What Is EPC and Why Affiliates Should Care — a comprehensive guide to EPC that will help affiliates improve their results and profitability.
What Is EPC and Why Affiliates Should Care
EPC has long been one of the simplest but most accurate indicators of how effectively affiliate traffic works. It is important for affiliates not only to attract clicks, but also to see the real return on each click, which is why it is worth understanding what EPC is and why this indicator determines the quality of your efforts.
What Is EPC
EPC is the average earnings per click that an affiliate receives from a specific offer or an entire campaign. In affiliate marketing, EPC is used to quickly assess potential profitability, compare offers, select the best traffic sources, and understand which creative or format works most effectively. Simply put, EPC shows how much, on average, a single user who clicks on your promotional link brings in.
Why is this important? Many new affiliates mistakenly focus only on the number of clicks or the percentage of the affiliate program, without thinking about the actual income. But in practice, it is EPC in affiliate marketing that reflects the real value of your work: even a high RevShare percentage can be unprofitable if users do not make deposits or quickly disappear.
To understand the meaning of EPC, it is important to consider its context. The value can be high on low traffic volumes — this does not always guarantee stability. Or vice versa: a moderate EPC on high and stable traffic can give a much better picture of available income. That is why affiliate analytics in 2025 is becoming more complex: not only is the income per click evaluated, but also the conversion to deposit, behavioral factors, GEO quality, and the relevance of the product to the interests of the audience.
EPC also helps determine whether your communication with users is working. For example, if CTR is consistently high but EPC is falling, this signals problems with the relevance of the offer or with the operator’s landing pages. If, on the contrary, low CTR is combined with high EPC, it is worth considering optimizing creatives, as traffic may be valuable but not sufficiently engaged.
Another aspect to consider is comparing EPC between affiliate networks or different offers. Here, it is important to analyze the same periods, the same sources, and the same type of traffic. Only then will EPC give an honest and useful picture. If you don’t do this, you can easily make a mistake by evaluating one offer as “profitable” and another as “weak.”
How EPC Is Calculated
Calculating EPC seems elementary, but it is precisely this simplicity that often misleads affiliates. The formula is based on the ratio of earnings to the number of clicks, but the real interpretation of the indicator is much more complex. To gain useful insights, you need to consider the specifics of the offer, geography, user behavior, and the characteristics of the affiliate model. EPC is not just a “number,” but an indicator of the overall effectiveness of your marketing efforts.
Let’s start with the basic formula: EPC = Total Revenue / Number of Clicks.
But before applying it, it is important to understand what revenue to take into account. In affiliate programs, this can be CPA, RevShare, Hybrid, or a combination thereof. That is why affiliates often get different EPC values even with the same amount of traffic. Before substituting numbers, it is worth assessing which payment models are active in a particular campaign.
To avoid mistakes, pay attention to several critical aspects:
- traffic type: cold, warm, or already partially warmed up;
- click source: SEO, push networks, social networks, or organic reviews;
- offer type: casino, betting, multi-step funnels with deposits;
- conversion cycle length: does the user generate revenue immediately or with a delay.
These factors determine the “quality of the click,” which in turn determines how accurate the EPC will be. Inexperienced affiliates often make the mistake of evaluating offers based solely on the nominal EPC, when in fact it should be compared under the same conditions. For example, if one offer gives $1.5 EPC on traffic with 200 clicks, and another gives $0.9 EPC on 5,000 clicks, the second may be significantly more profitable when scaled.
Auxiliary coefficients are used for a more accurate EPC calculation. Here are some practical approaches:
To clean up the indicator:
- filter out test traffic;
- eliminate bot activity;
- exclude periods of abnormal load;
- compare only specific GEOs.
For a deeper analysis:
- take samples by days or weeks;
- compare EPC with CR (conversion rate);
- look at revenue by source;
- evaluate EPC from new and returning users separately;
take into account seasonality and advertising “peaks” in the gambling niche.
It is also important to correctly interpret the difference between “short-term EPC” and “lifetime EPC.” The former shows the immediate effectiveness of a campaign, while the latter shows how an offer performs in the long term, especially with RevShare. Often, it is the long-term model that brings more — even if the initial EPC looks weaker.
In the end, correctly calculated EPC is not just a mathematical operation, but a strategic analysis tool. It allows you to compare the effectiveness of different channels, identify the most profitable GEOs, predict the outcome of scaling, and track whether your funnel is working as intended.
Why EPC Matters for Affiliates
For most webmasters, EPC has long been a benchmark without which it is impossible to assess the quality of traffic or the effectiveness of a link. Unlike superficial metrics, EPC in affiliate marketing reflects the actual profit generated from each click, so it serves as an indicator of the health of the entire campaign. In highly competitive verticals, such as gambling or betting, it is EPC that shows how stable and promising the user flow is.
In affiliate practice, this value becomes key because it allows you to understand how much traffic is not just active, but commercially valuable. Often, there is a situation where CR is high but EPC is low, which means that the average revenue per conversion is low. Conversely, an average CR but a significant EPC indicates high-quality traffic with a willingness to deposit. That is why experienced partners analyze both metrics together, but make decisions based on EPC, because it shows the real financial effect.
This indicator influences several strategic factors:
- understanding whether it is worth scaling the campaign;
- choosing the optimal affiliate program;
- evaluating the performance of traffic sources;
- determining the long-term sustainability of the relationship.
For a deeper analysis, affiliates often use additional markers:
- EPC dynamics over 7–14 days;
- the relationship between geography and average income;
- changes in audience behavior during peak events;
- the effectiveness of different landing pages and creatives.
All of this helps determine whether a campaign is growing or beginning to decline. If EPC is falling and costs remain constant, then:
- the traffic source is losing quality;
- the offer no longer resonates with the audience;
- competition in the niche has increased;
- the affiliate program has changed its terms and conditions — and this needs to be taken into account.
Sometimes it is useful to supplement the analysis with contextual lists:
- which GEOs provide the highest margins;
- which platforms ensure a stable flow;
- which types of users convert after 2–3 interactions;
- which ad formats provide the best EPC (e.g., push or native).
Thus, EPC becomes not a static number, but a coordinate system that helps to confidently predict profits, determine scaling points, and avoid financial failures. For an affiliate who seeks stability rather than random success, this is the #1 metric.
How to Improve Your EPC
Increasing EPC is not a one-time action, but a multi-layered system where each element affects the bottom line. For affiliates working in complex niches, it is important not so much to increase the number of clicks as to strengthen their financial weight. That is why experienced webmasters start with an in-depth diagnosis of user behavior patterns, analyzing at what stage the audience “warms up” and what motivates them to make a deposit.
In optimization practice, it is worth using a consistent approach with different tools. First, evaluate the performance of traffic sources:
- how stable individual GEOs are;
- which formats show the best EPC;
- whether investments in premium sites are justified;
- what experimental sources provide.
At the same time, analyze the connection and its “weak points”:
- the quality of creatives;
- the relevance of the offer to the audience’s expectations;
- the speed and structure of the landing page;
- the effectiveness of pre-landings in different segments.
Once the basic analysis is complete, more targeted strategies are implemented.

