On-Page AI SEO, GEO & AEO Checklist Guide
Your On-Page AI SEO, GEO & AEO Checklist
Search has changed. It’s not just Google anymore — people are getting answers from ChatGPT, Gemini, and Google’s AI Overviews too. That means your pages need to do three things well: rank on Google (on-page SEO), get cited by AI tools (GEO), and show up as the answer to direct questions (AEO). This checklist walks you through all three, step by step.
What this checklist covers:
- Title tag — put your main keyword near the front, keep it under 60 characters, and make it worth clicking
- Meta description — 150–160 characters that tell people exactly what they’ll get on the page
- URL slug — short, clean, and keyword-rich (no random numbers or stop words)
- Heading structure (H1–H3) — one H1 per page, then use H2s and H3s to organize your content logically
- Content — covers the topic fully, uses your main keyword naturally, and includes related terms
- Internal links — connect this page to your other relevant content so Google (and readers) can follow the thread
- Images — descriptive file names, alt text with keywords, and compressed so the page loads fast
- GEO: Write in plain, direct sentences — AI tools prefer content that gets to the point quickly
- GEO: Use your own methodology or framework — named processes and original approaches are more likely to be cited by AI
- GEO: Back up your points with data or examples — AI tools favour content with verifiable facts
- GEO: Build topic clusters — a pillar page linked to supporting articles tells AI (and Google) you’re the authority on this subject
- GEO: Add structured data (schema markup) — it helps AI understand what type of content you’re publishing
- AEO: Include an FAQ section — directly answer the questions your audience is actually typing into search
- AEO: Add FAQPage schema — marks up your Q&A so Google, ChatGPT, and Gemini can pull it as a direct answer
- AEO: Use People Also Ask (PAA) questions as headings — match the exact phrasing Google shows in PAA boxes
- AEO: Keep answers short and direct (40–60 words) — that’s the sweet spot for featured snippets and AI Overviews
- AEO: Open sections with a definition — starting with “X is…” makes it easy for AI to pull your content as the answer
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Search has changed. It’s not just Google anymore — people are getting answers from ChatGPT, Gemini, Perplexity, and Google’s AI Overviews too. That means your pages need to do three things well: rank on Google (on-page SEO), get cited by AI tools (GEO), and show up as the direct answer to questions (AEO).
The good news? When you do on-page SEO well, you’re already laying the groundwork for GEO and AEO. This guide walks you through all three — what they mean, why they matter, and exactly what to do. The full checklist is below, and you can grab the PDF version at the bottom.
What Is On-Page AI SEO?
On-page SEO is everything you do on your own website to help Google understand and rank your pages. It’s been around for years — but in 2026, it also means writing in a way that Google’s AI-powered ranking systems can clearly understand.
Think of it this way: Google used to match keywords. Now it understands meaning. That means your content needs to be clear, well-structured, and genuinely helpful — not just stuffed with the right words.
Why it matters in 2026:
Google’s AI systems now evaluate whether a page actually helps the person searching. Thin, keyword-stuffed pages get filtered out. Pages that are clear, comprehensive, and structured well get rewarded — and are more likely to appear in AI Overviews too.
What Is GEO (Generative Engine Optimization)?
GEO is about making your content the kind that AI tools like ChatGPT, Google Gemini, and Perplexity want to reference when someone asks a question. Getting cited by an AI tool is the new version of ranking on page one.
The SDM GEO principle:
AI tools favour content that sounds like it was written by someone who actually knows what they’re talking about. Named frameworks, original data, specific examples, and content that goes deeper than a surface-level overview. Generic content gets ignored. Authoritative content gets cited.
What Is AEO (Answer Engine Optimization)?
AEO is about structuring your content so it shows up as the answer — not just a result. Featured snippets, People Also Ask boxes, voice search results, and AI Overview citations.
AEO in plain English:
When someone types a question into Google or asks Siri, Alexa, or ChatGPT — AEO is what gets your content read out loud or shown as the top answer. It’s not about ranking #1 for a keyword. It’s about being the most direct, trustworthy answer to a specific question.
The Complete On-Page AI SEO, GEO & AEO Checklist
Use this checklist every time you publish or update a page. Work through all three sections — they build on each other.
