Java Selenium framework to save load times to a CSV file

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

import java.io.FileWriter;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;

public class PageLoadTimeToCSV {
    public static void main(String[] args) {
        // Set the path to your WebDriver executable
        System.setProperty("webdriver.chrome.driver", "/path/to/chromedriver");

        // List of URLs to test
        List<String> urls = Arrays.asList(
                "https://www.example.com",
                "https://www.google.com",
                "https://www.github.com"
        );

        // CSV file path
        String csvFile = "page_load_times.csv";

        // Initialize WebDriver
        WebDriver driver = new ChromeDriver();

        try (FileWriter writer = new FileWriter(csvFile)) {
            // Write CSV header
            writer.append("URL,Load Time (ms)\n");

            for (String url : urls) {
                // Start time before page load
                long startTime = System.currentTimeMillis();

                // Navigate to the URL
                driver.get(url);

                // Wait for the page to load completely (customize the wait condition as needed)
                WebDriverWait wait = new WebDriverWait(driver, 30);
                wait.until(ExpectedConditions.presenceOfElementLocated(By.tagName("body")));

                // End time after page load
                long endTime = System.currentTimeMillis();

                // Calculate the load time
                long loadTime = endTime - startTime;

                // Write result to CSV
                writer.append(url).append(",").append(String.valueOf(loadTime)).append("\n");

                System.out.println("Page Load Time for " + url + ": " + loadTime + " milliseconds");
            }

        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            // Close the browser
            driver.quit();
        }
    }
}