Zum Inhalt springen
D1
DE

Web-Antwort-Audit

letsencrypt.org HTTP headers

SEO page with a cached HTTP response header and security signals check.

Ergebnisse

Status

200

Final URL

https://letsencrypt.org

Accept-Ranges

bytes

Age

16024

Cache-Control

public,max-age=0,must-revalidate

Cache-Status

"Netlify Edge"; hit

Content-Security-Policy

default-src 'none'; font-src 'self' https://doublethedonation.com https://rsms.me http://rsms.me ; style-src 'self' 'unsafe-inline' https://donorbox.org https://doublethedonation.com https://rsms.me http://rsms.me ; script-src 'unsafe-eval' 'unsafe-inline' 'self' data: https://www.google-analytics.com https://www.googleadservices.com https://www.googletagmanager.com https://cdn.jsdelivr.net http://cdn.jsdelivr.net https://googleads.g.doubleclick.net https://donorbox.org https://doublethedonation.com https://js.stripe.com https://jspm.dev https://js.stripe.com/v3/ https://sdks.shopifycdn.com https://www.paypal.com https://www.paypalobjects.com https://widget.thegivingblock.com https://*.shift4.com ; img-src 'self' data: blob: https://www.google-analytics.com https://donorbox.org https://doublethedonation.com https://*.paypal.com https://www.paypalobjects.com https://ak2s.abmr.net https://ak1s.abmr.net https://www.google.com https://cdn.shopify.com https://v.shopify.com ; frame-src https://donorbox.org https://www.youtube.com https://www.youtube-nocookie.com https://bid.g.doubleclick.net https://js.stripe.com/v3/ https://js.stripe.com/v2/ https://www.paypal.com https://outreach.abetterinternet.org https://app.netlify.com https://widget.thegivingblock.com/ ; connect-src 'self' https://d4twhgtvn0ff5.cloudfront.net/ https://donorbox.org https://doublethedonation.com https://letsencrypt-merch.myshopify.com https://monorail-edge.shopifysvc.com https://www.paypal.com https://www.google-analytics.com ; frame-ancestors 'none';

Content-Type

text/html; charset=UTF-8

Date

Tue, 14 Jul 2026 16:18:55 GMT

Etag

"f90ffaf9185c066cc6c4421026943e55-ssl-df"

Permissions-Policy

geolocation=(), midi=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), fullscreen=(self), interest-cohort=()

Referrer-Policy

no-referrer

Server

Netlify

Strict-Transport-Security

max-age=31536000

Vary

Accept-Encoding

X-Content-Type-Options

nosniff

X-Frame-Options

DENY

X-Nf-Request-Id

01KXGPS6XSCSVFNV4WHJYTB30Q

X-Xss-Protection

1; mode=block

Tool-Wechsler

Gleiches Ziel (letsencrypt.org) – nächstes Tool ohne erneute Eingabe öffnen.

Vollständiger Tool-Katalog

Anleitungen

Praxisnahe Anleitungen für häufige HTTP-Header-Checker-Aufgaben — DNS-Einträge, Troubleshooting-Schritte und Links zu unseren kostenlosen Tools.

Zurück zu HTTP-Header-Checker