Callback Widget: What It Is and How to Add One (2026)

Some visitors would rather talk than type. A callback widget lets them reach a real person from the page they are on.

They tap a phone number, or leave theirs and wait for you to call them back.

It earns its place wherever a question stands between a visitor and a sale, such as services, higher-priced products, courses and B2B software.

This guide covers what a callback widget is, how the two main types differ, how to add one to WordPress, Shopify, Wix and 20 other platforms, and how to tell whether it brings in calls.

What Is a Callback Widget?

Think of it as a contact page that comes to the visitor. A tab or card on the page connects them with a named person on your team by phone, so nobody has to hunt for your number.

Most sit at the edge of the screen as a “Contact” or phone tab. Tapping it opens a card with a photo, a name, a short greeting and a button that dials your number or sends an email.

On a phone, that one tap opens the dialer with your number filled in. On a desktop, visitors see the number and the person they will speak to.

Click-to-Call or a Callback Request Form?

Callback widgets come in two forms, and the right one depends on whether someone can answer the phone when a visitor taps.

	Click to call	Callback request form
What happens	The visitor taps and calls you now	The visitor leaves a number and you call later
Best when	Someone answers the phone during business hours	Calls come in after hours or across time zones
Visitor effort	One tap	Two fields and a wait
Your effort	Answer when it rings	Call back fast, ideally within the hour

WiserNotify’s Call back widget works the click-to-call way, and it can also show an email address for questions that arrive after hours.

How to Add a Callback Widget to Your Website

The video walks through the full setup. The steps below match it, with a screenshot for each one.

Step 1: Create Your Account

1. Sign up for WiserNotify.
2. Confirm your email and open the dashboard.

Step 2: Copy Your Pixel

1. Open the Install pixel page.
2. Click Copy code.
3. Paste it into your site’s head code. The platform table below shows exactly where on each platform.

Step 3: Verify the Pixel

1. Open your site in a new tab and refresh it.
2. Back in WiserNotify, click Verify pixel installation.
3. Wait for the green message saying the pixel was detected.

Step 4: Add the Call Back Widget

1. Go to Notifications › Widgets.
2. Open the Call To Actions tab.
3. Click Add on the Call back card.
4. Name the widget, enter your domain and click Create & customize.

Step 5: Write the Contact Card

1. Open Text editor and type the name, role and greeting of the person who will answer.
2. Turn on Phone and add the full number, country code included.
3. Turn on Email as well if calls can’t be answered around the clock.

Step 6: Set the Position

1. Open Position & animation.
2. Pick where the tab sits on mobile and on desktop.
3. Choose a vertical or horizontal button and an animation.

Step 7: Choose When It Shows

1. Open Timing control.
2. Set start and expiry dates, or pick specific days of the week.
3. Choose a short delay before the tab appears.

Step 8: Pick Pages and Publish

1. Open the Display tab.
2. Choose the pages where the widget should show, or keep all pages.
3. Add targeting by country, UTM, new or returning visitors if you need it.
4. Click Save, then Publish, and check the page in a private window.

Where to Add the Pixel on Your Platform

On most platforms the pixel goes in once, site-wide, and every widget you build after that appears without touching your site again. Page builders such as ClickFunnels, Instapage and Kartra take it per page or funnel. Here is where it goes on each platform.

