CC Lag detector

print("working..")
sec={1,2,3,4,5,6}
while true do
x=1
while x<3 do
term.setCursorPos(1,1)
timeHandle = http.get("http://worldtimeapi.org/api/timezone/Europe/Berlin")
time = textutils.unserializeJSON(timeHandle.readLine())
sec[1]=sec[2]
sec[2]=time.unixtime
print(sec[1],"|",sec[2])
print(sec[2]-sec[1])
term.setCursorPos(1,1)
term.clear()
term.write(sec[2]-sec[1])
sleep(1)
x=x+1
end
end