Level 04 · Lesson 01Available
Crawling and Indexing
Follow a URL from discovery to its possible place in a search index.
9 min read
Topics covered
- Discovery and crawling
- Indexing and ranking
- Blocking diagnostics
Optimization lab / Level 04
Technical SEO
Enter the maintenance layer: help search systems reach and understand pages while keeping the experience fast, stable and dependable.
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Three available lessons move from search-bot delivery routes to performance telemetry and whole-site maintenance.
- Level 04 · Lesson 02Available
Performance and Core Web Vitals
Understand loading, responsiveness and visual stability through the player’s experience.
10 min read
Topics covered
- LCP, INP and CLS
- Lab and field data
- Practical improvements
- Level 04 · Lesson 03Available
Technical Signals and Site Health
Run the website maintenance control room and keep access, direction, discovery and meaning clear.
11 min read
Topics covered
- Status codes and redirects
- Sitemaps and directives
- Structured data and health