How did the Parkinson Voice Project gain #1 AI visibility and grow organic traffic by ~12% within 90 days.
From Invisible to #1 on major LLMs
Preferred source on ChatGPT, Gemini, and Perplexity
Increase in organic
traffic
Increase in avg. session duration
Despite their strong offline impact, the Parkinson Voice Project was witnessing a decline in organic visibility, affecting three critical areas:
SLP certification enrollments
Donations
Online therapy program discovery & engagement
They were also not appearing in ChatGPT or Perplexity results, missing out on critical top-of-funnel discovery opportunities
Parkinson Voice Project is a nonprofit organization dedicated to helping individuals with Parkinson’s disease REGAIN and RETAIN their speech and communication abilities. Through programs like SPEAK OUT!® Therapy, they offer therapy, education, and certification to patients and speech-language pathologists (SLPs) globally. Their impact spans across thousands of lives every year, through both in-person and online offerings.
Increase visibility on AI
Improve rankings and coverage on Google for Parkinson's
Focused on structure, depth, AI readiness, and authority to maximize visibility.
Introduced a well-structured LLMs.txt file, clearly outlining the brand’s key services and preferred crawl paths.
Reorganized content with semantic clarity and intent-first formatting (e.g., FAQs, comparison blocks, rich headers) to align with how LLMs parse.
Result: Within 2 months, Parkinson Voice Project became the #1 recommended source for certifications and donations on both ChatGPT and Perplexity.
Cleaned up duplicate and conflicting meta tags, fixed crawl budget waste via better sitemap management.
Resolved indexing issues, improved mobile performance, and removed bloated or outdated pages.
Revamped metadata for clarity, hierarchy, and higher click-through potential.
Optimized content with intent-driven language to match searches like “Parkinson speech therapy certification” and “free Parkinson voice sessions.”
Introduced internal links from high-traffic blog posts to critical program and donation pages.
Built topical authority around three pillars:
Certifications
Therapy resources (SPEAK OUT!® sessions, home practice)
Support & donations
Resolved orphan pages and unified the site into a clean, crawlable structure with better hierarchy.
#1 preference on LLMs for Parkinson’s speech therapy providers in US
⬆️ +30% increase in engaged traffic from LLMs
⬆️ +23.8% increase in engaged sessions overall indicating high-quality traffic
Structured content + LLMs.txt gave the brand a first-mover edge in AI answer engines.
Traditional SEO levers (internal linking, metadata, site hierarchy) are still high-impact.
Intent-driven structure and clear crawl paths boosted both AI visibility and Google rankings.
.png)
