Guide · Updated October 2026

How Do I Add WhatsApp to My Website?

How to add a WhatsApp chat button to your business website, with click-to-chat links, pre-filled messages and tips for more enquiries.

How Do I Add WhatsApp to My Website?

Short answer: use a WhatsApp click-to-chat link in the format https://wa.me/yournumber, with your number in international format and no plus sign or spaces. Add it as a button on every page, ideally floating on mobile.

Step by step

  1. Write your number in international format, for example 447700900000.
  2. Create the link: https://wa.me/447700900000.
  3. Optionally add a pre-filled message: ?text=Hi%2C%20I%20would%20like%20a%20quote.
  4. Add the link to a button on your site.
  5. Test on a phone and desktop.

Why WhatsApp works

  • Many customers prefer messaging to calling.
  • They can send photos for quick quotes.
  • Conversations are easy to follow up.

WhatsApp built into every SiteDrum site.

SiteDrum builds fast, mobile-first websites from $99 setup and $15 a month, with hosting, security, Google setup and support included. Already have a site that is slow or broken? Try Website Rescue or run our free speed test.

Tips

  • Use WhatsApp Business for greetings and away messages.
  • Keep the button visible but not covering content.
  • Avoid heavy chat widgets that slow your site; a simple link is fastest.

The bottom line

A WhatsApp button is one of the easiest ways to get more enquiries. A simple link is fast, free and works everywhere.

Frequently asked questions

Is a WhatsApp button free?

Yes. Click-to-chat links are free.

Do I need WhatsApp Business?

Not required, but it adds useful business features.

Will a WhatsApp widget slow my site?

Heavy widgets can. A simple link button does not.

Can I track WhatsApp clicks?

Yes, with analytics event tracking on the button.

Want a website that brings you customers?

Tell us what you do on WhatsApp and we will send a fixed quote and a free mockup.

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Related guides

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