Robust auto-refresh web page
问题 I have many web pages that needs to auto-refresh once a minute. Easily done with META REFRESH or a some javascript. (And yes, the whole pages needs to refresh -- LOTS of content changing). However, it needs to be as robust as possible. If the web server is momentarily down or there is a network hiccup, it can't refresh and will then get a 404 error, etc and be permanently stuck on the error page. The only option I can come up with is host the whole page in an IFRAME, and have some script on