There is no hard and fast rule how long feeds are cached. The guideline used to be that feeds would be refreshed no more than once every 60 minutes, with heavy traffic feeds cached about that often and other, lower-traffic feeds cached less frequently. There is no way that you can control the frequency yourself.
I believe that all feed urls are cached for this time, and so, if the feed returns 404, it won't be checked again for at least 60 minutes. On Mon, May 30, 2011 at 9:05 AM, emorling <[email protected]> wrote: > Hi, > > How long are feeds cached? Can I control how long they will cache? > > Are requests to feeds that do not exist, also cached? > > Thanks > Elia > > -- > You received this message because you are subscribed to the Google Groups > "Google AJAX APIs" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-ajax-search-api?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google AJAX APIs" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-ajax-search-api?hl=en.
