PandaCodeGen / Field notes
Good questions.
Worth a read.
Welcome to our notebook. Explore guides, comparisons and lessons from building websites, online stores and the systems behind them. Pick a topic, or see what catches your eye.
Browse topics / SEO & AI Search
Read the SEO & AI Search topic overview →
SEO & AI Search
ChatGPT Out-Earned Our Google Ads by 6.7x: Six Months of AI Referral Revenue
First-party data from a founder-affiliated store. 760 orders, $271,620.61, and recorded revenue attributed to ChatGPT, Claude, Perplexity, Gemini and Google AI Overview.
Read the guide ↗
What Is llms.txt? Here Is Ours, and Who Actually Reads It
llms.txt explained with our real, live file: the format, who genuinely reads it in 2026, and the two vendor claims everyone repeats that turn out to be unsourced.
Read the guide ↗
AEO & Web Performance Glossary: 26 Terms Defined (2026)
A source-linked map of 26 AI-search, rendering, structured-data, and web-performance terms, including what each term does and does not prove.
Read the guide ↗
Lovable Site Not Showing on Google? A 2026 Diagnostic
Current Lovable apps support SSR or crawler pre-rendering. Diagnose publishing, indexing, canonicals, metadata, content and Search Console before proposing a rebuild.
Read the guide ↗
Lighthouse Agentic Browsing Checks Explained (2026)
A dated review of the Agentic Browsing checks shown in the audit snapshot, what was scored, what was marked not applicable, and why no technical score guarantees AI inclusion or sales.
Read the guide ↗
Will Migrating My Website Hurt SEO? A 2026 Risk Guide
A site migration can change crawling, indexing and ranking signals. Reduce avoidable risk with a URL inventory, relevant redirects, rendered checks, cutover controls and Search Console monitoring.
Read the guide ↗
AEO Playbook: Improve Eligibility for AI Search Citations
An evidence-led AEO playbook for crawlability, useful content, structured data, measurement, and AI-search eligibility without citation guarantees.
Read the guide ↗
AI Visibility Tracking: What 77 Pages and 6,700 AI Impressions Showed
First-party Search Console data on how AI visibility is actually distributed across a corpus, what the Generative AI report can and cannot tell you, and why an impression is not the same as being mentioned.
Read the guide ↗
Google Algorithm Updates: Every Confirmed Update Since 2021
Google has confirmed 40 ranking updates since November 2021, 16 of them core updates. The full dated register from Google's own dashboard, plus how to tell whether one actually hit your site.
Read the guide ↗
How Website Speed Affects SEO: Evidence and Limits in 2026
How Core Web Vitals fit within page experience, how to separate field and lab evidence, and why performance does not map to a fixed ranking or revenue outcome.
Read the guide ↗
Why Does My Competitor Outrank Me? An Evidence-Led SEO Gap Analysis
Compare intent, content, crawlability, internal links, reputation, page experience and first-party search data without blaming a CMS or promising rankings.
Read the guide ↗Want to understand how we check claims and maintain these guides?
Read our editorial policy →