What are some key metrics to measure the success of Reddit ad campaigns?

June 25, 2025 by Andrew Smith

Advertising on Reddit can be incredibly powerful thanks to its vast, niche-driven communities and highly engaged user base. However, to ensure your Reddit ad campaigns are truly effective, it’s crucial to measure their performance using the right metrics. Understanding these key performance indicators (KPIs) helps marketers fine-tune their strategies, allocate budgets more efficiently, and ultimately generate better ROI.

Digital Marketing

Reddit offers unique advertising options, and evaluating their success requires a combination of general digital marketing metrics and platform-specific indicators. Here’s a breakdown of some of the most important metrics for measuring your Reddit ad campaign’s success:

1. Impressions

This is one of the most fundamental metrics. Impressions refer to the number of times your ad is displayed to users. A high number of impressions means your ad has strong visibility, but it doesn’t necessarily indicate engagement or interest.

  • Why it matters: It helps assess the reach and frequency of your campaign.
  • Use it to: Identify which subreddits or audience segments are seeing your ads the most.

2. Click-Through Rate (CTR)

CTR is the ratio of users who click on your ad compared to the number of impressions. This metric helps measure how compelling your ad copy, images, and call to action are to Reddit users.

  • Why it matters: A higher CTR usually indicates your messaging resonates with your audience.
  • Use it to: A/B test different creatives and optimize underperforming ads.

3. Conversion Rate

Conversion rate shows the percentage of users who completed a desired action after clicking on your ad—such as signing up for a newsletter, making a purchase, or downloading an app.

  • Why it matters: It directly correlates with campaign effectiveness in driving your business goals.
  • Use it to: Measure ROI and campaign profitability.

4. Cost Per Click (CPC) and Cost Per Thousand Impressions (CPM)

Understanding how much you’re paying for engagement and visibility is vital for budget optimization. Reddit offers both CPC and CPM pricing models depending on the campaign objective.

  • CPC: Cost each time a user clicks on your ad.
  • CPM: Cost per 1,000 impressions, useful for brand awareness campaigns.
  • Why it matters: Helps calculate the efficiency of your ad spend.
  • Use it to: Adjust bidding strategies for better cost-effectiveness.

5. Engagement Metrics

Unlike many other platforms, Reddit thrives on user engagement. Comments, upvotes, and even downvotes offer valuable qualitative insights into how your ad is being received.

  • Why it matters: High engagement can mean strong relevance or controversy—both worth investigating.
  • Use it to: Gauge sentiment and tweak your message for better resonance.

6. Subreddit Performance

Reddit is organized around thousands of micro-communities called subreddits. Each has its own tone, rules, and user behavior. Monitoring where your ads perform best can help focus your targeting.

  • Why it matters: Not all subreddits are created equal in terms of ad performance.
  • Use it to: Prioritize high-performing subreddits and test new ones strategically.

7. Time on Site and Bounce Rate

Once users click your ad, what they do on your landing page or site also provides important data. Metrics like average time on site and bounce rate help judge landing page quality and alignment with ad content.

  • Why it matters: A mismatch between ad and landing page can hurt conversions.
  • Use it to: Improve your landing page’s relevance and user experience.

8. Return on Ad Spend (ROAS)

This is the ultimate bottom-line metric for many marketers. ROAS measures how much revenue you generate for every dollar spent on Reddit ads.

  • Why it matters: It synthesizes campaign effectiveness and financial efficiency.
  • Use it to: Justify ad budgets and scale successful campaigns.

9. Post-Campaign Surveys

Reddit offers brand lift studies for eligible campaigns. These measure changes in brand awareness, recall, and perception directly from users who’ve seen your ads.

  • Why it matters: Adds depth to your understanding of impact beyond clicks and conversions.
  • Use it to: Fine-tune creatives and gain insights for future campaigns.

In conclusion, tracking and analyzing a mix of quantitative and qualitative metrics is essential to unlocking the full potential of Reddit advertising. Whether your goal is brand awareness, user engagement, or direct conversions, understanding what to measure—and why—can set your campaigns apart and power real business outcomes.