Platform	Where the pixel goes	Full guide
WordPress, WooCommerce, Elementor, Divi	Install the WiserNotify plugin, then paste your API key	Callback widget on WordPress
Shopify	Online Store › Themes › Edit code › theme.liquid, before the closing body tag	Shopify pixel guide
Wix	Settings › Custom code › Add code to the head	Callback widget on Wix
Squarespace	Settings › Advanced › Code injection	Callback widget on Squarespace
GoDaddy	Site settings, in the head code area	Callback widget on GoDaddy
Webflow	Site settings › Custom code › Head code	Webflow pixel guide
Weebly	Settings › SEO › Header code	Weebly pixel guide
Framer	Site settings › Code › Head	Framer pixel guide
ClickFunnels	Funnel Settings › Body tracking code	ClickFunnels pixel guide
Kajabi	Settings › Site details › Page scripts	Kajabi pixel guide
Kartra	My Pages › Edit › Settings › Tracking code, without the script tags	Callback widget on Kartra
Thinkific	Settings › Code & analytics › Site footer code	Thinkific pixel guide
Teachable	Admin › Site › Code snippets › Header code	Teachable pixel guide
Podia	Store settings › General › Website tracking code	Podia pixel guide
LearnWorlds	Site settings, in the head code area	Callback widget on LearnWorlds
Unbounce	Settings › Script Manager › Custom Script in the head	Unbounce pixel guide
Instapage	Page › Scripts & GDPR › Head	Instapage pixel guide
Systeme.io	Funnel step editor › Raw HTML element	Systeme.io pixel guide
HubSpot	Settings › Tools › Pages › Templates	HubSpot pixel guide
Ecwid	Sales channels › Website › SEO › Add code	Ecwid pixel guide
PrestaShop	WiserNotify module, then your API key	Callback widget on PrestaShop
Magento 2	WiserNotify extension, then your API key	Magento 2 pixel guide
Any other site	Paste the pixel in the head, or add it as a Custom HTML tag in Google Tag Manager	Google Tag Manager guide

Where to Show a Callback Widget

Show the widget where a question is the last thing between a visitor and a decision, not on every page by default.

• Pricing page: plan and quote doubts are the most common reason people want to talk before buying.
• Service pages: when scope and price vary, a two-minute call answers what the page can’t.
• Landing pages for paid traffic: visitors from ads arrive with specific questions and leave fast if they can’t ask.
• Checkout or booking pages: a quiet tab helps with last-minute worries about delivery, setup or fit.

Leave it off blog posts and help articles unless people call you from them already. There, a phone tab mostly adds noise.

Phone visitors respond to different prompts than desktop ones, and this guide to the mobile call to action covers the rest.

Callback Widget Not Showing?

Almost every missing widget comes down to one of these.

• Pixel not detected: the code is missing, pasted into the wrong field, or blocked by a caching plugin. Clear the cache and verify again.
• Widget paused: a saved widget stays off until you click Publish.
• Page rule mismatch: a rule for /pricing won’t fire on /pricing/ or a translated URL. Test with “contains” rules.
• Timing rules: a future start date, a days-of-week filter or a long delay can hide it while you test.
• Old cached page: check in a private window, since your own browser may still show the version from before.

Callback Widget Mistakes to Avoid

A callback widget only works if visitors trust that a real person will pick up.

• A faceless card: “Customer Service” with a stock icon gets ignored. A photo and a first name get tapped.
• No hours: if nobody answers at 9pm, say when you do, or switch to an email address after hours.
• A number without a country code: international visitors can’t dial it from a phone.
• Popping up too soon: a tab that slides out in the first second looks like an ad. Let visitors read first.
• Missed calls: one unanswered call teaches a visitor the button doesn’t work. Route the number to someone who picks up.

How to Measure Callback Widget Results

Track the widget from the first tap to the sale, not just the clicks.

• Taps: the widget’s analytics in WiserNotify show its views and clicks over time.
• Calls answered: use a dedicated number, or a tracking number, so website calls show up separately in your phone logs.
• Booked or closed: tag those calls in your CRM so you can see what they turn into.
• Page comparison: run it on one page for two weeks, then compare inquiries against the two weeks before.

If you mostly sell through forms, compare the callback widget’s results with your lead to sale rate from form inquiries.

Wrap Up

A callback widget gives hesitant visitors a person to talk to at the moment they are deciding. Put a real face and real hours on it, and place it where questions block a sale.

Start on your pricing or main service page, answer every call for two weeks, then decide where to add it next.

Related Posts:

• Call to Action Designs With Examples
• Best Widgets for Websites
• Website Pop-Up Examples