request time out at web server arduino ethernet shield + rfid id 12

i have a project for displaying some data from rfid id 12 to web server but every time i didnt tap a card on rfid reader, web server display is request time out, i think theproblem in the looping but i dont know how to fix that, please someone help me, thanks

this is my program:

rfid_add_clear.ino (9 KB)