Guides
Checking HTTPS after a hosting or domain change
Check DNS, certificate coverage, redirects, page resources and renewal ownership when hosting or domains change.
GUIDES
SSL/TLS Guides
Learn the moving parts of HTTPS and make informed choices for the website you manage.
Choose a useful next step
Learn the moving parts of HTTPS and make informed choices for the website you manage.
Guides
Choosing a certificate for your website
Choose certificate management around your hostnames, renewal needs and support requirements, with free options treated fairly.
Guides
HTTPS, TLS and certificates: a practical map
Follow an HTTPS connection from browser to server, and see what certificates protect, what they do not prove, and who keeps each part working.
Keep the context in view
Every guide has a specific scope. Read the prerequisites, confirm which system you control and follow the primary documentation for your own environment.