HTTP Security Headers Builder

Generate production-grade HTTP security headers for Apache, Nginx, and Cloudflare to satisfy Google Page Experience.

Strict-Transport-Security (HSTS)

includeSubDomains preload (Chrome HSTS List)

X-Frame-Options (Clickjacking Protection)

X-Content-Type-Options (MIME Sniffing)

Enforces nosniff to prevent browsers from interpreting non-executable MIME types as executable code.

Referrer-Policy (SEO Analytics Balance)

Content-Security-Policy (CSP Basic)

Injects safe default directives allowing 'self', trusted CDNs, and inline safe style tags.

What are HTTP Security Headers and Why do they Matter for SEO?

HTTP Security Headers are server response directives that instruct web browsers on how to handle content execution, transport encryption, framing, and external referrer data. While primarily engineered for cybersecurity, search engines like Google incorporate HTTPS enforcement and site security into their Page Experience and Core Web Vitals ranking signals. Websites with robust security headers earn higher trust and avoid malicious content injection.

Key Capabilities & Features

HSTS & Preload Readiness

Forces complete HTTPS encryption across root domains and subdomains, preventing man-in-the-middle downgrade attacks.

Clickjacking Prevention

Generates X-Frame-Options: SAMEORIGIN to prevent malicious sites from embedding your tools into invisible iframes.

Referrer-Policy Calibration

Balances user privacy while preserving inbound organic analytics referral data for webmasters.

Apache & Nginx Drop-In Configs

One-click copyable snippets formatted specifically for Apache .htaccess and Nginx add_header directives.

How to Install Security Headers on Apache & Nginx (Step-by-Step)

Select Target Web Server: Choose between Apache (.htaccess), Nginx (nginx.conf), or HTML meta fallback.
Copy Configuration Snippet: Click "Copy Security Config" to grab the formatted directives.
Paste into Server Config: Place inside your Apache root .htaccess or within your Nginx server {} block.
Reload Web Server: Run sudo systemctl reload nginx or verify Apache headers using browser Developer Tools.

Frequently Asked Questions (FAQ)

Can HSTS be set via an HTML meta tag? ▼

No. The Strict-Transport-Security directive is strictly ignored by all modern browsers if delivered via an HTML <meta> tag. It must be delivered as a true HTTP response header by the web server.

What is the best Referrer-Policy for SEO? ▼

strict-origin-when-cross-origin is the industry gold standard and modern browser default. It sends the full URL to same-origin requests, sends the domain only to HTTPS cross-origin requests, and sends nothing over insecure HTTP.