Security7 min read

Website Security Audit: A Practical Guide

What is a website security audit? Learn what to check, common vulnerabilities found in automated scans, and how to run a free security audit on your site.

What is a website security audit?

A website security audit reviews your site for misconfigurations and common vulnerabilities — exposed secrets, weak HTTPS, missing security headers, insecure cookies, and other issues that increase risk.

Automated audits scan from the outside (and sometimes with authenticated access) to surface findings you can fix before attackers exploit them.

What a good audit covers

A practical website security audit should check areas such as:

  • HTTPS configuration and TLS certificate health
  • Security headers (CSP, HSTS, X-Frame-Options, etc.)
  • Cookie flags (Secure, HttpOnly, SameSite)
  • Exposed API keys, tokens, or sensitive paths
  • Basic accessibility and SEO health that affects trust signals
  • Performance issues that can indicate infrastructure problems

Automated vs manual testing

Automated scans are fast and repeatable — ideal for continuous monitoring and launch readiness. They catch common misconfigurations but are not a substitute for penetration testing or a full security program.

Use automated audits as an always-on safety net, then engage specialists for deep testing on high-risk applications.

Run a free website security audit

AppScan AI offers a free preview scan with no account required. Enter your URL on the preview page and get findings in under a minute. For ongoing audits and monitoring, subscribe to a Starter, Pro, or Enterprise plan.

Frequently Asked Questions

Run an audit after every significant deploy and at least monthly for production sites. Continuous monitoring catches regressions between scheduled audits.
A free preview scan is a strong starting point for launch readiness. Ongoing monitoring, multi-page audits, and team features require a paid plan.

Related guides

Put this into practice

Run a free website security audit to see how your site scores on security, performance, SEO, and AEO.