First-Click Attribution
Definition
An attribution model that gives 100% credit for a conversion to the first marketing touchpoint that introduced the customer to your brand.
What is First-Click Attribution?
First-click attribution assigns all conversion credit to the first channel that brought a visitor to your website. If someone first found you through a Google search, then later clicked a Facebook ad and converted, the Google search gets 100% of the credit.
This model values the initial awareness touchpoint – the channel that introduced customers to your brand in the first place.
When First-Click Makes Sense
First-click attribution is useful when you want to understand:
- Top-of-funnel performance: Which channels are best at generating new audience awareness?
- Discovery patterns: How do people first find you?
- Brand building: Which efforts introduce new customers to your brand?
It's particularly relevant for businesses with long consideration periods where that first touchpoint plants a seed that converts months later.
The Limitations
First-click ignores everything that happens after initial discovery:
- The nurturing emails that built trust
- The retargeting ads that brought them back
- The review site that convinced them
- The final touchpoint that closed the deal
A customer might first find you through a random blog post, then spend months being nurtured by your email marketing. First-click would credit the blog, not the emails.
First-Click vs Last-Click
| First-Click | Last-Click |
|---|---|
| Credits discovery | Credits closing |
| Values awareness channels | Values conversion channels |
| Favours SEO, content, social | Favours remarketing, email, brand search |
When to Use It
Consider first-click attribution for brand awareness campaigns or when evaluating top-of-funnel investments. But use it alongside other models to get the full picture.