca5IYooHpMQgpyISjiaJC80S-WMSM7wxLdH4RCLJ3WMSPcEA0hzZFcAB7ngQQBcf5x7u4_McWBnEbi5auGDkZDoD49HhWxtK1tfEGkOR2nBUi2jN--OxqBaO1lYntbpkJBGOp8LxkM1qs1srbGWl1vJQg_U_AvHirQ"

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, 25 Jul 2026 19:00:15 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=eJwNw2tIU2EABuAx9r2EFUy7yYIIIWjBbK6cQUGEhKzdzjj7topiKS4c2Kbb2fASqYkRFmW1NOxHEElZlBVRIYQERVlo5AYts_rTTVZYkVJg1PvAU3DTsK7ApFPWmnQPS4b12_Z-0G_n3kXT-n7uej0uzrB28YU4zN18juv2vRT1XLZ6QmzlWP-ESLArmBEKx4uzop3Nm7LCwo_MOfGUf7bkhLE1JyrncqKKl0--ESYezU6JMV7seSsKeb7dAV2HA1-qnPjK2nMnmriNO3n2vRN_-I7Fhft8OePC6U8u9LK51A0LzyXcMGhu5I94MMPXznowxBWnvNjMN-56cZsN37ww-RSs4jVsZhvbebBTwXWe5Hccvacgzo9fKRjlcr8Plfys3odxvnTChyscG_Ehwd-XqfjFxmIVS_mHXcUs79iiwsNXpYqP1Sqm-TfP85IaFSt454CKPfz5r4o8p_6paAj5oXErt3HsoB-uPj9aCiUOca5IYooHpMQgpyISjiaJC80S-WMSM7wxLdH4RCLJ3WMSPcEA0hzZFcAB7ngQQBcf5x7u4_McWBnEbi5auGDkZDoD49HhWxtK1tfEGkOR2nBUi2jN--OxqBaO1lYntbpkJBGOp8LxkM1qs1srbGWl1vJQg_U_AvHirQ"
x-ua-compatible: IE=edge

Recommendations

Enable compression (gzip/brotli) to improve performance