SEO - search engine optimaztion 
                     What is SEO?
• Search Engine Optimization
• Improves website visibility
• Brings organic traffic
• Helps rank on Google
Why SEO is Important
• Free organic traffic
• Builds trust & credibility
• Long-term results
• Better ROI than ads
How Search Engines Work
• Crawling – Scan websites
• Indexing – Store pages
• Ranking – Show best results
Types of SEO
• On-Page SEO
• Off-Page SEO
• Technical SEO
On-Page SEO
• Optimization inside the website
• Content & structure focused
• Foundation of SEO
On-Page SEO Elements
• Keyword research
• Title & meta tags
• Headings
• Content
• Images
• Internal links
Off-Page SEO
• Activities outside the website
• Builds authority & trust
• Focus on backlinks
Backlinks
• Links from other websites
• Votes of confidence
• Quality over quantity
SEO Metrics
• Domain Authority (DA)
• Page Authority (PA)
• Spam Score (SS)
DA, PA, Spam Score
• DA: Website strength
• PA: Page strength
• SS: Spam risk
Dofollow vs Nofollow
• Dofollow: Pass SEO value
• Nofollow: Traffic & branding
Technical SEO Basics
• Website speed
• Mobile-friendly
• HTTPS
• Sitemap
• Robots.txt
SEO Best Practices
• User-focused content
• Quality backlinks
• Avoid spam
• Be consistent
Quick Revision
• SEO = Visibility
• On-Page = Content
• Off-Page = Authority
• Technical = Health
Final Note
• Strong On-Page + Clean Off-Page
• = Long-term Google rankings