Codex Inveniendi · The Runexus Wiki

The Library of
Digital Discovery

A free guide to SEO, AI search, and the RNX Standard.

Understand how websites get found, how useful answers earn trust, and what an RNX assessment can tell you. Start with the lessons or look up a code from your report.

No account, email signup or payment. The chapters and explanations come from the same educational source as the free Codex Inveniendi PDF.

New to search and AI discovery?

A reachable page is not automatically indexed. An AI-ready page is not proof of a recommendation. Learn these distinctions first, then use evidence to choose your next improvement.

Browse by topic

Chapter 1

The Internet Is a Library

Understand the difference between reaching a page, adding it to a search index and choosing it for a result.

Chapter 2

What Is SEO?

Start with a real customer need, make the right page usable and measure more than visits.

Chapter 3

What Is AEO?

Learn how answer systems use information, and why readiness is different from an observed recommendation.

Chapter 6

Building Trust and Authority

Check business identity, support important claims and distinguish earned references from paid promotion.

Chapter 10

Using RuneIndex

Read Website Analysis, AI Analysis and unassessed controls, then choose a next step from the evidence.

Chapter 12

Where to Go Next

Use the reference, ask better questions of your web team and keep evidence limits in view.

Browse by RNX family

All 359 atomic controls have permanent links. Short entries are grouped on substantial parent pages, following their actual numeric hierarchy rather than topic similarity.

Using this library

Search an identifier, a topic or a question. Each control explains its purpose, shows a fictional illustration and links to its canonical parents. These learning examples are not customer outcomes or detailed implementation recipes.

RNX is Runexus's proposed assessment methodology, not an officially adopted industry standard. Experimental controls are identified and do not establish ranking requirements.

Codex Inveniendi: Editio Ultima is a planned technical edition. It is not available through this free library.