Updated October 9, 2026.
Your business website should use HTTPS. It protects information while it travels between a visitor’s browser and the server handling the connection. It does not prove that a business is trustworthy or that everything it does with the information is secure.
For most owners, the practical questions are whether HTTPS works across the site, who maintains it, and how problems will be detected. Buying a more expensive certificate is not a substitute for answering those questions.
SSL is the familiar name; TLS is the current technology
“SSL certificate” remains a common product label, but modern HTTPS connections use Transport Layer Security, or TLS. The TLS specification describes protection against eavesdropping, tampering, and message forgery during communication.
The browser checks the site’s certificate as part of establishing the connection. A valid certificate helps authenticate the server for the requested name. It does not check whether the site’s business claims are true, its software is free of bugs, or its staff handle customer records appropriately.
Mozilla’s TLS guide explains the connection, certificate, and encryption roles in more detail. The protection is for data in transit; a website still needs appropriate account access, application security, and data-handling practices.
Do not rely on a particular address-bar icon
Browser interfaces change. Use your browser’s connection information to check the page, rather than assuming every secure site must display the same padlock. Chrome’s connection guidance explains its indicators and warnings.
If a certificate warning appears on your own site, record the affected URL and message, and contact the person responsible for hosting. Do not ask customers to bypass the warning as a normal way to use the site.
What are you paying for?
Let’s Encrypt provides free domain-validation certificates. Domain validation checks control of the domain; it does not verify the business’s reputation. A hosting company may charge for setup, management, or support even when the certificate itself is free.
Organization-validation and extended-validation certificates involve additional identity checks. They are not automatically necessary just because you accept payments. If a supplier or agreement requires a particular certificate type, confirm that requirement with the responsible provider. Do not assume a paid certificate gives you a stronger encrypted connection simply because it costs more.
Ask for a quote that separates the certificate from installation, renewal management, and support. Confirm which names need coverage, including the main domain, the www version if used, and any separate booking or account subdomains.
A practical setup and handoff checklist
Start with your hosting provider’s supported HTTPS process. Managed hosting may handle issuance and renewal for you; a self-managed server needs someone responsible for the configuration. Mozilla’s HTTPS deployment guidance describes this distinction.
Before calling the setup complete:
- Visit the important public pages over HTTPS and check for connection errors.
- Confirm HTTP addresses redirect to the intended HTTPS address.
- Check that images, scripts, and other embedded resources also use HTTPS. Insecure resources within a secure page are called mixed content and can be upgraded or blocked by the browser; see Mozilla’s explanation.
- Test forms, booking links, and checkout paths after the change.
- Confirm automatic renewal is configured, someone monitors failures, and the contact details for alerts are current.
- Record who can repair an expired or misconfigured certificate, including outside normal office hours if your business needs that coverage.
HSTS is an additional browser policy that tells browsers to use HTTPS. Ask your technical provider to plan it carefully: subdomain coverage and preloading require an ongoing HTTPS commitment. Mozilla’s HSTS documentation explains the scope and persistence. It is not a setting to copy blindly onto a domain with services you have not checked.
Questions to bring to your provider
Does the hosting fee include certificate management? Ask about issuance, installation, renewals, monitoring, and response responsibilities separately. Our Astro hosting plan includes SSL and technical maintenance; human response commitments are defined in the agreement.
Will renewal prevent every outage? No. Automated renewal can fail, and a renewed certificate still needs to be served correctly. Ask how failures are detected and tested.
Does HTTPS protect stored submissions or emails? The browser connection does not establish how data is stored or how a later email is transmitted. Review the form and its destination as a complete workflow.
Should I buy a certificate for SEO? Choose HTTPS to protect the connection. A certificate is not a guarantee of search placement, and paying more for one is not a search strategy.
Begin by checking the customer paths you actually use, then confirm the maintenance owner. A working connection and a clear renewal process matter more than the wording on a certificate sales page.