Website Call Button: The Complete Guide to Adding Click-to-Call on Any Site

What is a website call button?

A website call button (also called a click-to-call button or browser calling widget) is a button embedded on your website that lets visitors initiate a voice call to your team with a single click — directly from their browser, with no app download, no phone number, and no waiting on hold. Modern website call buttons use WebRTC technology to create browser-to-browser calls that connect in under 2 seconds.

Website call button vs. traditional phone number

A traditional phone number on your website has three friction points: the visitor has to spot the number, switch to their phone app, and dial it manually. On mobile, clicking a tel: link opens the native dialer — but on desktop, it breaks the experience entirely.

A website call button eliminates all friction. The visitor is already in their browser. One click, and they're talking to you. No device switching. No dialing. No waiting.

How to add a call button to your website (any platform)

With WebCallHub, adding a call button takes under 5 minutes:

Step 1: Sign up at webcallhub.com. The free plan includes 1 agent and 200 minutes/month — no credit card required.

Step 2: In your dashboard, go to Websites → Add Website. Enter your domain to get a unique site key.

Step 3: Copy the widget script:
<script src="https://webcallhub.com/embed/widget.js" data-tenant="YOUR_SITE_KEY" async></script>

Step 4: Paste it before the closing </body> tag on your site.

For WordPress: Appearance → Theme Editor → footer.php
For Shopify: Online Store → Themes → Edit Code → theme.liquid
For Webflow: Project Settings → Custom Code → Footer Code
For Squarespace: Settings → Advanced → Code Injection → Footer
For React/Next.js: Add to index.html or use useEffect

Step 5: Go online in the agent dashboard. The call button is now live on your website.

Customizing your call button

WebCallHub's call button supports:
• Brand color: match your site's color scheme
• Position: bottom-right or bottom-left
• Custom greeting: show a message before the visitor clicks
• Offline mode: hide the button or show a contact form when agents are unavailable
• White-label: remove WebCallHub branding entirely (Business plan)

You can also use CSS to style the button container, or use the REST API for programmatic control.

Mobile and cross-browser compatibility

The WebCallHub call button works on all major browsers: Chrome, Firefox, Safari (iOS 11+), Edge, and Opera. On mobile, visitors use their phone's built-in microphone — the same quality as a regular call, entirely through the browser tab. No app to download.

Measuring the impact of your call button

WebCallHub's analytics dashboard shows:
• Call volume (today, week, month)
• Answer rate (how often your team picks up)
• Average call duration
• Missed calls (so you can spot staffing gaps)
• Response time (how quickly your team answers)

Business plans include data export and webhook integration so you can pipe call data into your CRM or analytics tool.

Pricing

Free plan: 200 minutes/month, 1 agent, 1 website, 'Powered by WebCallHub' badge — forever free. No credit card required.

Starter: $19/month — 2 agents, 300 min/month, branding removed. 15-day free trial.

Growth: $49/month — 2,500 min/month, 5 agents, analytics, webhooks. 15-day free trial.

Business: $149/month — 5,000 min/month, API access, white-label widget, dedicated CSM. 15-day free trial.