Shanghai dragon Er extrusion pieces of time will adhere to do what work every day
each article is part of the ocean of knowledge, only constantly updated to attract users increase, attract spider. The user you ultimately want is to open the site, content or service. Because of this demand, the website can continue to progress, retain customers, achieve profitability. The spider is the same, it will be more focused on your site, if your station does not update, spiders can’t eat the new food. Update the number, there is no fixed number of articles, as long as their good habits.