HTTP Headers Analysis for https://preview.firstalert.com

Detected Technologies from Headers

See all in URL Inspect 2

ASP.NET

Microsoft IIS

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains;

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Present

ALLOW-FROM https://resideo.ziftone.com/,https://proportal.resideo.com/,https://pro.resideo.com/,https://resideostaging.staging.ziftone.com/,https://resideo.netdimensions.com/,https://deploy-preview-437--resideo-pro.netlify.com/,https://fxm/,https://resideo-pro-perks.my-rewardsonline/

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

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

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

Cache-Control

Caching

no-cache, no-store

Expires

Caching

-1

Pragma

Caching

no-cache

cache-control: no-cache, no-store
expires: -1
pragma: no-cache

Content Headers

Content-Length

Content

149555

Content-Type

Content

text/html; charset=utf-8

content-length: 149555
content-type: text/html; charset=utf-8

Server Headers

Server

Microsoft-IIS/10.0

server: Microsoft-IIS/10.0

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: ApplicationGatewayAffinityCORS=48ca93430a8003ad73cf2d5da945c20b; Path=/; SameSite=None; Secure
ApplicationGatewayAffinity=48ca93430a8003ad73cf2d5da945c20b; Path=/
ASP.NET_SessionId=4vx1jy10ygo12nmg0v3qyxf2; path=/; secure; HttpOnly; SameSite=Lax
SC_ANALYTICS_GLOBAL_COOKIE=1fd87d9756dc45138b2748ec6a0fc3da|False; expires=Mon, 05-May-2036 03:46:14 GMT; path=/; secure; HttpOnly
SC_ANALYTICS_GLOBAL_COOKIE=; expires=Thu, 07-May-2026 03:46:15 GMT; path=/; secure
sc_geo=; expires=Thu, 07-May-2026 03:46:15 GMT; path=/; secure
sc_ctry=; expires=Thu, 07-May-2026 03:46:15 GMT; path=/; secure
sc_regn=; expires=Thu, 07-May-2026 03:46:15 GMT; path=/; secure
sc_city=; expires=Thu, 07-May-2026 03:46:15 GMT; path=/; secure
sc_zip=; expires=Thu, 07-May-2026 03:46:15 GMT; path=/; secure

Other Headers

Date

Other

Fri, 08 May 2026 03:46:15 GMT

Region

Other

East US 2

Request-Context

Other

appId=cid-v1:9f38259d-6357-494f-83e0-fa776f69268d

date: Fri, 08 May 2026 03:46:15 GMT
region: East US 2
request-context: appId=cid-v1:9f38259d-6357-494f-83e0-fa776f69268d

Recommendations

Enable compression (gzip/brotli) to improve performance