I added some new pages to my website several days ago, google cached them and gave them a good rank, but today they are gone, i can't find my pages using site:***.what's happened? I did nothing to the new pages.
It's ok, don't worry. Google has something like "fast caching". It works like that: Google caches pages, then makes them disappear from cache and then pages appear in cache again and stays there. I have experienced the same effect many times.
its just a normal thing, google love to crawl New content So thats why your new pages get good ranking, but after some time when google's other bots see that your that pages haven't any importance or any back link to pointing them they disappear from search engines , thats what call google's honey moon