Real citation data from live scans across Perplexity, Gemini, Google. 27 sources · 42 citations · updated 2026-06-23
| # | Source | Cited by | Citations |
|---|---|---|---|
| 1 | moz.com #6: Google Keyword Planner... | PerplexityGeminiGoogle | 4 |
| 2 | reddit.com Which in your opinion is the most reliable tool for measuring keyword difficulty? | PerplexityGemini | 4 |
| 3 | semrush.com Free Keyword Checker: Check Keyword Difficulty & Competition | PerplexityGeminiGoogle | 4 |
| 4 | ahrefs.com Free Keyword Difficulty Checker - Ahrefs | PerplexityGeminiGoogle | 3 |
| 5 | mangools.com Keyword Difficulty Checker: The Most Accurate KD Tool - Mangools | PerplexityGeminiGoogle | 3 |
| 6 | backlinko.com Free Keyword Difficulty Checker: See Who's Ranking & Why | PerplexityGemini | 2 |
| 7 | canirank.com canirank.com | GeminiGoogle | 2 |
| 8 | community.hubspot.com Best tools for keyword research for SEO newbie - HubSpot Community | Google | 1 |
| 9 | contentgecko.io contentgecko.io | Gemini | 1 |
| 10 | explodingtopics.com explodingtopics.com | Gemini | 1 |
| 11 | facebook.com Which SEO tool has the most accurate keyword search volume? | Google | 1 |
| 12 | gavelgrow.com gavelgrow.com | Gemini | 1 |
| 13 | gizmodo.com gizmodo.com | Gemini | 1 |
| 14 | humanproofdesigns.com Which Keyword Difficulty Checker Is The Most Accurate? | Perplexity | 1 |
| 15 | increv.co increv.co | Gemini | 1 |
| 16 | internetfolks.com 5 Keyword Difficulty Tools (Free + Paid) Compared | Perplexity | 1 |
| 17 | listicler.com SEO Tools With the Most Accurate Keyword Difficulty Scores (2026) | Perplexity | 1 |
| 18 | marketingarsenal.io How To Use Keyword Difficulty Software (& 5 Best KD Tools) | Perplexity | 1 |
| 19 | quora.com What's the most accurate method to measure keyword difficulty? | Google | 1 |
| 20 | searchatlas.com searchatlas.com | Gemini | 1 |
| 21 | seoclarity.net seoclarity.net | Gemini | 1 |
| 22 | seranking.com Free keyword difficulty checker - SE Ranking | Perplexity | 1 |
| 23 | serpstat.com serpstat.com | Gemini | 1 |
| 24 | spyfu.com spyfu.com | Gemini | 1 |
| 25 | wix.com wix.com | Gemini | 1 |
| 26 | xsquareseo.com xsquareseo.com | Gemini | 1 |
| 27 | youtube.com 7 Best Free Keyword Research Tools (With No Limits) - YouTube | Google | 1 |
If AI doesn't cite you for the questions your buyers ask, you're invisible at the moment of choice. Run a free scan to see where you stand — and how to fix it.
Honest by design: this is real data from live AI-engine scans (Perplexity, Gemini and Google, plus ChatGPT, Claude and Grok on paid scans). Citation counts reflect how often each source appeared across those scans.