Knowledge

Practical notes from real work.

Websites, APIs, CRM systems, analytics, infrastructure and the lessons learned while building and operating them.

Commercial API developer documentationAPI contract
Live Website Health Scanner interfaceDiagnostic tools
CONDITIONAL REQUESTIf-None-Match: "previous-etag"304Not Modified
11Evidence-backed articles
8Live diagnostic tools
5Production case studies

Selected notes

11 topics. No filler.

11 published articles · maintained in one quality-controlled registry.

Digital Operations

01

How I Manage 100+ Websites

A practical operating model for websites, domains, hosting, forms, tracking and lead delivery at portfolio scale.

5 min readRelated toolCase proof
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Public Marketech Commercial API documentation overview

APIs & Data

02

Building a Commercial API as a Product

Why documentation, scoped access, quotas, caching and operator visibility belong to one API product system.

4 min readRelated toolCase proof
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CRM & Automation

03

Why Leads Get Lost Between Website and CRM

The practical failure points between a visitor action, lead capture, assignment, follow-up and reporting.

4 min readRelated toolCase proof
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Live Website Health Scanner product interface

Tools & Product Building

04

What I Learned Building Five Website Audit Tools

The product, security, scoring and regression lessons behind five live public diagnostic tools.

4 min readRelated toolCase proof
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Measurement & Growth

05

Common GA4 and GTM Tracking Mistakes

Why tag presence, container installation and actual conversion measurement are different kinds of evidence.

4 min readRelated toolCase proof
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Measurement & Growth

06

How to Calculate a Google Ads Budget

Two numbers decide almost everything about a paid search budget. Here is the arithmetic, the assumptions it rests on, and why a benchmark CPC is the worst place to start.

6 min readRelated toolCase proof
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Website Systems

07

How to Read a Website SEO Audit

An audit produces a list. The useful skill is knowing which findings block everything else, which are worth fixing this month, and which are noise dressed up as a score.

6 min readRelated toolCase proof
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Tools & Product Building

08

What Should Be Included in a Website or Software Scope of Work?

A scope document earns its place by being specific about the boundaries, not the ambitions. Twelve sections, and which four of them actually prevent the argument.

7 min readRelated toolCase proof
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Tools & Product Building

09

Gross Rental Yield vs Cap Rate vs Cash-on-Cash Return

Three numbers that get quoted as if they measure the same thing. They differ in what they subtract and what they divide by, and that is the whole distinction.

6 min readRelated toolCase proof
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Tools & Product Building

10

Why Unknown Property Costs Should Not Be Treated as Zero

An empty cost field and a confirmed nil look identical in a total and mean opposite things. The gap between them is where optimistic property models come from.

5 min readRelated toolCase proof
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APIs & Data

11

How to Turn Website Content into an AI Knowledge Base

Retrieval and training are different things that get called the same thing. One reads your content when a question is asked; the other changes a model's weights. Only one of them is what most businesses need.

7 min readRelated toolCase proof
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Practical guides

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