Digital Marketing With Ruby

How to Measure the ROI of Digital Marketing Agency Campaigns

Measuring the ROI (Return on Investment) of digital marketing campaigns is key to understanding how well your agency’s efforts are paying off. Here’s how small businesses and brands can track it effectively:

1. Define Your Goals Clearly

Before anything else, set specific goals—like increasing website traffic, generating leads, or boosting sales. ROI is only meaningful when tied to a clear objective.

2. Track Conversions

Use tools like Google Analytics, Facebook Pixel, or CRM platforms to monitor actions such as purchases, sign-ups, or form submissions. These are your key conversion metrics.

3. Calculate ROI Formula

The basic formula is:

ROI = (Revenue from Campaign – Cost of Campaign) / Cost of Campaign × 100

For example, if you spent SGD $200 and earned SGD $600 from a campaign, your ROI is 200%.

4. Monitor Cost per Lead (CPL) & Customer Acquisition Cost (CAC)

These metrics help you understand how efficiently your money is being spent to attract new customers.

5. Use UTM Tags and Conversion Tracking

Add UTM parameters to your campaign URLs and set up proper goals in analytics tools. This helps attribute revenue or leads to the correct source—social, ads, email, etc.

6. Check Long-Term Value, Not Just Immediate Returns

Some digital strategies (like SEO or content marketing) may take time to show results but deliver better ROI over time. Don’t measure success only on instant conversions.


At Digital Marketing with Ruby, we provide transparent reporting and goal-based tracking so you can see exactly how your marketing investment is performing—every step of the way.

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