To measure influencer contribution without relying on promo codes, companies utilize several practical approaches:

1. Click-Through Rates (CTR): This is an essential quantitative measure that helps businesses understand the rate at which viewers of an influencer’s content click on the embedded links directed towards the company’s products or services.

2. Direct Traffic: By analyzing web analytics, a company can determine if a surge in direct traffic correlates with the timing of influencer posts. This data can provide insight into the influencer’s impact.

3. Social Engagement: Monitoring changes in social media engagement, including likes, shares, comments, and new followers, post an influencer campaign can help measure the influencer’s contribution.

4. Buzz & Sentiment Analysis: Using sentiment analytics tools, companies can assess the tone of discussions around their brands after influencer collaborations.

5. Sales Lift Studies: Sometimes brands may conduct sales lift studies to compare sales before and after an influencer campaign to ascertain the influencer’s contribution.

Each method has its strengths and limitations, and your selection should depend on your marketing goals. For instance, if you’re interested in broadening brand awareness, focusing on social media engagement and buzz & sentiment analysis could be beneficial. If direct sales growth is your objective, CTR and sales lift studies might be more appropriate.

On platforms like [Flinque](https://www.flinque.com), you can get a mix of these metrics consolidated under one comprehensive dashboard, which can offer more holistic insights into influencer contributions.