First Party Data
Data collected directly by your site rather than purchased or scraped.
Key takeaways
- First Party Data is data collected directly by your site rather than purchased or scraped.
- Collect data as part of normal work, with consent where people are involved.
- Avoid: publishing results without saying how they were gathered.
What is First Party Data?
First party data (case studies, internal benchmarks, original surveys) is one of the strongest EEAT and AEO signals. It is hard to fake and hard to replicate.
Why First Party Data matters for EEAT in 2026
Data you gather yourself, from client results, surveys or your own testing, is unique to you. It gives others a reason to cite you and engines something original to quote.
For a wider view of where this fits, see our full EEAT glossary or explore the Strategy and Audits service we run for clients.
How to apply First Party Data on your site
Knowing the concept is only half of it. Work through these steps in order to put First Party Data into practice on your own pages:
- Collect data as part of normal work, with consent where people are involved.
- Publish your method, sample size and dates alongside the findings.
- Update the data periodically so it stays citable.
Common mistakes to avoid
Most sites that struggle with First Party Data fall into the same traps. Check your pages against each of these before moving on:
- Publishing results without saying how they were gathered.
- Presenting a handful of cases as a statistical study.
- Inventing or inflating numbers.
Questions about First Party Data
Data collected directly by your site rather than purchased or scraped.
Data you gather yourself, from client results, surveys or your own testing, is unique to you. It gives others a reason to cite you and engines something original to quote.
Start here: collect data as part of normal work, with consent where people are involved. Then publish your method, sample size and dates alongside the findings.
The most common is publishing results without saying how they were gathered. Another is presenting a handful of cases as a statistical study.