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SSL and HTTPS for Local Sites: A Practical Guide

How SSL works, why it matters, and how to keep certificates valid.

CBConsoleBoard Editorial Team📅 Published October 1, 2026⏱ 6 min read

HTTPS encrypts traffic between the browser and the server. Google has used HTTPS as a ranking signal since 2014. This guide covers how SSL works, why it matters, and how to keep certificates valid. See Website Operations for Local Businesses for the operational context.

How SSL works

An SSL certificate is a digital file that enables HTTPS. The browser verifies the certificate with the certificate authority, then encrypts traffic. Without a valid certificate, browsers show a 'Not secure' warning that destroys trust.

Why it matters

  • HTTPS is a ranking signal (Google announced this in 2014).
  • Browsers warn users about non-HTTPS sites, reducing trust.
  • HTTPS is required for some features (HTTP/2, service workers, geolocation).
  • It protects user data in transit.

Certificate maintenance

  • Track certificate expiration dates.
  • Renew before expiration (set reminders 30 days ahead).
  • Use auto-renewal if the provider supports it.
  • Redirect all HTTP traffic to HTTPS with a 301 redirect.
  • Set the canonical URL to HTTPS.

Primary sources