AI Search8 min
How to rank in ChatGPT Search: a practical 2026 guide
ChatGPT Search picks 3–7 sources per answer. Here is how to be one of them, consistently.
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The LumenEntity blog
Practical writing on SEO, generative engine optimization, and how brands earn citations from ChatGPT, Perplexity, Gemini, Copilot and Google's AI Overviews.
FeaturedAI Search9 min read
GEO vs SEO: 11 differences that change your 2026 playbook
Same content, two scoreboards. Here is exactly where GEO and SEO part ways — and what to do in each.
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AI Search8 min
How to get cited by Perplexity (and stay cited)
Perplexity is the most citation-friendly answer engine on the market. Here is how to earn — and keep — a top slot.
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AI Search9 min
Optimizing for Google AI Overviews without losing classic SEO
AI Overviews changed the SERP. The good news: the same content that wins there can still win the ten blue links.
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AI Search8 min
Gemini vs ChatGPT vs Perplexity: who cites whom in 2026
Three models, three citation philosophies. Here is what changes — and what stays the same — across the big three.
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AI Search10 min
Answer Engine Optimization (AEO): the complete guide
AEO is what GEO becomes when you stop chasing rankings and start chasing the answer slot.
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AI Search7 min
The LLM-friendly content structure (with examples)
One template, four answer engines, dozens of citations. Here is the structure we use on every LumenEntity post.
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SEO6 min
Schema markup that actually helps AI search
Schema is the cheapest GEO win on the table. Here is the short list of types that earn citations.
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Strategy7 min
Prompt monitoring: choosing the right prompts to track
Track the wrong prompts and you optimize for noise. Track the right ones and you out-execute your category.
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Strategy7 min
Share of voice in LLMs: a new metric for brand marketers
If 'awareness' was the 20th-century brand metric, 'share of voice in LLMs' is the 21st-century one.
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AI Search7 min
What is AI search visibility, and why it matters more than rankings in 2026
Rankings used to be the whole game. In 2026, the answer engine is the SERP — and being cited by an AI is the new page-one result.
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SEO7 min
Attributing traffic from AI search engines in GA4
If 'direct' is your fastest-growing channel in 2026, you have an AI search attribution problem. Fix it in an afternoon.
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AI Search7 min
Visibility in Bing Copilot: the underrated channel
Copilot is the AI surface most teams forget. It is also the easiest one to win.
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SEO8 min
Core Web Vitals in 2026: what still matters
INP replaced FID two years ago. Here is the field-tested guide to passing Core Web Vitals without over-investing.
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SEO9 min
Programmatic SEO without thin content
Programmatic SEO is not spam. It is a content-production model that respects search intent. Here is how to do it right.
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AI Search9 min
How ChatGPT, Perplexity and Google AI Overviews choose which sources to cite
Behind every AI-generated answer is a retrieval pipeline. Understanding that pipeline is the first step to being cited by it.
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SEO7 min
Internal linking patterns that build topic authority
Internal links are the cheapest, most underused SEO lever. Here is the wiring guide that compounds over time.
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SEO8 min
The E-E-A-T checklist Google actually rewards in 2026
E-E-A-T is not a ranking factor — it is a quality framework. Here is how to make it operational.
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SEO9 min
A technical SEO audit checklist you can finish in a day
Most technical audits are bloated. Here is the one-day version that catches the issues that actually move traffic.
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SEO8 min
Content pruning: when to delete vs refresh vs merge
Old content is not free. Here is the decision tree we use to delete, refresh or merge legacy posts at scale.
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SEO9 min
Next.js SEO best practices (App Router, 2026)
App Router changed how SEO is shipped in Next.js. Here is the production checklist we use on this site.
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SEO6 min
Structured data cheatsheet for SaaS sites
All the JSON-LD you need for a SaaS site, in one page, with only the fields that move the needle.
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SEO7 min
The SERP features still worth chasing in 2026
Not every SERP feature is worth the work. Here is the 2026 priority stack.
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SEO8 min
Keyword research in the LLM era: from queries to intents
Users do not type keywords to LLMs. They type intents. Your research process needs to follow.
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Strategy10 min
How to measure brand visibility in LLMs
If you cannot measure it, you cannot grow it. Here is the full operating model for measuring brand visibility in LLMs.
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Strategy7 min
Why unlinked brand mentions still drive SEO in 2026
A link is just one way to be mentioned. The other ways feed the parts of the algorithm that LLMs care about most.
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Strategy8 min
The competitor share-of-voice playbook for AI search
If your competitors win the answer 70% of the time, that is your roadmap. Here is the playbook.
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SEO11 min
The 2026 SEO checklist for the AI era
SEO did not die. It grew a second head. Here is the consolidated checklist we run for every site we audit at LumenEntity.
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Strategy7 min
From rankings to citations: the KPI shift for marketing teams
The KPI dashboard your CMO loved in 2022 is incomplete in 2026. Here is the upgrade.
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Strategy7 min
Digital PR for LLM citations: where to get mentioned
PR is not dead — it just has a new measurement layer. Here is the playbook for LLM citations.
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Strategy9 min
The B2B SaaS AI visibility playbook
B2B SaaS has the cleanest prompt landscape in AI search. Here is the playbook to dominate yours.
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Strategy9 min
The e-commerce AI search playbook (product discovery in LLMs)
Shoppers are asking LLMs 'what should I buy'. Here is how to be the answer.
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Strategy7 min
Anatomy of a winning AI-visibility case study (template inside)
Case studies are the most under-leveraged content type in AI search. Here is the template that doubles as proof and as a citation magnet.
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