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Section 01 · The knowledge base reg. K.001 · living document

The knowledge base lives.

A collection maintained by hand: every article is revised the moment practice or a figure changes. Questions our clients have asked us since 2017 became articles here. Six sit in the window to get you started; the registers further down point to the rest. Learning is free here, and so is measuring.

Enter

104 articles · six to get you started

theseo.nl › lokale-seo-checklist-2026

Local SEO checklist 2026: how to rank higher in Google Maps

Google Business Profile, reviews, NAP data and schema markup, point by point. With a step-by-step plan you can carry out this afternoon.

theseo.nl › wat-kost-google-ads

What does Google Ads advertising cost for an SME?

Click prices per industry, the monthly ceiling on your daily budget and the management costs. Including the sum that shows in advance whether advertising pays off.

NL
theseo.nl › core-web-vitals-snelheid-website-beoordeling

Google assesses your speed per page, but your report groups them together

LCP, INP and CLS in plain language. Why Search Console lumps your URLs together and how to see the per-page measurement anyway.

theseo.nl › gevonden-worden-in-google-ai-overviews-chatgpt-geo-2026

Getting found in Google AI Overviews and ChatGPT: how GEO works in 2026

ChatGPT and Claude cite sources that are clear, structured and verifiable. Which structure, which entities and which signals are needed for that.

NL
theseo.nl › linkbuilding-zonder-budget

Link building without a budget, five routes from zero euros

Five good places beat fifty empty ones: five free routes and a plan for your first month, without tricks that backfire later.

theseo.nl › llms-txt-uitleg-voordelen-en-advies-de-toekomst-van-seo

What is llms.txt and why your site needs one

The file that tells AI assistants what your site is and what matters. An explanation, a working example and what it demonstrably doesn't do yet.

six of the 104 · the registers below point to the rest

Section 02 · Collections

Read in series, not in loose pieces

reg. K.002 · 3 series

Individual articles answer a question; series build understanding. Three composed routes through the knowledge base: start with the first article and the rest follows naturally.

FIG.01 · series I reading order

SEO basics

From keyword research to technical health: the articles every site owner should read before discussing rankings. They sit in the SEO, technology and conversion register and connect to our SEO services.

route in one reading order

FIG.02 · series II recurring rhythm

Ads practice

Budgets, ROAS, campaign structure and the weekly routine behind campaigns that perform. Written from accounts we manage ourselves; the articles sit in the advertising register.

route with a recurring rhythm

FIG.03 · series III growing

AI guide

Being visible in AI answers: llms.txt, structured content and the National AI Index NL. This series grows along with what the models do, so the end is deliberately left open; the articles sit in the AI register.

route with an open-ended finish

Section 03 · Five questions

Questions that come up often

reg. K.003 · five questions, five articles
Section 04 · The count

The knowledge base in numbers

reg. K.004 · measurements
104M.01 · articles in the knowledge base
49M.02 · blogs with a free skill included
100M.03 · free skills for Claude
6M.04 · registers below
Section 05 · Skill library

Skills to download

reg. K.005 · 49 of the 104

49 blogs in the knowledge base come with their own skill: a small SKILL.md file you download for free and hand to your AI assistant. Claude or Codex then carries out the article's method for you, from assessing a link profile to building llms.txt. Below is a selection by topic; every title links to the blog, and that's where you'll find the download with installation instructions for Claude Code, Claude.ai and Codex. The whole library is on the skills page.

DOC.K2 · Reading guide

Self-learning with TheSEO's SEO knowledge base

You want to understand how to grow online without hiring an agency straight away. That's exactly what this page is for. Our SEO knowledge base holds 104 articles on SEO, Google Ads, local findability and AI search behaviour. Practical knowledge for business owners and teams who want to understand what works.

Rankings, adverts and AI search behaviour

You'll read how rankings come about, why one advert pays off and another doesn't, and how customers keep finding you now that more and more people ask AI their questions.

What you'll find in the SEO knowledge base

Every article answers a concrete question from practice. You choose which subject you want to grow in right now:

  • SEO and GEO: practical knowledge about rankings, AI Overviews and organic growth. Want to get started right away? Begin with improving your SEO.
  • Google Ads: from local lead generation to niche pages and return. If you get stuck in your campaigns, our SEA specialist will think it through with you.
  • Websites and AI: conversion, speed, usability and new forms of findability, including AI and automation for your daily work.

Alongside articles you'll find free tools that let you apply the knowledge right away, such as the AI SEO Snippet Previewer and the SEO Title and Meta Description Generator. That way you can see today what a better title does for your click-through rate. And 49 blogs come with a free skill download for Claude and Codex, gathered in the skill overview above, so your AI assistant carries out that article's method for you straight away.

How to get the most out of the knowledge base

Our approach is simple. First choose the goal that pays off most right now: more visitors from Google, more leads through advertising, better website performance or more visibility in AI search environments. Then read two or three articles on that subject, apply one thing to your own site and measure the effect. Knowledge is powerful, application makes the difference.

If something works, you build on it. If something doesn't, you know that too, and you look in the knowledge base for the next angle. If you operate locally, also look at the articles on local findability and Google reviews, because that's where the fastest gains lie for many SMEs. That way you build up, step by step, a feel for what works in your market and where opportunities remain.

Carry on yourself or move faster together

Prefer to keep learning on your own? Fine, that's what the knowledge base is for. Want to get to a working approach faster? Then we'll look together at your situation, your market and your growth opportunities. With a plan that fits your website, your industry and the way people search now, in Google and in AI. Curious who'll be looking at it with you? Get to know us and plan a no-obligation conversation.

Gianluca, who maintains the knowledge base by hand
image · who writes and checks the articles the moment a figure or practice changes
Section 06 · Under the hood

Maintained by hand

reg. K.006 · publish.log

There's no nightly robot re-reading the knowledge base here. What does happen: with every publication we check existing articles for figures that have gone out of date, we relay the internal links, and the updated llms.txt file goes out with the site.

~/theseo/knowledge-base · publish.log
theseo ~ %
# no schedule: this runs whenever something changes
existing articles checked for outdated figures
internal links relaid to the new page
llms.txt updated and published together with the site
done, checked by a human

Want answers like these in your own AI tools too? That's what Jarvis was built for: one brain across your AI tools. Prefer learning to reading? Take a look at our AI training courses.

DOC.K · THE REGISTERS

Six registers, all 104 articles

GOOGLE BUSINESS PROFILE AND REVIEWS 13 articles
ADVERTISING WITH GOOGLE ADS 7 articles
BY TRADE: YOUR CUSTOMER'S QUESTION 10 articles
AI AND THE FUTURE OF SEARCH 22 articles
SEO, TECHNOLOGY AND CONVERSION 39 articles
DOC.K3 · Closing

Self-learning is free, and so is measuring

Everything on this page is yours to apply, that's what a knowledge base is for. Want to know where you stand first? Start with the free SEO scan, with nothing expected in return. Want someone to take a look with you? There's the free manual audit of five pages. And if reading alone doesn't get you there, ask your question via contact or plan a conversation. No obligation, because selling advice to someone who's still learning is the worst advice there is.

Section · Next step24/7 available · sales@theseo.nl
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Written by GianlucaFounder of TheSEO. Has been building findability for Dutch businesses since 2017, in Google and in AI answers. More about the institute.