When visiting codeguru.com, a connection to Google may be established due to the need for IP addresses to be known by visited sites, which is normal during page loading. There are no significant security concerns associated with this behavior. Users are advised to consider privacy measures, such as masking proxies, especially when accessing the site from organizational IPs. It's recommended to disable browser plugins and JavaScript for enhanced security, and to avoid using Internet Explorer, even with security settings adjusted. The discussion also touches on the presence of Google programs, suggesting that users should be cautious about their online privacy.