> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aiderx.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Performance Analytics

> Learn how to review and improve your campaign's ad performance.

## Who is this guide for?

This guide is for anyone reviewing ad performance with an **Advertiser** or **Admin** account.

* You want to check Impressions, Clicks, and Conversions for your campaigns
* You want to compare performance by Creative and by Placement
* You want insights to improve ad efficiency

***

## Before you begin

<Note>
  The following requirements must be met:

  * Access to the A2 admin console (Analytics read permission)
  * At least **one Campaign** to analyze
  * Ads must have been served before any data appears
</Note>

***

## Performance Analytics overview

Once ads are served, you can check performance in real time.

```mermaid theme={null}
flowchart LR
    A[Overall campaign performance] --> B[Performance by Placement]
    A --> C[Performance by Creative]
    A --> D[Performance by time]
```

***

## Understanding key metrics

### Basic metrics

| Metric | English | Meaning | Unit |
| - | - | - | - |
| **Impressions** | Impression | Number of times the ad was displayed on screen | count |
| **Clicks** | Click | Number of times users clicked the ad | count |
| **Conversions** | Conversion | Purchases, sign-ups, etc. that occurred after the ad | count |
| **Reach** | Reach | Number of unique users who saw the ad | users |
| **Budget spent** | Budget Spent | Ad cost spent | KRW |

### Efficiency metrics

| Metric | Abbreviation | Meaning | Formula | Higher is? |
| - | - | - | - | - |
| **Click-through rate** | CTR | Click-Through Rate | Clicks ÷ Impressions × 100 | 👍 Better |
| **Conversion rate** | CVR | Conversion Rate | Conversions ÷ Clicks × 100 | 👍 Better |
| **Cost per click** | CPC | Cost Per Click | Budget spent ÷ Clicks | 👎 Lower is better |
| **Cost per 1,000 impressions** | CPM | Cost Per Mille | Budget spent ÷ Impressions × 1000 | 👎 Lower is better |
| **Cost per conversion** | CPA | Cost Per Acquisition | Budget spent ÷ Conversions | 👎 Lower is better |

***

## Checking campaign performance

### 1. Overall campaign performance

1. In the **Campaign** menu, select the campaign you want to review.
2. Click the **Performance Analytics** tab.
3. Review the overall performance summary.

### What to check

| Item | What to look for |
| - | - |
| **Impressions** | Current achievement against the goal |
| **CTR** | Efficiency compared with the industry average |
| **Budget Progress** | Budget used relative to the remaining period |

### 2. Setting the period

You can view performance for any period you choose.

| Period option | Description |
| - | - |
| **Today** | Today only |
| **Yesterday** | Yesterday only |
| **Last 7 days** | 7 days including today |
| **Last 30 days** | 30 days including today |
| **Custom** | Any start date to end date |

***

## Checking performance by goal

The metrics to focus on depend on your campaign goal.

<Tabs>
  <Tab title="Impressions goal">
    **Key metrics**: Impressions, Reach, CPM

    | What to check | Meaning |
    | - | - |
    | Achievement against target Impressions | Whether you are meeting the goal |
    | CPM | Whether ads are being served efficiently |
    | Reach | How many people the ad has reached |

    <Tip>
      If Impressions are high but Reach is low, the same people may be seeing the ad multiple times.

      Check your frequency settings.
    </Tip>
  </Tab>

  <Tab title="Clicks goal">
    **Key metrics**: Clicks, CTR, CPC

    | What to check | Meaning |
    | - | - |
    | Clicks | Traffic to the landing page |
    | CTR | Whether the ad captures users' attention |
    | CPC | Whether the cost per click is reasonable |

    ### Interpreting CTR

    | CTR | Rating | Recommended action |
    | - | - | - |
    | 2% or higher | 👍 Good | Increase Budget, add similar Creatives |
    | 1–2% | Average | Improve with A/B testing |
    | Below 1% | 👎 Needs improvement | Review Creatives/Targeting |
  </Tab>

  <Tab title="Conversions goal">
    **Key metrics**: Conversions, CVR, CPA

    | What to check | Meaning |
    | - | - |
    | Conversions | Actual business results (purchases, sign-ups, etc.) |
    | CVR | Conversion efficiency relative to Clicks |
    | CPA | Whether the cost per conversion is profitable |

    <Note>
      If CPA is higher than your target, try narrowing Targeting or improving the landing page.
    </Note>
  </Tab>
</Tabs>

***

## Comparing performance by Creative

If you registered multiple Creatives, you can compare which ones are most effective.

