What Is a Website Security Scan and What Does It Check?
Learn what an external website security scan can identify, what it cannot guarantee and how to use its findings responsibly.
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Practical Website Security Guides and Advice
Understand website security findings, improve public configurations and give developers clear steps for fixing DNS, SSL, email, browser and server-exposure problems.
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Improve Your Website Security Knowledge
Clear technical explanations written for website owners, developers, agencies and teams responsible for public websites.
How DNS Records Affect Website Security and Availability
Understand A, AAAA, CNAME, NS, SOA, MX, TXT, CAA and DNSSEC records and why their configuration matters.
Read articleSSL Certificate Checks Every Website Owner Should Understand
Learn how certificate trust, hostname matching, expiration, issuer and chain configuration affect HTTPS security.
Read articleSPF and DMARC Explained: Protecting Your Domain From Email Spoofing
Learn how SPF and DMARC policies reduce domain spoofing and why monitoring-only policies provide limited enforcement.
Read articleSecurity Headers: CSP, HSTS and Browser Protection
Understand the browser security headers that reduce script injection, clickjacking, MIME confusion and information leakage.
Read articleCookie Security: Secure, HttpOnly and SameSite Flags
Learn what the Secure, HttpOnly and SameSite cookie attributes do and how weak cookie settings can increase risk.
Read articleHow Server Headers Can Reveal Technology Information
Learn how Server and X-Powered-By headers reveal public technology details and when that disclosure should be reduced.
Read articleSensitive File Exposure: Why .env, Backups and Logs Must Stay Private
Understand the risks of publicly exposed environment files, repositories, database backups, archives and application logs.
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