Marketing KPIs
Marketing KPIs are key performance indicators that can be used to assess whether marketing activities are achieving defined objectives. However, not every available figure is automatically a KPI. The decisive factor is whether a metric has a specific link to a marketing or business objective and thereby contributes to the evaluation or management of initiatives. Which marketing KPIs are relevant therefore depends on the specific objective. Different metrics are appropriate for brand awareness than for lead generation, turnover, profitability or customer loyalty. The channel under consideration and the respective stage in the marketing funnel also influence the choice.
The essentials of marketing KPIs at a glance
- Marketing KPIs measure progress towards defined objectives.
- Not every metric is automatically a KPI.
- Key metrics include conversion rate, CPL, CAC, ROAS, ROMI and customer lifetime value.
- The selection of KPIs should be guided by the business objective, the marketing objective and the stage of the sales funnel.
- Individual metrics are of limited value on their own and should, where possible, be interpreted within the appropriate context.
- KPI reporting should not contain as many metrics as possible, but rather the most relevant ones.
What are KPIs in marketing?
KPI stands for Key Performance Indicator. A marketing KPI shows how successful a marketing activity is in relation to a predefined objective.
The key feature of a KPI is therefore not measurability in itself, but its link to a specific objective. The number of website visits, for example, can be a relevant metric. However, if the objective is defined as generating more qualified enquiries via the website, the conversion rate or cost per lead may be far more meaningful. Marketing KPIs can reflect both operational and financial aspects. Some metrics show whether users are engaging with a campaign. Others measure how efficiently the marketing budget is being used or how much revenue new customers generate in the long term.
Why are marketing KPIs important?
Marketing typically generates large volumes of diverse data. Without clear criteria for selection, there is a risk of collecting many metrics that contribute little to the evaluation of marketing activities. KPIs distil this volume of data down to metrics relevant to decision-making. This makes it possible to:
- monitor trends over time,
- compare campaigns,
- identify deviations from target values.
However, KPIs do not automatically reveal the cause of a trend. If, for example, the conversion rate falls, this may be due to changes in traffic, a different offer or issues with a landing page. The KPI initially shows the change – additional data is required to analyse the causes.
What is the difference between a KPI, a metric and a vanity metric?
The terms ‘KPI’ and ‘metric’ are often used interchangeably, but they do not describe the same thing. Every KPI is a metric, but not every metric is a KPI.
- A metric is, first and foremost, a measurable value. This can include page views, clicks, impressions or email opens. A KPI only comes into being when such a metric is directly linked to a relevant objective.
- Figures that appear positive at first glance but provide only limited insight into whether an actual business objective is being achieved are often referred to as ‘vanity metrics ’. A high number of social media impressions, for example, may indicate a level of attention. However, it is not possible to deduce from this alone whether this will result in qualified leads, customers or revenue.
Whether a metric is a vanity metric or a meaningful KPI therefore also depends on the objective. For a pure awareness campaign, reach or impressions can certainly be key performance indicators.
An overview of the key marketing KPIs
| KPI | Typical Objective | Calculation / Basic Principle | Calculation / Basic Principle |
|---|---|---|---|
Conversion Rate | Increase conversions | Conversions ÷ relevant visits or interactions × 100 | Percentage of users who complete a desired action |
Cost per Lead (CPL) | Improve lead generation efficiency | Marketing costs ÷ leads generated | Average cost per lead |
Customer Acquisition Cost (CAC) | Evaluate customer acquisition | Acquisition costs ÷ new customers | Cost per acquired customer |
Return on Ad Spend (ROAS) | Evaluate advertising efficiency | Attributed advertising revenue ÷ advertising costs | Revenue generated in relation to the advertising budget spent |
Return on Marketing Investment (ROMI) | Evaluate the profitability of marketing | No standardized formula; depends on the definition of marketing return and the marketing costs included | Economic return generated by a marketing investment |
Customer Lifetime Value (CLV/LTV) | Evaluate long-term customer value | Depends on the business model; usually based on average customer revenue, margin, and duration of the customer relationship | Expected economic value of a customer over the entire customer relationship |
MQL-to-SQL Rate | Evaluate lead quality and handover to sales | SQLs ÷ MQLs × 100 | Percentage of Marketing Qualified Leads that become Sales Qualified Leads |
Click-through Rate (CTR) | Evaluate the click performance of ads or content | Clicks ÷ impressions × 100 | Percentage of impressions that result in a click |
Retention Rate | Evaluate customer retention | Retained customers ÷ relevant initial customer base × 100 | Percentage of customers retained during the period under review |
Churn Rate | Monitor customer losses | Lost customers ÷ relevant initial customer base × 100 | Percentage of customers lost during the period under review |
The overview shows that marketing KPIs differ not only in how they are calculated, but above all in the purpose for which they are used. Which metric is relevant therefore always depends on the specific marketing or business objective. A KPI such as CPL, for example, is suitable for assessing the efficiency of lead generation, whilst ROAS measures the cost-effectiveness of advertising expenditure.
