Infrastructure
SSL and HTTPS Checker
Check HTTPS availability, response status and HSTS configuration.
Examples
Confirm a production site uses HTTPS; check whether HSTS is present.
Common mistakes
Testing an HTTP URL; assuming HSTS confirms certificate expiry.
Related tool: Security Headers Checker →Tutorial on LearnWithIrfan: SSL with Let's Encrypt →Created by Muhammad Irfan Aslam, Senior Systems & Cloud Engineer.
Case study: WordPress on AWS Lightsail with Nginx and Varnish →