Find All broken Links in a Web Page – Automation Fraternity Blog

Code to find all broken links in a web page. Broken links are the links which navigates no where, i.e. they return http status code other than 200. For example if page is not fond than status code will be returned as 404.

More on HTTP status code here: https://www.tutorialspoint.com/http/http_status_codes

In below code we are trying to get all the urls from the page first and then using java classes (URL and HttpUrlConnection) to hit the urls.

package dev.backup.akash.codesnippets;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;

public class FindAllBrokenLinks {

	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub

		System.setProperty("webdriver.chrome.driver", 
				"C:\\Users\\Devina\\Downloads\\chromedriver_win32\\chromedriver.exe");
		
		//1 Create Driver object
		WebDriver driver = new ChromeDriver();
		driver.manage().timeouts().implicitlyWait(20, TimeUnit.SECONDS);
	
		//Navigate and click on the link
		driver.get("http://parabank.parasoft.com/");
		
		List<WebElement> col_all_links = driver.findElements(By.xpath("//a"));
		
		//Saving all urls in the Array List
		ArrayList<String> list_of_all_urls = new ArrayList<String>();
		for(int i=0;i<col_all_links.size();i++) {
			list_of_all_urls.add(col_all_links.get(i).getAttribute("href"));
			
			//Creating URL object
			URL url_link = new URL(list_of_all_urls.get(0));
			
			//creating conn object for the URL
			HttpURLConnection conn = (HttpURLConnection) url_link.openConnection();
			conn.setRequestMethod("GET");
			conn.setConnectTimeout(2000);
			
			conn.connect();
			
			if (conn.getResponseCode()==200) {
				System.out.println("Link is not broken. Status code is:" + conn.getResponseCode() +" URL: " + list_of_all_urls.get(i) );
			}else {
				System.err.println("Link is broken. Status code :" + conn.getResponseCode() + " URL: " + list_of_all_urls.get(i) );
			}
		}
	}
}

package dev.backup.akash.codesnippets;

import java.io.IOException;

import java.net.HttpURLConnection;

import java.net.URL;

import java.util.ArrayList;

import java.util.List;

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.WebElement;

import org.openqa.selenium.chrome.ChromeDriver;

public class FindAllBrokenLinks {

public static void main(String[] args) throws IOException {

// TODO Auto-generated method stub

System.setProperty("webdriver.chrome.driver",

"C:\\Users\\Devina\\Downloads\\chromedriver_win32\\chromedriver.exe");

//1 Create Driver object

WebDriver driver = new ChromeDriver();

driver.manage().timeouts().implicitlyWait(20, TimeUnit.SECONDS);

//Navigate and click on the link

driver.get("http://parabank.parasoft.com/");

List<WebElement> col_all_links = driver.findElements(By.xpath("//a"));

//Saving all urls in the Array List

ArrayList<String> list_of_all_urls = new ArrayList<String>();

for(int i=0;i<col_all_links.size();i++) {

list_of_all_urls.add(col_all_links.get(i).getAttribute("href"));

//Creating URL object

URL url_link = new URL(list_of_all_urls.get(0));

//creating conn object for the URL

HttpURLConnection conn = (HttpURLConnection) url_link.openConnection();

conn.setRequestMethod("GET");

conn.setConnectTimeout(2000);

conn.connect();

if (conn.getResponseCode()==200) {

System.out.println("Link is not broken. Status code is:" + conn.getResponseCode() +" URL: " + list_of_all_urls.get(i) );

}else {

System.err.println("Link is broken. Status code :" + conn.getResponseCode() + " URL: " + list_of_all_urls.get(i) );

}

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