A consistent definition is also particularly important when it comes to financial metrics. ROMI and Customer Lifetime Value can be calculated differently depending on the business model, data set and time period under consideration. For internal comparisons, it should therefore be documented which costs, revenues and time periods are included in the respective metric.
Which marketing KPIs are best suited to which objective? Selecting suitable marketing KPIs starts with the objective. A key performance indicator is only useful if it is clear what trend it is intended to track.
When it comes to measures aimed at increasing brand awareness, the focus is often on metrics such as reach, impressions, visibility, brand search volume or share of voice. These figures indicate the extent to which a brand or its content is potentially noticed.
However, such metrics cannot simply be equated with revenue metrics. Awareness KPIs measure a different stage of the marketing funnel to conversion or revenue KPIs.
In lead generation, key performance indicators that reflect both the quantity and quality of the leads generated are important. These include, for example, the conversion rate, cost per lead, the number of marketing-qualified leads, and the MQL-to-SQL rate.
The sheer number of leads generated is often not enough. A low CPL may appear positive, but at the same time be of little significance if only a few of these leads meet the defined quality criteria.
If marketing is to be assessed directly on the basis of its economic impact, metrics such as CAC, ROAS, ROMI or customer lifetime value become increasingly important. ROAS, for example, looks at the ratio of advertising revenue to advertising expenditure. The metric therefore primarily indicates the efficiency of the advertising budget deployed, but does not automatically reflect all costs or the actual profitability of a business model.
For existing customers, the focus shifts from acquisition to retention and long-term customer value. Retention rate, churn rate and customer lifetime value are typical metrics used to measure this.
Particular attention to customer retention can be important, especially in business models with recurring revenue, because high acquisition figures alone are not enough if, at the same time, many customers are being lost.
How can you choose the right marketing KPIs?
Firstly, it is important to clarify which overarching objective is to be supported. This could, for example, be revenue growth, acquiring new customers, brand awareness or greater customer loyalty.
A specific marketing objective is derived from the business objective. If, for example, the aim is to increase the number of qualified enquiries, it is necessary to define what constitutes a qualified lead.
A key performance indicator is then selected that shows, as directly as possible, whether the defined target is being achieved. For lead generation, for example, CPL and the MQL-to-SQL rate can be useful when considered together.
A KPI becomes particularly useful once it has been established how a particular value is to be interpreted. In addition to measuring the KPI, it is therefore important to define what analysis or action should be taken in the event of significant deviations.
Marketing KPIs by channel
In SEO and content marketing, metrics such as organic traffic, rankings, click-through rates in search results, visibility and organic conversions can be considered. Which metric takes precedence depends on the purpose of the content.
For an information-oriented specialist article, for example, organic reach may be relevant. A landing page designed for lead generation, on the other hand, is assessed more on the basis of conversions or qualified enquiries.
In performance marketing, CTR, cost per click, conversion rate, cost per acquisition and ROAS are among the most commonly used metrics.
There are often interdependencies between several KPIs. A low cost per click, for example, is not automatically a positive thing if the resulting visits hardly convert at all. It is therefore usually advisable to use a combination of several metrics when evaluating a campaign.
Typical social media metrics include reach, impressions, clicks, follower growth and engagement rate. Which of these are used as KPIs depends, once again, on the campaign objective.
A campaign aimed at building brand awareness requires different key performance indicators to a social ad campaign designed to generate leads or sales immediately.
In email marketing, delivery rates, open rates, click-through rates, conversion rates and unsubscribe rates are frequently analysed. The open rate alone, for example, does not in itself indicate whether recipients subsequently click on the content or carry out a desired action.
