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Heidelberg Materials

heidelbergmaterials.comIndustry, chemicals and energy
DAX 40
Level
2
Bot-aware
Agent readiness score
43
AEO score
56
AI mention rate
2%

Heidelberg Materials ranks 1st of 13 in its industry with an AEO score of 56; AI engines name the brand in 1.7% of answers, with Gemini doing so in 6.7% and often listing alternatives such as WU-Beton, Transportbeton, and Flugasche. The agent readiness score is 43 at level 2, above the industry median of 24. The following components are not yet in place: Link-Header, Markdown negotiation, API catalogue, OAuth discovery, and OAuth Protected Resource.

The next three steps
  1. 1Markdown negotiation

    Return a markdown version when asked with Accept: text/markdown, for example at the CDN.

    A step toward level 3

  2. 2MCP Server Card

    Offer an MCP server and publish its server card under /.well-known.

  3. 3Link headers

    Send Link headers such as rel="api-catalog" or rel="describedby" on the homepage.

Compared with Industry, chemicals and energy
  • Agent readiness43
    Industry median 24 · rank 2 of 13
  • AEO score56
    Industry median 28 · rank 1 of 13
  • Mentions in AI answers2
    Industry median 2 · rank 7 of 13
  • Visibility100
    Industry median 30 · rank 1 of 13
  • Citations1
    Industry median 1 · rank 4 of 13
  • Sentiment50
    Industry median 50 · rank 7 of 13
Agent readiness level
  1. 0
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
To reach level 3:
  • Markdown negotiation
Areas
  • Discoverability77
  • Content accessibility50
  • Bot access control68
  • APIs, auth and MCP0
Every check
Discoverability
  • robots.txtPassed

    A valid robots.txt with crawl rules at the site root.

    Top sites: 98%
  • SitemapPassed

    An XML sitemap listing the pages, ideally referenced from robots.txt.

    Top sites: 88%
  • Link headersNot met

    Send Link headers such as rel="api-catalog" or rel="describedby" on the homepage.

    Top sites: 0%
  • DNS for AI DiscoveryNot present

    Advertise agent endpoints with SVCB records under _agents.

    Top sites: 5%
Content accessibility
  • Markdown negotiationNot met

    Return a markdown version when asked with Accept: text/markdown, for example at the CDN.

    Top sites: 2%
  • llms.txtPassed

    An llms.txt that tells language models what the site offers.

    Top sites: 15%
Bot access control
  • AI bot rulesPartly met

    Add explicit robots.txt groups for the main AI crawlers.

    Top sites: 99%
  • Content SignalsPassed

    Content-Signal lines in robots.txt declaring search, AI input and AI training preferences.

    Top sites: 2%
  • Web Bot AuthNot present

    Only relevant if you run your own agents or crawlers: publish a signing key directory.

    Top sites: 0%
APIs, auth and MCP
  • API CatalogNot met

    List public APIs in a linkset at /.well-known/api-catalog.

    Top sites: 0%
  • OAuth discoveryNot met

    Publish OpenID Connect or OAuth server metadata under /.well-known.

    Top sites: 1%
  • OAuth Protected ResourceNot met

    Serve protected resource metadata at /.well-known/oauth-protected-resource.

    Top sites: 1%
  • auth.mdNot met

    Publish an auth.md describing how agents sign in.

    Top sites: 0%
  • MCP Server CardNot met

    Offer an MCP server and publish its server card under /.well-known.

    Top sites: 0%
  • A2A Agent CardNot met

    Publish an agent card at /.well-known/agent-card.json.

    Top sites: 0%
  • Agent SkillsNot met

    Publish a skills index with the main tasks agents can do.

    Top sites: 0%
  • WebMCPNot met

    Register key actions such as search or cart as WebMCP tools.

    Top sites: 1%
  • ARD manifestNot met

    Publish an ai-catalog.json listing every agent interface.

    Top sites: 0%
AI crawler rules (robots.txt)
Training
  • GPTBotallowed
  • ClaudeBotallowed
  • Anthropic-AIallowed
  • Google-Extendedallowed
  • GoogleOtherallowed
  • Applebot-Extendedallowed
  • Meta-ExternalAgentallowed
  • FacebookBotallowed
  • Bytespiderallowed
  • CCBotallowed
  • AI2Botallowed
  • Cohere-AIallowed
  • Claude-Weballowed
  • Omgilibotallowed
  • Diffbotallowed
Search
  • OAI-SearchBotallowed
  • Claude-SearchBotallowed
  • PerplexityBotallowed
  • Applebotallowed
  • Amazonbotallowed
  • YouBotallowed
  • Timpibotallowed
Assistant
  • ChatGPT-Userallowed
  • Claude-Userallowed
  • Perplexity-Userallowed
  • DuckAssistBotallowed
  • MistralAI-Userallowed
Agentic commerce
  • x402Not present
  • MPPNot present
  • UCPNot present
  • ACPNot present
  • AP2Not present

Protocols that let AI agents shop and pay by themselves. They don't count toward the level.

