#SSL certificate
Everything about SSL certificates for a website: issuing, renewing and checking them. Articles tagged here explain expiry warnings, certificate chains and domain mismatches. They show how automatic renewal works with common hosts. You will learn what visitors see when a certificate fails. Guides include steps to check your certificate in a minute. Read them before a warning appears in your customers’ browsers.
2026/09/01 · 8分で読めますCAA Records Explained: Control Who Can Issue Your Certificates
A CAA DNS record lists which certificate authorities may issue certificates for your domain. Learn how it works, how to set it up and…
2026/08/24 · 7分で読めますSSL vs TLS: What Is the Difference and Why It Still Matters
SSL and TLS are used as synonyms, but SSL is long obsolete. Learn how they differ, which versions are safe today and what "SSL…
2026/08/22 · 8分で読めますSSL Certificate Monitoring: How to Never Miss an Expiry Again
Automatic renewal fails more often than people think. Learn what SSL certificate monitoring should check, when alerts should fire and who should get them.
2026/08/21 · 8分で読めますWildcard vs Multi-Domain (SAN) SSL: Which Should You Choose?
Wildcard certificates cover every subdomain; multi-domain SAN certificates cover a list of names. Compare coverage, security, validation and renewal here.
2026/08/14 · 8分で読めますIncomplete SSL Certificate Chain: How to Find and Fix It
A missing intermediate certificate makes some browsers, phones and apps reject your site while others work. Learn how chains work and how to fix…
2026/08/12 · 7分で読めますSSL Certificate Name Mismatch: Causes and How to Fix It
A name mismatch error means the certificate does not cover the address the visitor used. Learn the common causes – www, subdomains, CDNs –…
2026/08/11 · 8分で読めますFree vs Paid SSL Certificates: Which Does Your Site Need?
Free SSL certificates encrypt just as well as paid ones. Learn where they differ – validation, warranty, lifetime, support – and when paying makes…
2026/08/10 · 8分で読めますWhy Your Website Says “Not Secure” and How to Fix It
The Not Secure label appears for a handful of reasons: no HTTPS, a broken certificate, mixed content or insecure forms. Here is how to…
2026/08/04 · 8分で読めますHow to Redirect HTTP to HTTPS the Right Way (Without Loops)
A step-by-step guide to redirecting HTTP to HTTPS on Apache, Nginx, WordPress and CDNs: one permanent hop, no loops, no lost pages and no…
2026/08/02 · 8分で読めますSSL Certificate Expired: What Happens and How to Fix It Fast
An expired SSL certificate puts a full-page warning in front of every visitor. Here is how to renew it quickly and make sure it…
2026/08/01 · 8分で読めますWhat Is an SSL Certificate and Why Does Your Website Need One?
An SSL certificate encrypts traffic and proves your site's identity. Learn how it works, which type you need, and how to keep it valid…