heise online

heise.deMedia and portals

agma DNA reach ranking #23

Level: 1; Basic web presence
Agent readiness score: 24
AEO score: 17
AI mention rate: 43%

AI engines name the brand in 43.3% of answers, with an AEO score of 17 (ranked 62nd of 79 in the industry). The agent readiness score is at level 1 (Web Basics) with a value of 24, equal to the industry median. The following components are not yet in place: link header, markdown negotiation, llms.txt, content signals, and API catalogue.

The next three steps

1Content Signals
Add a Content-Signal line for search, ai-input and ai-train to robots.txt.
A step toward level 2
2Markdown negotiation
Return a markdown version when asked with Accept: text/markdown, for example at the CDN.
3llms.txt
Publish an llms.txt with a short summary and the key links.

Compared with Media and portals

Agent readiness24
Industry median 24 · rank 19 of 79
AEO score17
Industry median 27 · rank 62 of 79
Mentions in AI answers43
Industry median 27 · rank 10 of 79
Visibility7
Industry median 20 · rank 56 of 79
Citations2
Industry median 2 · rank 31 of 79
Sentiment50
Industry median 68 · rank 58 of 79

Agent readiness level

0Not yet agent-ready
1Basic web presence
2Bot-aware
3Agent-readable
4Agent-integrated
5Agent-native

To reach level 2:

Content Signals

Areas

Discoverability77
Content accessibility0
Bot access control32
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.txtNot met
Publish an llms.txt with a short summary and the key links.
Top sites: 15%

Bot access control

AI bot rulesPartly met
Add explicit robots.txt groups for the main AI crawlers.
Top sites: 99%
Content SignalsNot met
Add a Content-Signal line for search, ai-input and ai-train to robots.txt.
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

GPTBotblocked
ClaudeBotblocked
Anthropic-AIblocked
Google-Extendedblocked
GoogleOtherblocked
Applebot-Extendedblocked
Meta-ExternalAgentblocked
FacebookBotblocked
Bytespiderblocked
CCBotblocked
AI2Botblocked
Cohere-AIblocked
Claude-Webblocked
Omgilibotblocked
Diffbotblocked

OAI-SearchBotblocked
Claude-SearchBotblocked
PerplexityBotblocked
Applebotblocked
Amazonbotblocked
YouBotblocked
Timpibotblocked

Assistant

ChatGPT-Userblocked
Claude-Userblocked
Perplexity-Userblocked
DuckAssistBotblocked
MistralAI-Userblocked

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 24 · coverage 100% · checked on 19/09/2026 · www.heise.de

Mentions per AI engine

AIOpenAI6/15 · 40%
Sentiment: 86% positive, 14% neutral, 0% critical
CClaude8/15 · 53%
Sentiment: 55% positive, 45% neutral, 0% critical
PPerplexity7/15 · 47%
Sentiment: 62% positive, 38% neutral, 0% critical
GGemini5/15 · 33%
Sentiment: 50% positive, 50% neutral, 0% critical

Spotlight: Gemini

33%5 of 15 answers name heise online

„Welche IT-News-Plattformen bieten die umfangreichste Berichterstattung für Technik-Enthusiasten in Deutschland?“

Für Technik-Enthusiasten in Deutschland gibt es mehrere IT-News-Plattformen, die eine umfangreiche Berichterstattung bieten. Zu den bekanntesten und meistbesuchten gehören: Heise Online: Dieses Portal ist eine der meistbesuchten deutschsprachigen IT-Nachrichtenseiten und bietet hochwertigen Input zu Informations- und Telekommunikationstechnik. Es deckt aktuelle Themen der Tech-Szene ab. Golem.de: Golem.de richtet …

AI answer as returned, unverified and shortened.

Gemini names instead

Reddit
Golem.de
BildPLUS
Geizhals.de
Hardwareschotte.de
Billiger.de
Idealo.de
Guenstiger.de

Sources: golem.de, reddit.com, it-daily.net, chip.de, bmftr.bund.de, deloitte.com

Share of voice

Golem.de5.6%
ComputerBase2%
Heise1.3%
CHIP Online0.7%
WinFuture.de0.7%
T3N0%

Most cited sources

1.it-boltwise.de45
2.handelsblatt.com30
3.pcgameshardware.de18
4.heise.de14
5.tagesschau.de13
6.deutschlandfunk.de13
7.shop.heise.de13
8.golem.de12

Own domain's share of all citations: 2.2%

Every question and answer

Question (original German)	AIOpenAI	CClaude	PPerplexity	GGemini
Wie unterscheiden sich Gratis- und Abo-Modelle bei IT-News-Portalen in ihren Leistungen?
Wo findet man neben klassischen IT-Portalen aktuelle Preisvergleiche für Hardware und Software?
Wie kann ein IT-Experte Diskussionen in Online-Foren nutzen, um Fachwissen zu erweitern?
Welche Alternativen gibt es zu deutschen IT-Newsseiten für tagesaktuelle Technologiethemen?
Worin unterscheiden sich deutsche IT-News-Seiten im Angebot von Foren und Community-Funktionen?
Welche IT-News-Plattformen bieten die umfangreichste Berichterstattung für Technik-Enthusiasten in Deutschland?
Wie finde ich fundierte Hintergrundanalysen zu neuen Technologien in deutschen IT-Medien?
Wie schneiden Preisvergleichsportale für Hardware und Software im Funktionsumfang im Vergleich zu reinen IT-Newsportalen ab?
Was sind die besten Informationsquellen für aktuelle Entwicklungen in Computer, IT und Wissenschaft auf Deutsch?
Lohnt sich ein kostenpflichtiges Abo bei einer deutschen IT-News-Plattform für regelmäßige Leser?
Welche Kosten fallen typischerweise für digitale IT-Magazine und Newsletter in Deutschland an?
Warum werden manche IT-News erst verspätet angezeigt oder aktualisiert auf IT-Portalen?
Was tun, wenn der Download von Software über ein deutsches IT-Medienportal nicht funktioniert?
Sind digitale Magazin-Archive für IT und Technik eine sinnvolle Investition?
Welche Medien bieten einen unabhängigen Überblick zu Technik und Wissenschaft auf dem deutschen Markt?

Brand named, positive
Brand named, neutral
Brand named, critical
Only competitors named
Brand not named
No answer

Badge for your website

<a href="https://aeo-audit.rezolve.com/de/heise" title="KI-Check Deutschland 2026: heise online"><img src="https://aeo-audit.rezolve.com/de/badges/heise.svg" alt="Agent Readiness Stufe 1, KI-Check Deutschland 2026" width="260" height="64"></a>

Audit completed on 21 September 2026. Methodology

heise online

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