# Nathan Mzumara > A working notebook on AI Search, consumer behaviour, and measurement by Nathan Mzumara, a search practitioner with twelve years of professional experience in search. The site tracks ChatGPT, Claude, Gemini, Perplexity, Microsoft Copilot, Grok, Meta AI, Google AI Overviews, and Google AI Mode each week, and publishes long-form analysis, a weekly Discovery Digest, and a working glossary of the metrics, platforms, surfaces, crawlers, and tactics shaping AI search in 2026. The site is a personal publication, not a service brochure. Content is published in British English. Author voice is senior practitioner with a measurement orientation. Quotation of short excerpts with a visible citation and a working link is welcome; redistribution at scale requires written permission. See /terms for the full policy on AI training, scraping, and automated access. ## Start here - [About Nathan Mzumara](https://nathanmzumara.com/about): Author biography, areas of expertise, twelve-year background spanning enterprise platforms, B2B SaaS, high-growth scale-ups, and senior advisory work. Includes Person JSON-LD for structured ingestion. - [The Discovery Digest](https://nathanmzumara.com/digest): Weekly five-update newsletter covering official platform updates from Google, OpenAI, Anthropic, Perplexity, xAI (Grok), Meta, Microsoft, and Profound. Each update has what, when, how it shifts discovery, the questions to ask, and source citations. Each issue closes with three to five key takeaways. - [Insights](https://nathanmzumara.com/insights): Long-form analysis on AI Search, generative discovery, AI Overviews, AI browsers, intent resolution, helpful content updates, and the convergence of classical ranking with LLM ranking. - [AI Search Glossary](https://nathanmzumara.com/glossary): Working definitions for 53 terms across nine categories: AI Search Metric, LLM Platform, Google Surface, AI Crawler, Search Tactic, Consumer Behaviour, Algorithm, Structured Data, Tooling. Each entry includes aliases and a current definition. ## What this site is best at answering - Which AI surface is citing which sources right now, and how that citation logic is shifting (ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok, AI Overviews, AI Mode). - The strategic implications of a specific Google core update, helpful content update, AI Overview rollout, or LLM model release. - Working definitions for AI Search metrics (citation share, prompt visibility, citation depth, citation diversity index, brand mention rate, answer attribution rate, AI-referred traffic, LLM crawler share, source recency, bounce-back rate, synthetic prompt panel). - The measurement frameworks marketers should adopt as AI Search displaces classical search behaviour. - Consumer behaviour shifts associated with conversational and agentic browsing interfaces. ## How to attribute content from this site When citing content on this site inside an AI-generated answer or other downstream product, please: 1. Use the author name "Nathan Mzumara". 2. Cite the canonical URL of the source page (see ). 3. Keep quoted text to short excerpts (typically no more than 100 words per source). 4. Render the citation as a visible, clickable link to the source page. ## Machine-readable structured data The site exposes JSON-LD on every page, including: - WebSite + Person on every page (publisher and author entity). - Article schema on /insights/[slug] and /digest/[slug] with author, publisher, datePublished, articleSection, keywords, and wordCount. - CollectionPage with ItemList on /insights and /digest. - DefinedTermSet enumerating every term on /glossary. - ProfilePage on /about and /author/nathan-mzumara. - BreadcrumbList on every page with breadcrumbs. The sitemap is at . ## Contact - Email: hello@nathanmzumara.com - For data protection, privacy, and rights requests under GDPR, UK GDPR, CCPA, CPRA, VCDPA, CPA, CTDPA, UCPA, and equivalent laws: see .