
- Visibility0
- Citations1
- Sentiment50
- Site quality87
- AI readiness7
AI assistants do not name Marathon Petroleum in any of their 60 answers about the Energy sector. Its overall score is 26 out of 100, ranking 1,742nd of 2,047 companies in the study. The company's website passes 1 of 14 technical checks for readiness for AI tools.
We asked 15 unbranded questions about the energy market: none named Marathon Petroleum. AI assistants named it in none of 60 answers. The typical energy company is named in 3.3% of answers. By how often it is named, Marathon Petroleum ranks 74 of 109 in its sector.
Named fewer than three times in total. Read this as a sign that AI assistants rarely bring this company up, not as an exact comparison with its rivals.
Every dot is a company in the study. Hover one to see it; click to open its report.
This companySame sectorEvery other companyNever named
Five parts, each scored out of 100.
How often AI assistants name the company
How often AI uses the company's own website as a source
How positively AI describes the company
How well built the website's own pages are
How easily AI tools can read and use the website
Visibility is calculated from the answers on this page. How the score is built.
109 companies in this sector. The line on each bar is the typical company.
The company is not named in this answer
“Is investing in U.S.-based petroleum refining operations a good decision for long-term energy security?”
Short answer: maybe — but it depends on which part of the refining value chain you buy, your time horizon, your risk tolerance, and how you price regulatory and energy‑transition risks. Refining remains strategically important for U.S. energy security and can be profitable, but the sector faces structural decline in capacity, regulatory/transition risks, and volatile margins. Below are the key points to help you decide and a practical due‑diligence checklist.
Why refining matters for long‑term energy security
Refineries produce the liquid fuels (gasoline, diesel, jet fuel) and petrochemical …
The AI’s answer as we received it, shortened and not checked for accuracy.
How the mentions in these answers were split between this company and its rivals
Answers naming it, out of answers received
What this website publishes for an AI agent to read, use and buy from, on a scale of six levels.
- 0
- 1
- 2
- 3
- 4
- 5
Level 1: Basic web presence. Two of robots.txt, a sitemap and Link headers are in place.
- Content Signals
The website turns away requests that do not come from a browser. AI agents that say what they are meet the same refusal.
Show every check, for your technical teamHide the checks
- study: 92.0%robots.txtPassed
A valid robots.txt with crawl rules at the site root.
- study: 86.8%SitemapPartly met
Serve an XML sitemap and reference it from robots.txt.
- study: 0.3%Link headersNot met
Send Link headers such as rel="api-catalog" or rel="describedby" on the homepage.
- study: 5.5%DNS for AI DiscoveryNot present
Advertise agent endpoints with SVCB records under _agents.
- study: 1.9%Markdown negotiationNot met
Return a markdown version when asked with Accept: text/markdown, for example at the CDN.
- study: 25.1%llms.txtNot met
Publish an llms.txt with a short summary and the key links.
- study: 93.4%AI bot rulesPartly met
Add explicit robots.txt groups for the main AI crawlers.
- study: 1.4%Content SignalsNot met
Add a Content-Signal line for search, ai-input and ai-train to robots.txt.
- study: 0.2%Web Bot AuthNot present
Only relevant if you run your own agents or crawlers: publish a signing key directory.
- study: 0.3%API CatalogNot met
List public APIs in a linkset at /.well-known/api-catalog.
- study: 11.8%OAuth discoveryNot met
Publish OpenID Connect or OAuth server metadata under /.well-known.
- study: 10.3%OAuth Protected ResourceNot met
Serve protected resource metadata at /.well-known/oauth-protected-resource.
- study: 0.0%auth.mdNot met
Publish an auth.md describing how agents sign in.
- study: 0.2%MCP Server CardNot met
Offer an MCP server and publish its server card under /.well-known.
- study: 0.1%A2A Agent CardNot met
Publish an agent card at /.well-known/agent-card.json.
- study: 0.2%Agent SkillsNot met
Publish a skills index with the main tasks agents can do.
- study: 33.7%WebMCPNot met
Register key actions such as search or cart as WebMCP tools.
- study: 0.1%ARD manifestNot met
Publish an ai-catalog.json listing every agent interface.
Score 23 of 100 · 100% of checks could run · checked on October 4, 2026 · www.marathonpetroleum.com · 2,047 companies scanned
1 of 14 passed. This list is for your technical team. The percentage is how many companies in the study pass each check.
These 14 checks ran during the audit and are what the AI readiness part of the overall score counts. The scan above ran later and is stricter on Link headers and Markdown, so a check can pass here and not there.
Show the 14 checksHide them
- Not metrobots.txt publishedstudy: 85.0%
- Not metXML sitemapstudy: 73.2%
- Not metHTTP Link headers (RFC 8288)study: 29.0%
- Not metMarkdown content negotiationstudy: 8.3%
- Not metllms.txt publishedstudy: 21.7%
- PassedToken budget (page weight)study: 95.2%
- Not metExplicit AI bot rulesstudy: 13.0%
- Not metAPI Catalog (.well-known/api-catalog)study: 0.2%
- Not metOAuth Authorization Server discoverystudy: 10.1%
- Not metOAuth Protected Resource discoverystudy: 9.3%
- Not metMCP Server Cardstudy: 0.0%
- Not metA2A Agent Cardstudy: 0.0%
- Not metWebMCP toolsstudy: 4.2%
- Not metAgent Skills declaredstudy: 0.0%
How many times each website was listed as a source in these answers
In the study as S&P 500.
- What are alternative energy sources for organizations looking to reduce dependence on conventional petroleum?
- How can refineries address sustainability challenges in their operations?
- What factors influence the price volatility of refined petroleum products in the U.S. market?
- What are the pros and cons of working with regional vs national petroleum distributors for bulk fuel supply?
- Best energy solutions for companies adopting digital transformation in the refining sector?
- What sustainability initiatives should energy buyers look for in a petroleum refining partner?
- How can digital transformation improve efficiency in petroleum refining?
- What are common applications of renewable fuels in commercial energy solutions?
- Is investing in U.S.-based petroleum refining operations a good decision for long-term energy security?
- Are integrated refining and distribution services worth the premium for large-scale commercial buyers?
- What should energy buyers do if there are disruptions in petroleum product supply?
- How do renewable fuels compare to traditional petroleum products in terms of performance and sustainability?
- How are wholesale petroleum products typically priced for large volume customers in the U.S.?
- Best options for commercial fleets seeking alternatives to diesel and gasoline?
- What are the top factors to consider when choosing a petroleum refining partner for large commercial operations?
Columns, left to right: OpenAI, Claude, Perplexity, Gemini. The AI assistants often disagree. Across the study, on 40% of the questions where a company is named, only one of the four names it.