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Share of Voice Calculator

Use cases

Competitive market analysis by traffic share Tracking visibility changes over time Identifying market leaders in a keyword set Client reporting on organic market share

Calculates Share of Voice as (Domain Traffic / Total Traffic) × 100 with 2 decimal precision.

Automatic domain column detection with UTF-8/Latin-1 encoding fallback.

Filters unwanted domains via regex pattern matching.

Exports multi-sheet Excel workbook via xlsxwriter with embedded column chart.

Streamlit App

Platform

Browser-based (no installation required)

Input

Ahrefs Traffic by Domain CSV from Keywords Explorer

Bad domains CSV for exclusion (optional)

Output

Excel with share of voice rankings

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Features

  • SOV formula: (Domain Traffic / Total Traffic) × 100
  • Auto domain column detection with encoding fallback
  • Regex-based bad domain filtering
  • Top N domains slider (5-50)
  • Excel export with embedded column chart (xlsxwriter)
  • Summary metrics: domain count, total traffic, leader SOV

How to use

  1. 1 Export Traffic by Domain from Ahrefs Keywords Explorer
  2. 2 Upload CSV (auto-detects UTF-8 or Latin-1 encoding)
  3. 3 Select domain column if auto-detection fails
  4. 4 Upload optional bad domains list to exclude
  5. 5 Set Top N domains (5-50) and download Excel

Want me to run this for you?

I offer this as a managed service. You get the insights without touching the tool.

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