Determine if the website 'extjsinaction.com' is currently accessible. If it is not accessible, identify and report the specific network error message encountered. If it loads successfully, state that it is accessible and identify the main purpose or content of the homepage.
Attempt to navigate to 'http://extjsinaction.com/' Observe the outcome of the navigation attempt. If the page loads successfully, state that the website is accessible and describe its main content. If the page fails to load, identify and report the specific error message displayed (e.g., 'net::ERR_NAME_NOT_RESOLVED').
Successfully attempt to navigate to 'http://extjsinaction.com/'. Clearly state whether the website is accessible or not. If inaccessible, accurately report the specific error message encountered, such as 'net::ERR_NAME_NOT_RESOLVED'. If accessible, provide a brief description of the website's main purpose or content visible on the homepage.