HTTP Headers Analysis for https://excel.cloud.microsoft

Detected Technologies from Headers

See all in URL Inspect 5

Microsoft Entra ID

AzureFrontDoor

Azure Monitor

Microsoft 365

Microsoft SharePoint

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Basic

require-trusted-types-for; script-src; style-src; +9 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

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Vary

Performance

Accept-Encoding, Accept-Language

connection: close
vary: Accept-Encoding, Accept-Language

Caching Headers

Cache-Control

Caching

public, max-age=300, s-maxage=3600

Etag

Caching

"2A01E0B134C6BC5E"

cache-control: public, max-age=300, s-maxage=3600
etag: "2A01E0B134C6BC5E"

Content Headers

Content-Length

Content

67896

Content-Type

Content

text/html; charset=utf-8

content-length: 67896
content-type: text/html; charset=utf-8

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=2592000

Date

Other

Sat, 25 Jul 2026 10:22:15 GMT

No-Vary-Search

Other

params, except=("docId" "driveId" "seqid")

Reporting-Endpoints

Other

AppHomeReportToEndpoint="https://csp.microsoft.com/report/OfficeAppHome-PROD"

Supports-Loading-Mode

Other

prerender-cross-origin-frames

X-Apphome-App

Other

excel

X-Apphome-Source

Other

cache

X-Cache

Other

CONFIG_NOCACHE

X-Msedge-Ref

Other

Ref A: FD2B32AF5C4F459D877F700451604877 Ref B: BL2AA2011006052 Ref C: 2026-07-25T10:22:15Z

X-Parent-Span-Id

Other

eab3c7b6cb126eb6

X-Span-Id

Other

db143d768dfe6717

X-Trace-Id

Other

f3e23f039ca2ffedf2b91924f2276819

alt-svc: h3=":443"; ma=2592000
date: Sat, 25 Jul 2026 10:22:15 GMT
no-vary-search: params, except=("docId" "driveId" "seqid")
reporting-endpoints: AppHomeReportToEndpoint="https://csp.microsoft.com/report/OfficeAppHome-PROD"
supports-loading-mode: prerender-cross-origin-frames
x-apphome-app: excel
x-apphome-source: cache
x-cache: CONFIG_NOCACHE
x-msedge-ref: Ref A: FD2B32AF5C4F459D877F700451604877 Ref B: BL2AA2011006052 Ref C: 2026-07-25T10:22:15Z
x-parent-span-id: eab3c7b6cb126eb6
x-span-id: db143d768dfe6717
x-trace-id: f3e23f039ca2ffedf2b91924f2276819

Recommendations

Enable compression (gzip/brotli) to improve performance