Real citation data from live scans across Perplexity, Gemini, Google. 21 sources · 33 citations · updated 2026-06-06
| # | Source | Cited by | Citations |
|---|---|---|---|
| 1 | reddit.com I made a free email validator because existing tools charge too much | PerplexityGoogle | 3 |
| 2 | rejoiner.com Email Validation: How to Keep Your Email List Clean and Safe | PerplexityGeminiGoogle | 3 |
| 3 | youtube.com Build Your Own Email Verifier in 2 Minutes (Free + Unlimited) | PerplexityGoogle | 3 |
| 4 | emailvendorselection.com 10 Best Email Verification Tools in 2026 to Clean Your Email List | PerplexityGemini | 2 |
| 5 | hunter.io Email Verifier: Free email checker to avoid risky email addresses | PerplexityGemini | 2 |
| 6 | maildoso.ai maildoso.ai | GeminiGoogle | 2 |
| 7 | mailtrap.io 11 Best Email Verification Tools in 2026 [Hand Picked] - Mailtrap | PerplexityGemini | 2 |
| 8 | snov.io snov.io | GeminiGoogle | 2 |
| 9 | verifalia.com Free email address validator - Verifalia | PerplexityGoogle | 2 |
| 10 | allegrow.co How to Validate an Email Address: A Layered Guide to Data Integrity | Google | 1 |
| 11 | clearout.io Email Verifier - Free, API & Bulk Email Verification - Clearout | Perplexity | 1 |
| 12 | club.ministryoftesting.com Ways to automate e-mail validation - Archive - The Club | Perplexity | 1 |
| 13 | emailtooltester.com Free Email Verification Tools: 10 Options to Try Out | Perplexity | 1 |
| 14 | kickbox.com Kickbox Email Verifier - Free Email Verification and List ... | Perplexity | 1 |
| 15 | mailmeteor.com mailmeteor.com | Gemini | 1 |
| 16 | quora.com What are the most effective ways to improve email accuracy without ... | Google | 1 |
| 17 | skrapp.io Email Verifier | Free & Accurate Email Checker - Skrapp.io | Perplexity | 1 |
| 18 | stackoverflow.com How do I check if an email address is valid without sending anything ... | Google | 1 |
| 19 | usebouncer.com usebouncer.com | Gemini | 1 |
| 20 | validateeasy.com ValidateEasy — Free Email Validation API, MCP & CLI Tool | Perplexity | 1 |
| 21 | zerobounce.net zerobounce.net | Gemini | 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 AI-engine scans (Perplexity, Gemini, Google). Citation counts reflect how often each source appeared across those scans. ChatGPT is measured separately in paid deep scans.