This setting lets the Google indexing robot into courses that allow guest access. If you want to know more about the Googlebot, refer to http://www.google.com/bot.html.
It seems that everyone with a website wants their site to be ranked high in Google's search results. However, you should consider whether you really want Google to add each of your guest-enabled courses to its search engine. There are several disadvantages:
- If your course content changes frequently, Google might index out-of-date information for your courses.
- Your students and teachers might not want their names and materials to be indexed and available to the public.
- If Google indexes all your guest-enabled courses, you have less control over what information ...