Agent readiness score 43 · coverage 100% · checked on 19/09/2026 · www.heidelbergmaterials.com

Mentions per AI engine
  • AIOpenAI0/15 · 0%
  • CClaude0/15 · 0%
  • PPerplexity0/15 · 0%
  • GGemini1/15 · 7%
    Sentiment: 0% positive, 100% neutral, 0% critical
Spotlight: Gemini
7%1 of 15 answers name Heidelberg Materials
„Welche Zuschlagstoffe werden für den Straßenbau in Deutschland am häufigsten verwendet?“
Im deutschen Straßenbau werden als Zuschlagstoffe (fachlich meist Gesteinskörnungen genannt) vor allem natürliche und industriell aufbereitete Materialien eingesetzt. Sie machen den Hauptanteil von Asphalt- und Betondecken sowie von Tragschichten aus. Die am häufigsten verwendeten Zuschlagstoffe lassen sich wie folgt unterteilen: 1. Natürliche Gesteinskörnungen (Primärrohstoffe)Heidelberg MaterialsHeidelberg …

AI answer as returned, unverified and shortened.

Gemini names instead
  • WU-Beton
  • Transportbeton
  • Flugasche
  • RC-Beton
  • Biotec-Verfahren
  • DAfStb-Richtlinie
  • DIN EN 197-1
  • CEM II/A-S
Sources: blog.bluebeam.com, ibau.de, oekolandbau.de, gabot.de, tsn-beton.de, betontankstelle-kern-rennertshofen.de
Share of voice
  • Heidelberg Materials100%
  • Schwenk Zement0%
  • Dyckerhoff GmbH0%
  • CEMEX Deutschland0%
  • Holcim Deutschland0%
  • Lafarge Deutschland0%
Most cited sources
  1. 1.wlw.de19
  2. 2.baunetzwissen.de8
  3. 3.de.wikipedia.org7
  4. 4.holcim.de7
  5. 5.umweltbundesamt.de6
  6. 6.bauhandwerk.de5
  7. 7.ernenputsch-transporte.de5
  8. 8.heidelbergmaterials.de5

Own domain's share of all citations: 0.8%

Every question and answer
Question (original German)AIOpenAICClaudePPerplexityGGemini
Wie geht man mit Verfärbungen bei fertigen Betonoberflächen am besten um?
Welcher Zementtyp wird für wasserbeständige Fundamentkonstruktionen empfohlen?
Welche Ersatzmaterialien zu natürlichen Zuschlagstoffen sind besonders gefragt?
Wie setzt sich der Preis für Transportbeton im deutschen Markt zusammen?
Was kann Ursache für Rissbildung bei Estrich aus Transportbeton sein?
Gibt es regionale Preisunterschiede bei Zuschlagstoffen in Deutschland?
Welche umweltfreundlichen Alternativen zu klassischem Zement gibt es für Bauprojekte?
Lohnt sich der Einsatz von zertifizierten Recycling-Bau­stoffen im Vergleich zu herkömmlichen Materialien?
Transportbeton vs. Ortbeton: Wo liegen die größten Unterschiede bei Verarbeitung und Einsatzmöglichkeiten?
Ist hochwertiger Zement für private Bauvorhaben sein Geld wert?
Was sind die wichtigsten Vorteile von Transportbeton für große Infrastrukturprojekte?
Wie unterscheiden sich Zement und Kalk als Bindemittel im Hochbau?
Welche Zuschlagstoffe werden für den Straßenbau in Deutschland am häufigsten verwendet?
Welche Zuschlagstoffe eignen sich am besten für nachhaltige Bauprojekte?
Welche Optionen gibt es, wenn kein Transportbeton verfügbar ist?
  • Brand named, positive
  • Brand named, neutral
  • Brand named, critical
  • Only competitors named
  • Brand not named
  • No answer
Badge for your website
Agent Readiness Stufe 2, KI-Check Deutschland 2026
<a href="https://aeo-audit.rezolve.com/de/heidelberg-materials" title="KI-Check Deutschland 2026: Heidelberg Materials"><img src="https://aeo-audit.rezolve.com/de/badges/heidelberg-materials.svg" alt="Agent Readiness Stufe 2, KI-Check Deutschland 2026" width="260" height="64"></a>

Audit completed on 19 September 2026. Methodology

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