index.js

const playwright = require('playwright');

(async () => {
  const browser = await playwright.chromium.launch({
    proxy: { server: 'http://91.216.164.251:80' }, // Another free proxy from the list
  });
  const context = await browser.newContext();
  const page = await context.newPage();
  page.setExtraHTTPHeaders({ referrer: 'https://news.ycombinator.com/' });
  await page.goto('http://httpbin.org/anything');
  console.log(await page.locator('pre').textContent()); // Print the complete response
  await browser.close();
})();

// "Referrer": "https://news.ycombinator.com/"
// "origin": "91.216.164.251"