The cause of death in the link
 

For the dead links, webmaster need clear is dead link is our own reason is caused, is due to our website management not only consequences. Cause death chain has the following reasons: 1. Dynamic link in the database can no longer support conditions, become dead link; 2. Web content updates, links resulting from the change of the original link into a dead link; 3. Web server Settings mistakes can also cause death link; 4. If a web position changes, then the original point to its link will also become dead link.