
Mozilla Observatory, ImmuniWeb & SSL Labs Alternatives (2026)
Looking for a Mozilla Observatory, ImmuniWeb, or SSL Labs alternative? We tested 7 free scanners — SecScanner, SSL Labs, ImmuniWeb, Sucuri — to find what matters.
Stay up to date with the latest security best practices, tips, and insights to keep your website protected.

Looking for a Mozilla Observatory, ImmuniWeb, or SSL Labs alternative? We tested 7 free scanners — SecScanner, SSL Labs, ImmuniWeb, Sucuri — to find what matters.

A step-by-step security audit checklist covering TLS, headers, DNS, content, and more. Copy this list, work through it, and harden your site in an afternoon.

Before entering personal data on any website, run these 10 quick checks. Learn how to spot unsafe sites, verify SSL certificates, and protect yourself online.

The website security landscape has shifted. New browser defaults, deprecated headers, and evolving threats mean your 2024 security setup may have gaps. Here's what matters now.

Understand cross-site scripting (XSS) attacks with real examples. Learn how reflected, stored, and DOM-based XSS work and how to prevent them.

Open redirects let attackers craft legitimate-looking URLs that redirect to malicious sites. Learn how to detect and prevent this vulnerability.