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Missed Call Cost Calculator

WordPress plugin: show service businesses what unanswered calls cost — [missed_call_cost_calculator] shortcode

by James Thompson · github.com/jtabsbm/missed-call-cost-calculator · website

★ 0stars

Install

Download source zip No release zip yet

This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.

Install straight from GitHub with WP-CLI:

wp plugin install https://github.com/jtabsbm/missed-call-cost-calculator/archive/refs/heads/main.zip
No built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Readme github.com/jtabsbm/missed-call-cost-calculator ↗

Show service businesses what unanswered calls actually cost them — a fast, self-contained calculator shortcode.

Description

Service businesses miss 20–30% of inbound calls (after-hours, overflow, busy lines). This plugin adds a clean, dark-themed calculator to any page with one shortcode:

[missed_call_cost_calculator]

Visitors enter their calls per week, average job value, close rate, and missed-call percentage — the calculator instantly shows revenue lost per missed call and per year, with an animated result.

All defaults are editable via shortcode attributes:

[missed_call_cost_calculator calls="60" value="1200" close="30" missed="20" label="What are missed calls costing your roofing company?"]

Features:

  • Zero dependencies — vanilla JS and CSS
  • Assets load only on pages where the shortcode is used
  • All inputs sanitized server-side; math runs client-side
  • Responsive, accessible labels, dark theme

Installation

  1. Upload the missed-call-cost-calculator folder to /wp-content/plugins/, or install the ZIP via Plugins → Add New → Upload.
  2. Activate the plugin.
  3. Add [missed_call_cost_calculator] to any page or post.

Frequently Asked Questions

Where do the benchmark numbers come from?

The 45% "would-have-booked" multiplier and the 20–30% missed-call band are pooled industry call-handling benchmarks. All inputs are user-editable so visitors can use their own numbers.

Does it send data anywhere?

No. All calculation happens in the visitor's browser. No network calls, no analytics, no cookies.

Can I change the styling?

Yes — override the .mcc-* classes in your theme's stylesheet.

Changelog

1.0.0

  • Initial release: shortcode, sanitization, animated results, responsive dark theme.