It can also occur that Google decides to delay it 30 or 60 places from their previous position. If we have been listed on those sites known as farm we have to ask the webmaster to delete our entry. You will also want to debug the outgoing links on our website. It is not a good idea to contain links to web sites that are not semantically linked with our website. Harvard is often quoted on this topic. So if you plan to throw a page of recommended links without providing major considerations to the type of links to include in the same, think again. For Google the links on a website are considered an added value for users, and it should never be seen as an effort to manipulate the natural positioning. If you believe that already has purged its web of spamy positioning strategies, you can, through webmaster tools, get in touch with Google and submit a reconsideration request. The positive side of the penalties is, although at that time that we suffer it is very difficult to see, you will have gained in experience in the use of permitted techniques that will no doubt result in a rise in the quality of our website. Ultimately, the fear of sanctions by webmasters has solid foundations, and is much more convenient to think of playing within the rules that use technical black hat, which may have short term results, but will destroy our effort and money in the long term.