There&#x27;s no downtime when using the webroot method, see here for details: <a href="https:&#x2F;&#x2F;community.letsencrypt.org&#x2F;t&#x2F;using-the-webroot-domain-verification-method&#x2F;1445&#x2F;7" rel="nofollow">https:&#x2F;&#x2F;community.letsencrypt.org&#x2F;t&#x2F;using-the-webroot-domain...</a>