The closer a KPI is to the actual marketing objective, the more direct its indication of the measure’s success usually is.
How should marketing KPIs be interpreted correctly?
A single KPI always provides only a snapshot of the actual trend. Key performance indicators should therefore be viewed not merely as a snapshot, but within their temporal and contextual framework. A rising conversion rate, for example, can have a positive effect. However, if traffic falls sharply at the same time, the absolute number of conversions may still decline. Conversely, a higher cost per lead may be justifiable if the quality of the leads improves and this results in significantly more customers.
Leading and Lagging Indicators
When interpreting these figures, a distinction can also be made between leading and lagging indicators.
- Depending on the objective, clicks, leads or engagement, for example, can serve as leading indicators if they provide an indication of future trends
- Lagging indicators, on the other hand, reflect an outcome that only becomes apparent at a later stage, such as turnover, new customers or customer lifetime value
- This classification is not always absolute: a metric can be a lagging indicator for a specific objective and, at the same time, a leading indicator for a subsequent business outcome
Leading and lagging indicators fulfil different functions and can therefore complement one another effectively.
What should a KPI dashboard include?
A KPI dashboard brings together relevant key performance indicators in one central location. The aim should not be to display all available marketing data. A good dashboard focuses on metrics that are actually relevant to the respective decision-making level. For marketing management, for example, costs, leads, new customers and ROMI may be crucial, whilst operational campaign management also requires metrics such as CTR, conversion rate or channel-specific cost indicators.
Consistent definitions are also important. If, for example, the term ‘lead’ is used differently across various systems, comparative reports lose their significance. Consistent calculation methods are therefore a prerequisite for robust KPI reporting.
Common mistakes when using KPIs in marketing
A common mistake is to treat as many metrics as possible as KPIs at the same time. This makes reporting more extensive without necessarily providing any greater clarity. The following are particularly problematic:
Metrics without a clear link to objectives: Impressions, clicks or website visits can provide important information, but on their own they say very little about whether, for example, a revenue or lead target is being met.
Different measurement methods: Particularly in cross-channel marketing, the attribution of conversions and revenue depends on which attribution model is used.
Lack of documentation: A KPI should therefore always be documented alongside its definition, data source and calculation logic.
Marketing KPIs are not isolated truths. They are metrics whose significance depends on the chosen context.
Conclusion: KPIs in marketing provide direction by linking to objectives
Marketing KPIs help to systematically evaluate marketing activities and make progress measurable. However, their significance only becomes apparent when linked to a clearly defined objective. The crucial question is therefore not how many metrics are available, but which metrics actually show whether a desired outcome is being achieved. Conversion rate, CPL, CAC, ROAS and CLV each serve different purposes and should be used in accordance with their specific purpose.
By consistently defining marketing KPIs, viewing them in the right context and linking them to suitable benchmarks, you can establish a more robust basis for reporting and marketing decisions.
Frequently asked questions about KPIs in marketing
In marketing, there are numerous KPIs for different goals and channels. Among the most commonly used are conversion rate, cost per lead, customer acquisition cost, ROAS, ROMI, customer lifetime value, CTR, retention rate, and churn rate.
There is no one-size-fits-all list of the most important marketing KPIs. The metrics that are relevant are those directly linked to the specific business and marketing goals. For lead generation, for example, CPL and the MQL-to-SQL rate may be important, while for performance campaigns, ROAS and conversion rate may be key.
A metric is, by definition, any measurable value. A KPI, on the other hand, is a metric used to evaluate a specific objective. Therefore, the same metric can be a KPI in one company and merely a supplementary metric in another.
There is no set number. What matters is that the selected KPIs cover the key objectives and remain useful for decision-making. A manageable set of relevant metrics is often more helpful than a report containing a large number of metrics presented as equally important.
Appropriate online marketing KPIs depend on the channel and the goal. Typical examples include CTR, conversion rate, cost per lead, customer acquisition cost, and ROAS. For SEO, social media, or email marketing, additional channel-specific metrics apply.
Fixed target values are only useful to a limited extent. A good KPI value depends, among other things, on the industry, business model, margin, channel, target audience, and campaign type. Internal target values, historical trends, and comparables selected using appropriate methodologies are often more meaningful.