On-Page AI SEO — 7 Essentials
| ☐ | Title tag Put your main keyword near the front. Keep it under 60 characters. Make it worth clicking. |
| ☐ | Meta description 150–160 characters. Tell people exactly what they’ll get on the page. Include your keyword naturally. |
| ☐ | URL slug Short, clean, keyword-rich. No random numbers or dates. Example: /on-page-seo-checklist |
| ☐ | Heading structure (H1–H3) One H1 per page. Use H2s for major sections and H3s for subsections. Google and AI tools use your headings to understand page structure. |
| ☐ | Content quality and depth Cover the topic fully. Use your main keyword naturally. Answer the questions people are actually asking about this topic. |
| ☐ | Internal links Link to your other relevant pages with descriptive anchor text. Helps Google understand your site structure. |
| ☐ | Images Descriptive file names and alt text. Compress images so the page loads fast. |
GEO (Generative Engine Optimization) — 5 Steps to Get Cited by AI
| ☐ | Write in plain, direct sentences AI tools prefer content that gets to the point quickly. Avoid jargon and filler. |
| ☐ | Use your own methodology or framework Named processes are more likely to be cited by AI. If you have a way of doing things — name it, explain it, and own it. |
| ☐ | Back up your points with data or examples AI tools favour content with verifiable facts. Include stats, case study results, or specific numbers. |
| ☐ | Build topic clusters A pillar page linked to supporting articles tells AI you’re the authority on this subject. |
| ☐ | Add structured data (schema markup) Schema helps AI understand what type of content you’re publishing. FAQPage and Article schema are the most important. |
AEO (Answer Engine Optimization) — 5 Steps to Become the Answer
| ☐ | Include an FAQ section Directly answer the questions your audience is typing into search. Use Google’s People Also Ask boxes to find the exact phrasing. |
| ☐ | Add FAQPage schema Marks up your Q&A so Google, ChatGPT, and Gemini can pull it as a direct answer. |
| ☐ | Use People Also Ask questions as headings Match the exact phrasing Google shows in PAA boxes. Answer it directly on your page. |
| ☐ | Keep answers short and direct (40–60 words) That’s the sweet spot for featured snippets and AI Overviews. Answer in the first sentence, then expand if needed. |
| ☐ | Open sections with a definition Starting with “X is…” makes it easy for AI to pull your content as the answer to “what is X?” questions. |
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On-Page AI SEO, GEO & AEO: This Not That
Old habits die hard in SEO. Here’s what to leave behind — and what to do instead.
| Old Way | The SDM Way |
|---|---|
| Cram keywords into your title tag and hope for the best | Write a title that matches what people are searching for — and makes them want to click |
| Use headings just to make text look bigger | Structure headings so both Google and AI tools can follow the logic of your page |
| Add image alt text as a last-minute checkbox | Write alt text that describes the image clearly — good for accessibility, good for SEO |
| Optimize a page once and never touch it again | Review and refresh your pages every quarter — search intent changes, and your content should too |
| Write content for the algorithm, not the reader | Write content that answers questions so clearly that AI Overviews want to cite you (GEO) |
| Skip FAQ sections because they feel repetitive | Add FAQs with proper schema so ChatGPT, Gemini, and Google can pull your answers directly (AEO) |
| Treat SEO, GEO, and AEO as three separate projects | Use this checklist to do all three at once — they reinforce each other when done right |
Frequently Asked Questions
What is on-page SEO?
On-page SEO is everything you do directly on a web page to help Google understand and rank it. This includes title tags, meta descriptions, URL structure, heading tags, content quality, internal links, and image alt text. Unlike off-page SEO, on-page SEO is entirely within your control.
What is GEO (Generative Engine Optimization)?
GEO stands for Generative Engine Optimization. It is the practice of optimizing your content so that AI tools like ChatGPT, Google Gemini, and Google AI Overviews are more likely to cite or reference your pages when answering user questions.
What is AEO (Answer Engine Optimization)?
AEO stands for Answer Engine Optimization. It is the practice of structuring your content so it directly answers specific questions — making it eligible for featured snippets, People Also Ask boxes, voice search results, and AI Overview citations.
How is GEO different from traditional SEO?
Traditional SEO focuses on ranking in Google’s blue-link results. GEO focuses on getting your content cited by AI tools like ChatGPT and Gemini. Both reward clear, authoritative content, but GEO places more emphasis on original frameworks and comprehensive coverage.
Do I need to do all three — on-page SEO, GEO, and AEO?
In 2026, yes. They reinforce each other. A page optimized for on-page SEO is already partway there for GEO and AEO. This checklist is designed to let you do all three in one pass.
How often should I update my pages?
Review your top pages every quarter. Search intent shifts, AI tools update their training data, and new questions emerge. Use Google Search Console to find pages losing clicks — those are your first priority.
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