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03 09Inspect the system. Explain the fix.

Technical SEO.

Separate access, rendering and indexing questions, then document corrections you can test.

Intermediate6 guided lessons1 final project
Start the first lessonFree to explore. No sign-up needed.
See what you’ll learn
An exploded graphite architectural model with separate violet conduits and silver diagnostic probes.
Access. Rendering. Indexing. Separate questions.

A clear learning sequenceThree phases. Two lessons each.

About 134 minutes32 min reading · ~102 min practice

Make something usefulFinish with your own reviewable project.

A skill you can put to work

Produce a small technical audit with a validation plan.

Observable findings

Record the URL, the behavior and the evidence.

A prioritized audit

Distinguish suspected causes from confirmed ones.

Repeatable checks

Define how someone else can validate the correction.

THE WORK, CONNECTED
Follow the evidence through the system.
Follow the evidence through the system.These are separate investigation stages. A successful response or rendered page does not establish indexing.

The curriculum

Your next six
useful steps.

Follow the sequence or return to a lesson whenever you need it. Read, try the task and check your reasoning.

Phase 1 · Lessons 1–2

Check access and signals

Understand crawl controls, canonicals and redirects.

LESSON 015 min read

Crawling, Indexing and Robots Controls

Distinguish access from index eligibility

~12 min practiceOpen lesson
LESSON 025 min read

Canonicals, Redirects and Duplicate URLs

Identify whether the old address should still be used

~14 min practiceOpen lesson
Phase 2 · Lessons 3–4

Inspect what is delivered

Follow navigation and compare source with rendered content.

LESSON 036 min read

Navigation, Sitemaps and Orphan Pages

Trace a route from a sensible entry

~16 min practiceOpen lesson
LESSON 045 min read

JavaScript and Rendered Content

Compare two observable states

~18 min practiceOpen lesson
Phase 3 · Lessons 5–6

Validate the change

Assess experience, record findings and plan a careful migration.

LESSON 055 min read

Page Experience and Performance

Understand what is being measured

~20 min practiceOpen lesson
LESSON 066 min read

Audit Changes and Plan a Migration

Record the starting state

~22 min practiceOpen lesson

Your final project · The diagnostic workshop

A small audit with testable findings

A fictional website has an old URL redirect, a script-inserted main paragraph and a page missing from navigation.

An open graphite diagnostic cube with three separate violet connection ports and ivory inspection plates.
A fictional brief.
A real chance to practice.

  1. A findings table with URL, observation and evidence.

  2. A prioritized change list with responsible roles.

  3. A repeatable acceptance check for each correction.

Your project is yours to keep. Use the example to review your choices, then make it your own.

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