SSL & HTTPS
What Is SSL/TLS and How Does It Protect Your Site
Learn what SSL/TLS is, how HTTPS protects browser traffic, what SSL certificates prove, and why certificate errors cause browser warnings.
SSL & HTTPS Guides
Learn how SSL certificates, HTTPS redirects, CAA records and certificate validation affect website trust and security.
Topics covered:
SSL certificatesHTTPSCAA recordsRedirects
19 articles
All SSL & HTTPS guides
19 guides covering ssl & https topics.
SSL & HTTPS
How to Check Your SSL Certificate
Learn how to check SSL certificate validity, expiration date, hostname match, issuer trust, certificate chain and HTTPS configuration.
SSL & HTTPS
What Are CAA Records and Why You Might Need Them
Learn what CAA records are, how they control which certificate authorities can issue SSL certificates, and how to avoid blocking certificate renewals.
SSL & HTTPS
Understanding Certificate Authorities and Trust Chains
Learn what certificate authorities do, how SSL/TLS trust chains work, and why missing intermediate certificates can cause browser warnings.
SSL & HTTPS
Wildcard vs SAN Certificates: Which One Should You Choose
Learn the difference between wildcard and SAN SSL certificates, what hostnames they cover, and when each option makes sense.
SSL & HTTPS
Installing a Let's Encrypt Certificate on Your Hosting
Learn how to install a free Let’s Encrypt SSL certificate, verify domain validation, enable HTTPS and avoid common renewal problems.
SSL & HTTPS
Fixing Domain Mismatch Errors in SSL Certificates
Learn why SSL certificate domain mismatch errors happen, how to check covered hostnames, and how to fix certificates for root, www and subdomains.
SSL & HTTPS
Self-Signed Certificates: When They Are and Are Not Appropriate
Learn what self-signed certificates are, why browsers do not trust them by default, and when to use a publicly trusted SSL certificate instead.
SSL & HTTPS
SSL Certificate Renewal Failures: Common Causes and Fixes
Learn why SSL certificate renewals fail, how to fix expired or not-renewed certificates, and how to prevent future HTTPS outages.
SSL & HTTPS
Enforcing HTTPS with HTTP to HTTPS Redirects
Learn how to redirect HTTP traffic to HTTPS safely, avoid redirect loops, fix mixed content and test redirect behavior after SSL installation.
SSL & HTTPS
WWW vs Non-WWW: SSL Certificates and HTTPS Consistency
Learn how www and non-www hostnames affect SSL certificates, HTTPS redirects, canonical URLs and SEO consistency.
SSL & HTTPS
Migrating to HTTPS: SEO and Performance Considerations
Learn how to migrate a website from HTTP to HTTPS safely, preserve SEO signals, avoid redirect problems and fix mixed content.
SSL & HTTPS
Using a CDN with HTTPS
Learn how HTTPS works with a CDN, how edge and origin certificates differ, and how to avoid SSL errors, redirect loops and mixed content.
SSL & HTTPS
HSTS Explained: Strict Transport Security for Browsers
Learn what HSTS is, how the Strict-Transport-Security header works, and how to enable it safely without breaking HTTPS access.
SSL & HTTPS
Mixed Content Issues: How to Find and Fix Them
Learn what mixed content is, why HTTPS pages still show insecure warnings, and how to find and fix HTTP images, scripts, stylesheets and embeds.
SSL & HTTPS
Understanding TLS Versions and Why SSLv3 Is Insecure
Learn the difference between SSL and TLS versions, why SSLv3 and old TLS versions are insecure, and what modern HTTPS servers should support.
SSL & HTTPS
OCSP Stapling: Faster Revocation Checks
Learn what OCSP stapling is, how it speeds up certificate revocation checks, and when it matters for HTTPS performance and security.
SSL & HTTPS
Automating Certificate Renewal with ACME
Learn how ACME automates SSL certificate issuance and renewal, how domain validation works, and how to prevent renewal failures.
SSL & HTTPS
Troubleshooting SSL Handshake Failures
Learn why SSL/TLS handshakes fail, how to diagnose protocol, cipher, SNI, certificate chain and CDN/origin issues, and how to fix them.
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