e-tib.com/test-contact.cjs

const puppeteer = require('puppeteer');
(async () => {
  const browser = await puppeteer.launch({ headless: true });
  const page = await browser.newPage();
  
  await page.goto('https://test.e-tib.com/de/kontakt', { waitUntil: 'networkidle0' });
  const html = await page.content();
  const fs = require('fs');
  fs.writeFileSync('contact-page-debug.html', html);
  
  await browser.close();
})();