We should all know that page loading speed could affect your serps. But does anyone have hard information on what the threshold for this is? Sites over 2 seconds are penalized? over 5 seconds? Over 2MB page size? Also I have been reading some information about pogosticking or return to serps. This is when a user clicks on your site from google, but then returns to the search and finds another site. I read that is also now a ranking factor. My question for this is, would it be possible to manipulate that? Could we have lots of people with different ip addresses search your main keyword click on your site link from google and never return and would this help? Has anyone tried this? If not could we get a group of people to try this and do some real research on it. We must be detailed with the ranking position of the start point and after each week note the increase or decrease in rank. Also note now many clicks went to the site in this manner. Well looking to hear from everyone on this.