Plain English definitions for AI visibility and verification.
Sixteen terms you will hear when people talk about AI search, AI governance and proving what is real.
- AI search visibility
- How often and how accurately AI assistants such as ChatGPT, Gemini, Perplexity and Google AI Overviews mention an organization when people ask questions in its field.
- Generative engine optimization (GEO)
- The practice of making a website and its facts easy for AI assistants to read, trust and cite in generated answers.
- Answer engine optimization (AEO)
- Structuring content as direct questions and answers so assistants and search features can lift them whole.
- llms.txt
- A plain text file at the root of a website that tells AI systems what the site is, which pages matter and what facts are true.
- Structured data
- Code using the Schema.org vocabulary that labels facts on a page, such as an organization's name, services, prices and FAQs, so software can read them reliably.
- AI agent
- Software that completes tasks for a person, such as booking an appointment or filling a form, by operating websites on their behalf.
- AI governance policy
- A written set of rules for how staff may use AI tools, which tools are approved, and what data may never be entered.
- Content Credentials
- Signed records attached to images, video and documents using the open C2PA standard, showing who created a file and whether it changed.
- C2PA
- The Coalition for Content Provenance and Authenticity, the open standard behind Content Credentials.
- Verifiable credential
- A digital certificate, license or badge that can be checked cryptographically, so anyone can confirm who issued it and whether it is still valid.
- Open Badges 3.0
- An open standard for digital badges and certificates that aligns with W3C Verifiable Credentials.
- Onchain anchor
- A fingerprint of a document or record written to a public blockchain, proving the record existed by a certain date without publishing the record itself.
- Attestation
- A signed public statement by a named party about a fact, such as a program outcome, that others can verify.
- DMARC
- An email authentication rule that tells receiving servers what to do with messages that falsely claim to come from your domain.
- Lookalike domain
- A web address designed to resemble a real organization's, such as one letter changed, used for phishing and fake websites.
- WCAG 2.2
- The Web Content Accessibility Guidelines, the international standard for making websites usable by people with disabilities.
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