title: I have an issue in changing the site address url
body: <p>I have recently changed my site to WP and now the site is accessible only at example.com, but the www.example.com has high page authority and linking domains. When I tried to change the site address url from example.com to www.example.com then the site is not accessible. What might be the reason behing this? what can I do to bring back my old url?</p>