By Brean Wilkinson, Rightlander
Affiliate marketing is a strong performing acquisition channel, bringing together independent publishers, entrepreneurs and media brands. Collectively, they build meaningful content that connects consumers to products and services they need. When brands connect with the right affiliate partners, the results can build meaningful business and success for both sides. However, like any business ecosystem, responsibility and trust needs to be established. That’s why affiliate due diligence matters.
When new publishers apply to join an affiliate program, the focus cannot just be on how much traffic does this affiliate drive. Many other important factors need to be considered when assessing a new affiliate partner. Ultimately, brands and networks are looking for long term affiliate partners that will drive traffic whilst promoting brands in a professional and compliant manner.
Assessing New Affiliate Partners
There are certain signals that advertisers can look for when assessing partners that are surprisingly effective. Some indicators are commonly associated with strong, long-term affiliate partners. Others tend to appear early in partnerships that later turn into compliance issues or low-quality traffic.
Considering these signals helps create a picture of this potential new affiliate partner and goes some way to predicting the success (or failure) of a future relationship.
Each Domain Has A History
One of the first areas to look at is the history of the domain of the publisher. It’s not always the case that a publisher has a single domain, but typically there is a dominant domain in the publisher’s inventory. Looking up the history of a domain requires using tools like Wayback Machine, DomainIQ, SEMRush, and Google. Domain registrar Namecheap have a useful blog article on the steps you can take to better understand the history of a domain.
Long-standing domains with stable ownership tend to be owned by publishers who have spent years building an audience in a particular product or niche. These sites often started with a passion in a certain vertical, e.g. travel, personal finance, fashion, technology, and gradually evolved into trusted sources of information. When this kind of publisher joins an affiliate network, they can deliver good quality results straight away as the audience relationship already exists.
By contrast, domains that have recently been registered or have changed hands several times in their lifetime can indicate a more short-term strategy. These domains might form part of a network that are regularly flipped, which may present more risk for the advertiser.
Neither signal proves anything on its own, but domain history often provides some early clues about the publisher’s focus on either audience building or traffic monetisation.
First Impressions Count
The website that sits on the domain is key to understanding the publishers’ intentions when representing brands.
By spending time examining a publisher’s website, you can usually get a feel for the type of experience they want visitors to have. Some sites clearly prioritise the user experience with straightforward navigation, mobile optimisation, and well chosen colours. These publishers typically understand the behaviour of their visitors and have tailored their site to suit them. They invest in user experience because they want visitors to return. This is so important, as publishers who prioritise the user experience tend to generate traffic that converts more naturally, because the user arrives with intent and trust is established early on.
In stark contrast, sites that act as sales funnels - channelling visitors through content that is heavy on ads, aggressive pop-ups, and a myriad of call-to-action buttons. These pages feel designed to serve a single purpose: to redirect users to money-generating links. Engagement tends to be low, bounce rates are typically high, and conversions are poorer in quality.
It’s not a hard rule, but a well laid out site often reflects a publisher putting their audience first, which is usually a strong predictor of long-term performance.
Depth Beats Volume
Another strong signal appears in the content on the publisher’s website. Many of the most successful publishers have developed into genuine subject-matter experts. They publish detailed reviews, comparison information, tutorials, and long-form analysis that helps readers understand their options before making any purchasing decisions.
This type of content can take time to produce, as the publisher has to perform tests, run comparisons, and do research into the products they are talking about. When visitors trust the information that in front of them, following links becomes a natural extension of the process.
Sites built around poorly prepared content, which may be copied or generated by third party software, generally don’t engage visitors. This content can generate clicks, but the publisher often struggles to build sustained engagement or repeat visitors.
Good quality content stands out very clearly and is a particularly strong indicator of the publisher’s long-term value to the brands they advertise through affiliate partnerships.
How Traffic Behaviour Is an Indicator
Understanding how an affiliate partner sources their traffic is an important consideration for affiliate managers. Highly effective publishers invest significant time and effort in audience development. They build organic search visibility through high-quality content, and invest time in growing newsletter subscribers and social media audiences. These traffic sources tend to be stable because they are built on real relationships with readers, who become part of the website’s community.
Other publishers rely more heavily on paid traffic or more short-term acquisition tactics. These strategies can still be effective, but they require careful monitoring to ensure the traffic remains high quality and compliant with advertisers’ rules.
The Business Behind the Website
A successful affiliate site is typically powered by a real business operation. Some are small independent publishers with a handful of staff. Others are sophisticated digital media companies with multiple offices. But in most cases the strongest partners share a common characteristic: they treat affiliate marketing as a professional activity, rather than an opportunistic money-making venture.
Signs of this professionalism are often simple:
The site lists a business address.
The company is registered.
Contact information is easy to find.
Site terms and privacy policy are clearly labelled and are specific to the website.
These signals matter because affiliate partnerships involve long-term collaboration. Advertisers want to know that the publishers representing their brands operate transparently and responsibly.
Where the Audience Comes From
Another revealing signal is where a publisher’s audience is located. Many successful affiliates have a clear geographic focus that aligns with their content language and editorial perspective. A French language travel blog may naturally attract a large audience from France. A Nordic consumer finance site might primarily serve readers in Scandinavia.
When audience geography matches the publisher’s content and the advertiser’s target market, the results can be long-lasting and higher in quality.
Affiliate Due Diligence: Looking at the Whole Picture
None of these signals should be considered on their own. A newly purchased domain doesn’t automatically indicate risk. A simple website can still host good quality content. But when multiple indicators are considered together, patterns quickly emerge and brands can understand the intentions of that publisher much better.
Publishers who drive good quality leads typically have the following characteristics:
established domains
well laid out websites
engaging content
transparent disclosures
audiences built through genuine engagement
These are the partners that often evolve from affiliates into strategic publishing relationships with advertisers.
Affiliate Due Diligence helps brands identify these publishers and ensure that they are working with brands that will benefit from all their hard work. And when those partnerships are formed, affiliate marketing is a powerful acquisition channel - connecting informed consumers with products they genuinely want, through publishers they trust.
Author summary
This article was contributed by Brean Wilkinson, Regulatory Relations Coordinator at Rightlander. Brean has nearly 20 years experience in affiliate marketing as both a publisher, and representing brands. Rightlander provides affiliate compliance and partner monitoring solutions in multiple verticals.