Dark Social: The Marketing Channel You Can’t Track but Shouldn’t Ignore Dark Social: The Marketing Channel You Can’t Track but Shouldn’t Ignore

In today’s digital landscape, a large amount of online sharing happens in places traditional tracking tools can’t reach, such as private messaging apps, DMs, and collaboration platforms. This hidden area is known as dark social. Dark social plays a key role in how audiences discover and engage with brands, and ignoring it could mean missing out on crucial touchpoints that influence decision-making early in the buying journey.

What is Dark Social?

Dark social refers to content shared privately through channels like Instagram, Messenger, Slack, WhatsApp, and email. When someone copies and pastes a link to share it in a private chat, that traffic is often labelled “direct” in analytics platforms, even though it originated from a peer recommendation or conversation.

These private shares lack the referral data needed for accurate tracking, making it difficult to see the full picture of your content’s reach and influence. As private communication becomes the norm, especially on mobile devices, dark social is responsible for a growing portion of website traffic

It’s also worth noting that dark social is not limited to consumers. In B2B environments, professionals often share content with colleagues via internal messaging tools like Microsoft Teams or Slack. These interactions, though untraceable, are highly influential.

How It Affects Attribution and Customer Journeys

Dark social poses major challenges to attribution models. Traditional methods aim to track which marketing channels contribute to conversions. But when links are shared privately, the source of that traffic is lost, often defaulting to “direct”.

This can skew performance data. For example, a user might learn about a brand in a private group chat, click a shared link, and make a purchase. That conversion may be wrongly attributed to organic search or marked as direct traffic, leading businesses to misjudge which channels are driving results.

Moreover, dark social reflects how real people behave, seeking trusted recommendations from peers in private settings. It plays a crucial role in shaping purchasing decisions, even if it’s invisible to standard analytics. This missing data can have long-term consequences on how marketing budgets are allocated, and which content strategies are prioritised.

Strategies for Adapting to Dark Social

While you can’t fully track dark social, there are ways to adapt and gain better insights:

  1. Use UTM Parameters: Add custom UTM codes to links in newsletters, social media, and downloadable resources. If those links are shared privately, the tags can help you identify them later.
  2. Analyse Direct Traffic: Break down your direct traffic by landing page and user behaviour. If a spike in traffic to a blog post or product page appears without a clear source, it may be from dark social.
  3. Ask Your Audience: Simple feedback tools like post-purchase surveys can uncover where users actually heard about your brand, giving you insights beyond what analytics alone can show.
  4. Explore New Tools: Some analytics platforms now offer better tracking for shared links, helping you approximate the volume and nature of private sharing without breaching privacy standards.
  5. Monitor Brand Mentions: Use social listening tools to track where your brand is being talked about publicly, which can help indicate where private conversations may be extending those discussions behind the scenes.

Creating Content for Private Sharing

Rather than trying to track every interaction, focus on creating content that people want to share privately. The most shared content in dark social spaces is useful, relevant, and easy to consume.

  1. Create Shareable Formats: Infographics, short videos, and bite-sized explainers are perfect for messaging apps and DMs.
  2. Provide Practical Value: Tools like calculators, templates, or guides are often passed around in professional and interest-based groups.
  3. Tap into Emotions and Stories: Personal stories or relatable experiences resonate in private conversations, especially in group chats or forums.
  4. Facilitate Sharing: Add one-click sharing buttons to content and use branded short links that are easier to copy and paste.
  5. Optimise for Mobile: Since most dark social sharing occurs on mobile devices, ensure your content loads quickly and displays well on smaller screens. A poor mobile experience can disrupt sharing and reduce engagement.

Creating content that naturally fits into the flow of private conversations – whether among friends, colleagues, or peer groups – can increase reach and build trust with audiences you might otherwise miss.

Seeing the Value in What You Can’t Track

Dark social represents a significant, yet largely invisible, part of the customer journey. As more interactions shift to private and encrypted channels, the influence of dark social will only increase, and while it challenges conventional tracking methods, it offers a more authentic, trusted pathway for brand discovery.

Businesses who adjust their strategies by using smarter tracking, gathering audience insights, and producing content designed for private sharing, can turn this hidden traffic into a strategic advantage. Embracing dark social is about understanding how people connect and influence each other, and it’s a reminder that behind every click is a conversation, and many of those conversations are happening out of sight.