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Comprehensive Guide to SEO Fundamentals

Mar 19, 2025

SEO Fundamentals Course by Ahrefs

Instructor Introduction

  • Name: Sam Oh
  • Course: SEO Fundamentals by Ahrefs
    • Focus: Execution of SEO fundamentals
    • Suitable for beginners but applicable to all business sizes

Course Structure

  • Introduction Video: SEO 101 Basics
    • What is SEO?
    • Why is SEO important?
    • How SEO works
  • Module 1: Keyword Research
    • Finding beneficial keywords for business.
    • Lays the foundation for on-page SEO.
  • Module 2: On-page SEO
    • Optimizing pages for keyword ranking.
  • Module 3: Link Building
    • Google’s ranking signals and importance.
  • Module 4: Technical SEO
    • Best practices and website maintenance.

SEO Basics

  • Definition: SEO stands for Search Engine Optimization.
    • Process of optimizing content for search engine visibility.
  • Function: Search engines act like libraries storing web pages.
    • SEO helps search engines identify relevant pages.

Importance of SEO

  1. Traffic: SEO generates free organic traffic.
  2. Consistency: Organic search traffic is stable compared to social or email marketing.
  3. Reach: Opportunity to connect with a massive audience (4 billion Google users as of 2019).

How Google Works

  • Crawling & Indexation: Google uses spiders to crawl web pages and add them to their search index.
  • Ranking Algorithm: Google uses hundreds of ranking signals and makes frequent updates.
    • Backlinks: Considered votes of confidence.
    • Search Intent: Understanding the reason behind a search query.
    • Content Depth: Providing comprehensive coverage of the subject.

Keyword Research

  • Importance: Foundation for SEO.
  • Process: Finding and choosing keywords.
  • Checklist for Choosing Keywords:
    1. Search Demand
    2. Traffic Potential
    3. Business Potential
    4. Matching Search Intent
    5. Ranking Difficulty
  • Search Intent Types:
    • Content Type
    • Content Format
    • Content Angle

Practical Keyword Research

  • Tools: Use Ahrefs Keywords Explorer or free alternatives.
  • Generating Ideas: Start with seed keywords.
  • Finding Topics: Use search volume and modifiers.
  • Competitor Analysis: Identify keywords driving traffic to competitors.

On-page SEO

  • Definition: Practice of optimizing web pages for search engines.
  • Misconceptions:
    • Not about keyword stuffing or exact match keywords.
    • Not about word count.
  • Best Practices:
    • Satisfy search intent.
    • Optimize HTML tags (titles, meta descriptions).

Link Building

  • Importance: Backlinks are critical for ranking.
  • Types of Link Building:
    • Creating, buying, or earning links.
  • Attributes of Good Links:
    • Relevance, authority, anchor text, rel attribute.

Link Building Tactics

  1. Help A Reporter Out (HARO): Provide expert opinions.
  2. Guest Blogging: Write content for other sites.
  3. Skyscraper Technique: Improve on high-performing content.

Technical SEO Basics

  • Definition: Optimizing technical aspects to aid search engine indexing.
  • Key Areas:
    • Noindex Meta Tag
    • Robots.txt
    • Sitemaps
    • Redirects
    • Canonical Tags

Technical SEO Best Practices

  • Site Structure: Use logical hierarchy.
  • Page Speed: Ensure fast loading times.
  • Audits: Regularly check for SEO errors using tools like Ahrefs Site Audit.

This course provides a comprehensive introduction to SEO, covering foundational aspects through practical strategies for implementation.