Matt Cutts said in his video in regards to, if you’re Site was affected by Google’s Algorithm. This is not a big news for the SEO Community, you might have noticed that Google likely to seem updating its search algorithm periodically and sites have been penalized over the web so far, there might be as yours one of such victim as well.
But this time you must be in a hope something different or new, yes exactly, the best way to know whether your site affect by Google’s Algorithm such as Penguin or Panda, if you see the major changes in analytics and traffic form Google on a particular day, you can visit our Google Updates Information Section (Google’s Important URLs, Manual Vs. Algorithmic Action, Manual Action, Scraper Site) as you reported earlier. If your site is out of it, you can be lucky one or optimistic not to happen with you such things.
Matt elaborates about three major facts that cause ranking problem occur.
1. Algorithmic Penalty
2. Manual Action
3. Crawling Errors or Issue
Below you can see the video officially published by Matt Cutts.
At the same time GoodROI, the administrator of Webmaster world said;