Arduino + Ethernet. A page long loading

Sorry, here is the code

#include <Ethernet.h>
#include <SPI.h>

//network NB: Pins 10, 11, 12 and 13 are reserved for Ethernet module. 
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
byte ip[] = {10, 100, 156, 61};
byte gateway[] = {10, 100, 156, 62};
byte subnet[] = { 255, 255, 255, 192 };

//variables
String inString = String(100); //URL read

//output pins
int servoPin = 9;

//portion range
// range 0 to 3. 0=null, 1=small, 2=medium, 3=large
int portion=0;

//interval options
//range 0 to 9. 8 options : 5m, 30m, 1h, 3h, 5h, 7h, 9h, 11h
int intervalOptions=0; 

//mode
//range 0 to 2. 0=none. 1=manual, 2=auto
int mode=0;

//range based on option in combo box
int timeOption=0;  

EthernetServer server(80);
String data;

//FUNCTIONS
//

void setup()
{
  Serial.begin(9600);
  Ethernet.begin(mac, ip,gateway,subnet); 
  server.begin();
   //set pin mode
  for (int j = 1; j < (numofleds + 1); j++){
    pinMode(led[j], OUTPUT);
  }
  pinMode(servoPin, OUTPUT);
  
  Serial.println("Serial READY");
  Serial.println("Ethernet READY");
  Serial.println("Server READY");
}

void loop(){
  EthernetClient client = server.available();
  
  if(client){
    // an http request ends with a blank line
    boolean current_line_is_blank = true;
    while (client.connected()) {
     
      if(client.available()) {
      
        char c = client.read();
        // if we've gotten to the end of the line (received a newline
        // character) and the line is blank, the http request has ended,
        // so we can send a reply
        if (inString.length() < 100) {
            inString.concat(c);
         } 
        if (c == '\n' && current_line_is_blank) {
                    
          // send a standard http response header
          client.println("HTTP/1.1 200 OK");
          client.println("Content-Type: text/html");
          client.println();
          client.println("<html><title>NSMF</title>");
          client.println();
          client.println("<body>");
          client.println("<p>NSMF</p>");
          client.println();
          client.println("<form method='post'>");
          client.println(   "<fieldset>");
          client.println(      "<legend>Manual Feed</legend>");
          client.println(      "Portion : ");
          client.println(      "<input type='radio' name='portionM' value='s'>Small</input>");
          client.println(      "<input type='radio' name='portionM' value='m'>Medium</input>");
          client.println(      "<input type='radio' name='portionM' value='l'>Large</input>");
          client.println(      "<button type='submit'>Feed Now</button>");
          client.println(   "</fieldset>");
          client.println("</form>");
          client.println();
          client.println("<form method='get'>");
          client.println(   "<fieldset>");
          client.println(      "<legend>Auto Feed</legend>");
          client.println(      "Portion : ");
          client.println(      "<input type='radio' name='portionA' value='s'>Small</input>");
          client.println(      "<input type='radio' name='portionA' value='m'>Medium</input>");
          client.println(      "<input type='radio' name='portionA' value='l'>Large</input>");
          client.println(      "
");
          client.println(      "Time interval : ");
          client.println(      "<select name='time'>");
          client.println(         "<option value='5m'>5 minutes</option>");
          client.println(         "<option value='30m'>30 minutes</option>");
          client.println(         "<option value='1h'>1 Hour</option>");
          client.println(         "<option value='3h'>3 Hours</option>");
          client.println(         "<option value='5h'>5 Hours</option>");
          client.println(         "<option value='7h'>7 Hours</option>");
          client.println(         "<option value='9h'>9 Hours</option>");
          client.println(         "<option value='11h'>11 Hours</option>");
          client.println(      "</select>");
          client.println();
          client.println(      "<button type='submit'>Auto Feed</button>");
          client.println(   "</fieldset>");
          client.println("</form>");
          client.println();
          client.println();
          client.println();
          
          
          //search from URL - could be done in function
          //manual mode
          if(inString.indexOf("portionM=s")>0){
            mode=1;
            portion=1;
          }
          else if(inString.indexOf("portionM=m")>0){
            mode=1;
            portion=2;
            //client.println("manual : m");
          }
          else if(inString.indexOf("portionM=l")>0){
            mode=1;
            portion=3;
            //client.println("manual : l");
          }
          //auto mode
          if(inString.indexOf("portionA=s")>0){
            mode=2;    //auto
            portion=1; //small
          }
          else if(inString.indexOf("portionA=m")>0){
            mode=2;    //auto
            portion=2; //medium
          }
          else if(inString.indexOf("portionA=l")>0){
            mode=2;    //auto
            portion=3; //large
          }
          //get the time
          if(inString.indexOf("time=5m")>0)
            client.println("
5 minutes");

          
          //PRINT
          //mode print
          client.println("
Current Mode : ");
          if(mode==1)      //manual
            client.println("Manual. ");
          else if(mode==2) //auto
            client.println("Auto. ");
          else
            client.println("null");
          //portion print  
          client.println();
          client.println("
Portion : ");
          if(portion==1)
            client.println("Small. ");
          else if(portion==2)
            client.println("Medium. ");
          else if(portion==3)
            client.println("Large. ");
          else
            client.println("null");

         
         client.println("</body></html>");
          break;
        }//if end
        if (c == '\n') {
          // we're starting a new line
          current_line_is_blank = true;
        } 
        else if (c != '\r') {
          // we've gotten a character on the current line
          current_line_is_blank = false;
        }
      }//if end
    }//while end
    // give the web browser time to receive the data
    delay(1);
    
    inString = "";
    client.stop();

  }//if end
} //loop end