NodeMCU with Web-server

#include <ESP8266WiFi.h>

WiFiClient client;
WiFiServer server(80);

#define led1 D0
#define led2 D2
#define led3 D4

void setup()
{
  Serial.begin(9600); // serial communication boad rate - send data from hardware to computer
  WiFi.begin("Wifi name", "Password"); // User ID and pasword for connet esp8266 to our internet oe make ESP as wifi
  while (WiFi.status() != WL_CONNECTED) // check nodemcu is connected or not
  {
    delay(200);
    Serial.print("..");
  }
  Serial.println();
  Serial.println("NodeMCU is connected!"); // 
  Serial.println(WiFi.localIP()); // it will print ID address on serial moniter
  server.begin();// for run nodemcu as a server
  pinMode(led1, OUTPUT);
  pinMode (led2, OUTPUT);
  pinMode (led3, OUTPUT);
  
}

void loop()
{
  // put your main code here, to run repeatedly:
  client = server.available();  //Gets a client that is connected to the server and has data available for reading.
  if (client == 1) //( if requested data is = 1)
  {
    String request =  client.readStringUntil('\n'); // store request data in string request variable
    Serial.println(request); // Read request data
    request.trim(); // clear garbege value
    
    if (request == "GET /led1on HTTP/1.1")
    {
      digitalWrite(led1, HIGH);
    }
    if (request == "GET /led1off HTTP/1.1")
    {
      digitalWrite(led1, LOW);
    }

    if (request == "GET /led21on HTTP/1.1")
    {
      digitalWrite(led2, HIGH);
    }
    if (request == "GET /led12off HTTP/1.1")
    {
      digitalWrite(led2, LOW);
    }

   if (request == "GET /led31on HTTP/1.1")
    {
      digitalWrite(led3, HIGH);
    }
    if (request == "GET /led31off HTTP/1.1")
    {
      digitalWrite(led3, LOW);
    }
  }
}
// Your code here