Recurring report · Quarterly

The AI Citation Index

Which publications, blogs and domains do AI engines actually trust? We measured 100,000 citations to find out.

Nelvo is an AI Visibility Platform. The AI Citation Index maps the source layer of AI answers — the sites AI engines pull into their responses across 50+ industries.

What you get

100,000+ citations analyzed

Across all 5 major AI engines.

Top 100 publications

Ranked by citation frequency and authority.

Per-industry breakdowns

50+ verticals from B2B SaaS to local services.

Owned vs earned ratio

How much of each engine's citations come from brand-owned sources.

New entrants

Up-and-coming publications gaining AI mentions.

Free download

Full PDF with raw data, no paywall.

Frequently asked questions

What is the AI Citation Index?+

A quarterly ranking of the publications, sources and domains AI engines cite most often across 50+ industries.

Why does this matter?+

It reveals which publications carry weight in AI answers — guiding PR, content and partnership strategy for the AI era.

How often is it updated?+

Quarterly, with monthly delta reports for Nelvo Growth and Agency customers.

Download the latest AI Citation Index

Free quarterly research from Nelvo.