Security Audit

Comprehensive website security audit in seconds

Scan any website and get a full security posture assessment covering HTTP headers, TLS, DNS, and cookie security. Instant results, clear letter grades, and prioritized recommendations.

23Security headers analyzed
<30sAverage scan time
10,000Websites scanned
Assess your full security posture in under 30 seconds. No manual header checking, no server access needed.

Detailed grades for every header

Each security header is evaluated individually with a letter grade. See exactly where your site stands and which areas need attention.

Scan Result

example.com

92/100A+
Content-Security-Policy
A
Strict-Transport-Security
A+
X-Frame-Options
A
Permissions-Policy
F
X-Content-Type-Options
A

Full coverage across every layer

Goes beyond basic header checks. Covers security headers, TLS configuration, DNS records like SPF and DMARC, and cookie flags in a single scan.

Security Checklist

Security Headers

CSP configured

HSTS enabled

X-Frame-Options set

TLS Configuration

TLS 1.3 supported

Strong cipher suites

DNS Security

SPF record found

DMARC missing

Cookie Security

Secure flag set

HttpOnly enabled

Prioritized recommendations

Every finding comes with a severity level and point impact. Focus on the changes that matter most, with ready to use configurations you can copy into your server.

Top Recommendations

Add Permissions-Policy header+8 pts
Configure DMARC record+5 pts
Enable CSP report-uri directive+3 pts

How it works

01

Enter your URL

Paste any website URL into the scanner. No account required.

02

Get your score

We analyze headers, TLS, DNS, and cookies in real time.

03

Fix what matters

Follow prioritized recommendations with copy-ready configs.

Frequently asked questions

What is a website security audit?

A website security audit is a systematic evaluation of your site's security posture. It examines HTTP security headers, TLS configuration, DNS records, and cookie settings to identify vulnerabilities and misconfigurations. SiteSecurityScore automates this process and delivers a comprehensive report with a letter grade and actionable recommendations.

What security headers does the scan check?

The scan evaluates over 15 security headers including Content-Security-Policy (CSP), Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options, Permissions-Policy, Referrer-Policy, and more. Each header is graded individually, and the scan also checks for deprecated or misconfigured headers that could weaken your security.

How is the security score calculated?

Your security score is calculated on a 100 point scale based on the presence and configuration quality of your security headers, TLS setup, DNS security records, and cookie flags. Each category is weighted by its impact on overall security. Headers that are missing or misconfigured reduce your score, while properly configured protections earn full points.

How often should I run a security audit?

Run a scan after every deployment or significant configuration change, and at least once a month as a baseline. For ongoing coverage between manual audits, automated daily monitoring watches your important security attributes and flags any changes automatically — so regressions are caught the next day rather than weeks later. Pro and Business accounts can enable monitoring from the dashboard.

Secure your website

Run a free security scan and get actionable recommendations in seconds. No account required.

Scan your site free