Top cited domains in the live index | Trakkr Research
Current head domains in Trakkr’s live public citation graph.
Methodology: Built from the live citation index backing Trakkr Research, using 8,777,687 citations across 208,567 unique domains observed between October 3, 2025 and April 17, 2026.
Summary
The head of the citation graph is dominated by cross-category authorities such as Wikipedia, YouTube, Reddit, and major editorial or review sites.
Benchmark rows
| Metric | Value | Context |
|---|---|---|
| Wikipedia share | 6.43% | en.wikipedia.org alone accounts for 564,191 citations. |
| Citations analyzed | 8.78M | Current live citation index as of April 17, 2026. |
| Unique domains | 208,567 | The citation surface is broad even though a small set dominates. |
Ranked view
| Item | Value | Detail |
|---|---|---|
| en.wikipedia.org | 6.43% | The current top cited domain in the public citation index. |
| youtube.com | 2.10% | The leading creator platform in the citation layer. |
| reddit.com | 0.79% | Strong community evidence source, especially for opinionated queries. |
| techradar.com | 0.48% | A recurring editorial tech source. |
| forbes.com | 0.48% | A large editorial business source with broad category reach. |
Related pages
Continue through the same study cluster.
- how concentrated is the ai citation landscape - Related answer page
- does ai rely more on reference sites than the open web - Related answer page
- the citation graph spans more than two hundred thousand domains - Related fact page
Data & Sources
- Where AI Gets Its Answers - Flagship study behind this page
- Page JSON - Machine-readable companion file