# SpyFu

SpyFu is a competitor research tool for SEO and Google Ads. It shows the keywords competitors rank for and buy, the ads they have tested, and their ranking and ad history. It also offers an AI-powered site audit, a ChatGPT integration and the RivalFlow content-gap tool.

Page: https://slateindex.ai/brand/spyfu · data of 2026-11-02

## Facts

- Founded: 2005
- Headquarters: Scottsdale, Arizona, United States
- Employees: 11–50
- Company type: Private, bootstrapped
- Latest funding: Other Investors (latest listed round)
- Deployment: Runs on dedicated bare-metal servers from phoenixNAP
- Best for: Marketers and agencies doing competitor SEO and Google Ads research

## Products

- SpyFu: Competitor keyword, ad and backlink research for SEO and Google Ads
- Site Audit: Scans a site for 100+ technical and on-page issues and generates AI fixes for review
- SpyFu GPT: ChatGPT-integrated SEO tool that answers competitive questions from SpyFu data
- RivalFlow: Content-gap tool that finds differences between your pages and the pages outranking them and suggests copy

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| SEO Tools | 27 of 58 | 2.0 | 6 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 3.1 | 11.1% |
| google_ai_mode | 1.1 | 3.7% |
| perplexity | 1.9 | 7.4% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “SpyFu AI visibility profile”, https://slateindex.ai/brand/spyfu, data of 2026-11-02. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).