### Checking performance by Creative

1. On the campaign performance analytics screen, click the **By Creative** tab.
2. Compare Impressions, Clicks, CTR, and more for each Creative.

### Creative optimization guide

| CTR level | Recommended action |
| - | - |
| **High** (top 20%) | Concentrate Budget, create more similar Creatives |
| **Average** (middle 60%) | Find improvements with A/B testing |
| **Low** (bottom 20%) | Consider replacing or deactivating the Creative |

<Tip>
  Deactivate low-performing Creatives and concentrate your Budget on high-performing ones.
</Tip>

***

## Comparing performance by Placement

If you allocated to multiple Placements, you can compare which Placements perform best.

### Checking performance by Placement

1. On the campaign performance analytics screen, click the **By Placement** tab.
2. Compare Impressions, Clicks, Budget spent, and more for each Placement.

### Placement optimization guide

| Placement performance | Recommended action |
| - | - |
| **High CTR, fast Budget spend** | Increase Budget or move Budget from other Placements |
| **Low CTR, slow Budget spend** | Adjust Targeting or consider canceling the Allocation |
| **High CTR, slow Budget spend** | Consider adjusting the bid price |

***

## Analyzing performance by time

### Daily trends

You can view daily performance changes in a chart.

### Time-of-day patterns

Analyze whether performance is better at certain times of day.

| Time of day | Characteristics | How to use it |
| - | - | - |
| **Morning (6–12)** | Commute time, mobile-heavy | Strengthen mobile Creatives |
| **Afternoon (12–18)** | Lunch/work hours | Distribute evenly |
| **Evening (18–24)** | After work, high engagement | Concentrate Budget |
| **Late night (0–6)** | Low traffic | Save Budget |

***

## Downloading reports

You can export analytics data to a file.

### How to download

1. Select the period and analysis items you want.
2. Click the **Download report** button to download a CSV file.

***

## Performance improvement checklist

<AccordionGroup>
  <Accordion title="When CTR is low">
    Review the following:

    1. **Improve Creatives** - More eye-catching design, clearer message
    2. **Adjust Targeting** - Serve only to highly relevant users
    3. **Change Placements** - Test Placements in other locations
    4. **A/B test** - Compare multiple versions of a Creative
  </Accordion>

  <Accordion title="When CPA is high">
    Review the following:

    1. **Improve the landing page** - Simplify the conversion path
    2. **Refine Targeting** - Focus on users more likely to convert
    3. **Adjust Bidding strategy** - Switch to conversion optimization
    4. **Test Creatives** - Find messages that drive conversions
  </Accordion>

  <Accordion title="When Reach is low">
    Review the following:

    1. **Broaden Targeting** - Make conditions less strict
    2. **Adjust frequency** - Relax frequency caps
    3. **Allocate to more Placements** - Serve on more Placements
    4. **Increase Budget** - Reach more users
  </Accordion>

  <Accordion title="When Budget is spent too quickly">
    Review the following:

    1. **Lower the bid price** - Reduce cost per impression
    2. **Narrow Targeting** - Focus only on your core audience
    3. **Frequency Capping** - Prevent excessive exposure to the same user
    4. **Stop low-performing Placements** - Focus on efficient Placements
  </Accordion>
</AccordionGroup>

***

## Troubleshooting

<AccordionGroup>
  <Accordion title="Data isn't showing in real time">
    Impression and click data is reflected **in near real time**. Conversion data may be delayed depending on your tracking setup. Please check again in a moment.
  </Accordion>

  <Accordion title="Conversion data isn't showing">
    Make sure conversion tracking is set up correctly. The conversion tracking code must be installed on your landing page.
  </Accordion>

  <Accordion title="How far back can I see data?">
    * **Hourly Detail**: Retained for 90 days
    * **Daily aggregated data**: Retained for 2 years
  </Accordion>

  <Accordion title="Can I see benchmark data?">
    You can refer to benchmark data on the Dashboard, such as average CTR and CVR by industry and Creative type.
  </Accordion>
</AccordionGroup>

***

## Wrapping up the advertiser guide

If you've made it this far, you've covered all the advertiser features of the A2 platform!

To review from the beginning: → [Advertiser guide overview](/guides/quick-start/en/advertiser)


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