Learning Objectives
By the end of this lesson, learners should be able to:
- Explain technical SEO.
- Identify factors affecting website performance.
- Describe mobile friendliness and HTTPS.
- Explain XML sitemaps and robots.txt.
4.1 Meaning of Technical SEO
Technical SEO focuses on the website infrastructure that helps search engines crawl, index, and understand pages effectively.
4.2 Website Speed
Slow websites frustrate users and may reduce rankings.
Improve Speed By:
- Compressing images,
- Minimizing scripts,
- Using caching,
- Choosing quality hosting.
4.3 Mobile Friendliness
A mobile-friendly website adapts to smartphones and tablets.
Important Elements
- Responsive design,
- Readable text,
- Touch-friendly buttons.
4.4 HTTPS Security
HTTPS encrypts data between the browser and the website and builds trust.
4.5 XML Sitemap
An XML sitemap lists important pages to help search engines discover content.
4.6 Robots.txt
This file tells search engines which pages may or may not be crawled.
4.7 Crawlability and Indexability
Pages should:
- Be accessible through links,
- Avoid accidental blocking,
- Return proper status codes.
4.8 Structured Data (Basic Idea)
Structured data helps search engines understand content such as reviews, products, and events.
4.9 Technical SEO Checklist
- HTTPS enabled,
- Mobile-friendly,
- Fast loading,
- XML sitemap available,
- Robots.txt configured,
- No major crawl errors.
Lesson Summary
Technical SEO ensures that websites are secure, accessible, fast, mobile-friendly, and easy for search engines to process.