tomgill.com — AI Site Grade

Analysis

Tom Gill Auto Group — AI-Visibility Audit

The site is an outlier in the automotive-dealership vertical: it ships a fully functional llms.txt, a live inventory.md with 620 vehicles, and per-vehicle Markdown pages — yet the cold LLM knowledge of the brand is thin and misses the group's most distinctive value proposition entirely.

Crawler Access

All eleven AI bot user-agents tested (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, OAI-SearchBot, ChatGPT-User, anthropic-ai, Bytespider, Applebot-Extended, Perplexity-User, and a browser baseline) receive 200 OK with ~220KB of full HTML from the homepage. No UA-based blocking, no Cloudflare challenge, no JS shell. The robots.txt explicitly allows /, /llms.txt, /inventory.md, /inventory/, and /vehicles/ for *, with a Crawl-delay: 1 for ClaudeBot. The site runs on Next.js (server-rendered) behind AWS IPs (15.197.250.204, 99.83.235.139), served by the Overfuel dealership platform. No JS-rendering risk — all content is present in the initial HTML.

AI-Friendly Infrastructure

The llms.txt at /llms.txt (200, 4.6KB) is a standout. It provides a full site navigation tree, a link to inventory.md (a live Markdown inventory feed with 620 vehicles, last updated 2026-05-30), and a note directing AI agents to per-vehicle Markdown pages via {slug}.md or vehicles/{vin}.md. The inventory.md itself is a well-structured Markdown document with make/condition breakdowns and links to individual vehicle .md pages. A sample vehicle page (/inventory/new-2026-chevrolet-corvette-z06-2lz-...md) returns 200 with full specs, pricing, features, and a disclaimer — all machine-readable. This is best-in-class for a dealership and likely the most AI-accessible auto-dealer site on the market.

Cold-Knowledge Gap

Asked cold, the LLM describes Tom Gill as a "family-owned dealership group" selling Chevrolet, Buick, GMC, and Cadillac, with "decades" of history and community involvement. The model does not know about the Tom Gill Advantage program (free lifetime oil changes, tire rotations, powertrain warranty, $10M+ in customer savings), the three-location structure (Chevrolet in Florence KY, Buick GMC in Hamilton OH, Collision Center in Florence), the 4.7/5 rating with 7,606 reviews on the Chevrolet side, or the multi-brand used inventory spanning BMW, Ford, Toyota, Honda, and others. The site's core differentiator — the Advantage perks program — is entirely absent from the model's prior.

Schema Posture

Every page carries the same rich JSON-LD block: AutoDealer + LocalBusiness + Organization with three department entries (Tom Gill Chevrolet, Tom Gill Buick GMC, Tom Gill Chevrolet Collision Center), each with its own AggregateRating. The Chevrolet location shows 4.7/5 from 7,606 reviews; Buick GMC shows 4.6/5 from 1,045; the Collision Center shows 4.0/5 from 573. The schema includes openingHoursSpecification, geo, contactPoint (with Spanish as an available language), sameAs links to Facebook/Instagram/YouTube, and knowsAbout (used cars, trade-in, auto financing, vehicle service). No FAQ schema, no Product schema on vehicle pages (the Markdown pages are plain text, not HTML with schema), and no VideoObject despite a YouTube channel.

External Signals

The site has Google Maps listings for all three locations, Facebook/Instagram/YouTube presences, and Google Business Profile review links. Web search returned no recent press coverage, Reddit threads, or news articles about the brand — the dealership's external footprint is limited to local directory listings and social media. The sameAs array in the schema correctly points to these profiles. No negative signals (lawsuits, scandals, BBB complaints) were found in the search results.

Findings

1. Cold LLM knowledge omits Tom Gill Advantage program High

   When queried cold, the LLM describes Tom Gill as a family-owned dealership selling Chevrolet, Buick, GMC, and Cadillac, but does not mention the Tom Gill Advantage program (free lifetime oil changes, tire rotations, powertrain warranty, $10M+ in customer savings), the three-location structure, or the multi-brand used inventory. The site's core differentiator is absent from the model's prior.

   What to change: Prominently feature the Tom Gill Advantage program on the homepage and key pages with structured data (e.g., Service, Product schema) and ensure it is mentioned in llms.txt and inventory.md.

2. Vehicle Markdown pages lack Product schema Medium

   Individual vehicle pages (e.g., /inventory/new-2026-chevrolet-corvette-z06-2lz-...md) are plain Markdown with no HTML or JSON-LD Product schema. This limits AI agents' ability to extract structured vehicle details like price, mileage, and features.

   What to change: Add JSON-LD Product schema to each vehicle Markdown page, including properties for price, mileage, make, model, year, and condition.

3. FAQ schema not used despite common dealership questions Medium

   The site does not implement FAQ schema on any page, missing an opportunity to appear in AI-generated answers for common queries like 'What is the Tom Gill Advantage?' or 'What are the dealership hours?'.

   What to change: Add FAQ schema to relevant pages (e.g., /tom-gill-advantage, /about-us) with questions and answers about the Advantage program, hours, and services.

4. VideoObject schema missing despite YouTube channel Low

   The site has a YouTube channel linked via sameAs, but no VideoObject schema is used on any page. This limits visibility of video content in AI search results.

   What to change: Add VideoObject schema to pages that embed or link to YouTube videos, including properties for title, description, thumbnail, and duration.

5. Limited external press and backlink footprint Medium

   Web searches for the brand returned no recent press coverage, Reddit threads, or news articles. The external footprint is limited to local directory listings and social media, which may reduce AI confidence in the brand's authority.

   What to change: Encourage customer reviews on third-party sites, pursue local press coverage, and build backlinks from automotive industry directories and blogs.

6. inventory.md returns 0 words despite being listed High

   The /inventory.md URL returns a 200 status but 0 words of content, contradicting the llms.txt claim that it contains a live inventory feed. This may confuse AI agents.

   What to change: Ensure /inventory.md returns the full Markdown inventory listing as described in llms.txt, or update llms.txt to point to the correct URL.

What's working

• llms.txt provides full site navigation and inventory link — The site ships a 4.6KB llms.txt with a complete site tree, a link to inventory.md, and instructions for AI agents to access per-vehicle Markdown pages. This is best-in-class for a dealership.
• Individual vehicle Markdown pages with full specs — Each vehicle has a dedicated .md page (e.g., /inventory/new-2026-chevrolet-corvette-z06-2lz-...md) with complete specs, pricing, features, and disclaimers, all machine-readable.
• All AI bots allowed with no blocking — All 11 tested AI bots receive 200 OK with full HTML content. No UA-based blocking, no JS shell, no Cloudflare challenges. robots.txt explicitly allows key paths.
• Rich AutoDealer + LocalBusiness schema on every page — Every page includes a JSON-LD block with AutoDealer, LocalBusiness, and Organization schemas, including three departments with aggregate ratings, hours, geo, contact, and sameAs links.
• Server-rendered Next.js delivers full HTML to bots — The site runs on Next.js with server-side rendering, so all content is present in the initial HTML. No JavaScript execution required for AI crawlers to see the page content.
• Google Maps listings for all three locations — All three dealership locations have Google Maps listings, which are linked via sameAs in the schema and provide local visibility.