1.   (css, images, js)  ,    
     FileZilla 

2.      // /  <!DOCTYPE>:
    - <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

3.       (*.txt),   
    //  ()/ 
             *txt ,
     *txt      ...

4.    " ",      .
