Use a 301 Redirect . Decide on one format and redirect all traffic from the other version to your preferred one. This tells search engines exactly which version to index. 3. The Role of HTTPS (Security)
One of the first decisions a website owner makes is whether to use the "www" prefix (e.g., ://example.com ) or the "naked" domain (e.g., example.com ). From a modern SEO perspective, Google doesn’t favor one over the other, but is vital. Www-xxx-sco
Most traffic is mobile. If your "WWW" address doesn't lead to a responsive site, your rankings will suffer. Use a 301 Redirect