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Is the booking engine secure (HTTPS)?

Why HTTPS security is essential

Key points:

  • HTTPS encrypts all data between the user and the server.
  • Essential for protecting payment and contact information.
  • It strengthens visitor trust and improves SEO ranking.

The security of your booking engine is a critical element of your hotel website. With HTTPS, all transmitted data—contact details, credit card numbers, stay preferences—is encrypted and protected against interception. Without HTTPS, a booking engine would be considered insecure by modern browsers, which would discourage customers from booking.

How to check if the search engine is using HTTPS

1. Check the search engine URL

  • When you click the “Book” button, look at the engine address in the browser bar.
  • It must begin with https:// and display a closed padlock icon on the left.
  • Example: ✅ https://booking.your-hotel.com 🚫 http://booking.your-hotel.com

💡 Tip: Click on the padlock to view the SSL certificate details (authority, validity, expiry date).

2. Check the integration on your site

If you integrated the engine directly via an iFrame:

  • The source (src) link of the iframe must also be HTTPS.
  • Avoid embedding an HTTP search engine within an HTTPS page, otherwise the browser will block the display due to mixed content.

Secure example:

<iframe

src="https://moteur.votre-hotel.com"

width="100%"

height="900"

style="border:0;">

</iframe>


3. Check the engine supplier

Most recognized providers (D-Edge, Availpro, Siteminder, Bookassist, etc.) use HTTPS connections with up-to-date SSL certificates by default.

  • You can confirm this with your provider: security is included in all their server hosting plans.
  • Some also offer extended (EV) certificates for enhanced validation.

4. Ensure that your own domain is secure

Even if the search engine is hosted elsewhere, your main site must also be using HTTPS.

  • Enable SSL in your hosting settings.
  • Automatically redirect all HTTP pages to HTTPS.
  • Ensure that your scripts (Google Analytics, pixels, iframes) use secure URLs.

Best practices for a secure engine

  • Regularly check the validity of your SSL certificate (at least once a quarter).
  • Enable the HSTS protocol to force secure browsing.
  • Update your integrations if your provider changes domain or certificate.
  • Inform your visitors with a discreet message: “Your data is protected by a secure connection.”

💡 Trust tip: add a small “🔒 Secure Payment” pictogram under the “Book” button to reassure users.

Conclusion

Yes, a modern, well-integrated booking engine is fully secured with HTTPS. This protocol protects your customers' sensitive data and ensures reliable browsing. Simply verify that both the engine's URL and your own website use a secure connection: this is essential for demonstrating trust and professionalism for any hotel establishment.