Author

Vijayakumar Madhaiyan

Co-founder, Yozigo

Co-founder of Yozigo. Leads GEO research and writes about how AI engines choose which brands to cite.

Articles by Vijayakumar Madhaiyan (28)

AI Search

How to Get Cited in Google AI Overviews and AI Mode (2026)

Google AI Overviews and AI Mode pick sources differently. Data from 9,655 answers shows AI Overviews leans on LinkedIn and YouTube while AI Mode cites the brand’s own site twice as often. Here is how to get into both.

Vijayakumar Madhaiyan6 min read
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Content

How to Structure Content So AI Models Cite It More (2026)

The page structures that make ChatGPT, Perplexity and Google’s AI quote a passage: answer-first sections, sourced numbers, real tables and named authors, with what the research and our own data show about each.

Vijayakumar Madhaiyan6 min read
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Brand Monitoring

What Is an AI Visibility Score and How Is It Calculated?

An AI visibility score is the share of AI answers that mention your brand. How tools calculate it, the other numbers that should sit beside it, and what a typical score looks like for branded and unbranded questions.

Vijayakumar Madhaiyan5 min read
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GEO

Why AI Engines Cite LinkedIn, YouTube and Reddit

LinkedIn, YouTube and Reddit were cited for more brands than any other domains in our 2026 data, and YouTube made up 9-10% of Google AI Overview and AI Mode citations. How to use each platform.

Vijayakumar Madhaiyan8 min read
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Brand Monitoring

What Is Share of Model? How to Measure Your AI Share

Share of Model measures how often AI engines name your brand compared with competitors. What it is, where the term comes from, how to calculate it, and benchmarks from 203,267 unbranded AI answers.

Vijayakumar Madhaiyan7 min read
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Brand Monitoring

Track Your Brand in ChatGPT, Gemini & Perplexity 2026

44% of AI search prompts return zero brand mentions. This step-by-step guide shows you exactly how to monitor and improve your brand's visibility in ChatGPT, Perplexity, and Google Gemini using manual methods and automated GEO tools.

Vijayakumar Madhaiyan9 min read
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GEO

Best GEO & SEO Company in Bangalore 2026: Case Study

India ranks #3 globally for ChatGPT usage, yet 91% of Indian SaaS brands are invisible in AI search. This guide covers the best GEO companies in Bangalore, a real case study of 3x AI visibility in 60 days, and a strategy blueprint for Indian SaaS teams.

Vijayakumar Madhaiyan10 min read
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SEO Tools

Best GEO & AI SEO Tools for US Brands in 2026

ChatGPT drives 87.4% of AI referral traffic and its visitors convert at 15.9%, about 9x Google organic. The best GEO and AI SEO tools for US SMBs and enterprises, plus how to use fan-out queries.

Vijayakumar Madhaiyan11 min read
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SEO Tools

Best GEO & AI SEO Tools for UK Brands in 2026

94% of business buyers use AI during purchases, and ChatGPT drives 87.4% of AI referral traffic. The top GEO tools for UK SMBs and enterprises, including UK-origin platforms and ICO compliance guidance.

Vijayakumar Madhaiyan11 min read
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