Topic 6: SEO Fundamentals

📖 6 min read · 🎯 beginner · 🧭 Prerequisites: about-website-pages-wordpress, basics-of-website-creation-and-design

Why this matters

Here's the thing — you could spend weeks building a beautiful website, write amazing content, set everything up perfectly… and still get zero visitors. Not because your site is bad, but because Google simply doesn't know it's worth showing. That's the problem SEO solves. Search Engine Optimization is how you tell search engines, "Hey, this page is relevant — show it to people searching for this." Every WordPress post and page you've built so far is invisible by default. This lesson changes that.

What You'll Learn

• What SEO is and why organic search traffic is worth pursuing
• How to conduct keyword research using tools like Google Keyword Planner, SEMrush, Ahrefs, and Moz
• The six practical pillars of SEO: on-page, technical, off-page, local, content marketing, and analytics
• Which metrics to track — organic traffic, keyword rankings, bounce rate, conversion rate — and which tools to use

The Analogy

Think of the internet as a vast city with millions of shops, and search engines as the official city directory that residents consult before going anywhere. A shop buried down an unmarked alley with a dirty window, no sign, and no word-of-mouth reputation will never appear in that directory — no matter how good its products are. SEO is the work of giving your shop a clear address, clean windows, a recognizable sign, a great reputation among other shopkeepers, and glowing reviews from satisfied customers. Do all of that and the directory doesn't just list you — it puts you on the first page, right where browsers are looking.

Chapter 1: Keyword Research — Finding the Words Your Audience Uses

Definition: Keyword research is the process of identifying the exact words and phrases people type into search engines when looking for content, products, or services related to your business. It is the foundation of every other SEO decision you make.

Tools for keyword research:

• Google Keyword Planner — free, directly sourced from Google's data
• SEMrush — competitive intelligence, keyword gap analysis
• Ahrefs — deep backlink and keyword data
• Moz — beginner-friendly keyword difficulty scoring

The three-step process:

1. Brainstorm — list every word or phrase a potential customer might use to find your product or service. Don't filter yet; write everything down.
2. Analyse — run your list through a keyword tool. For each keyword, evaluate:
   • Search volume — how many people search for it monthly
   • Competition — how many other sites target it
   • Relevance — how closely it maps to what you actually offer
3. Select a balanced mix — choose a combination of:
   • Short-tail keywords (broad, high-volume, e.g., "running shoes") — hard to rank for, but massive reach
   • Long-tail keywords (specific, lower-volume, e.g., "women's trail running shoes waterproof size 8") — easier to rank for, higher purchase intent

graph LR
    A[Brainstorm Keywords] --> B[Run Through Tools]
    B --> C{Evaluate Each}
    C --> D[Search Volume]
    C --> E[Competition]
    C --> F[Relevance]
    D & E & F --> G[Select Short-tail Mix]
    D & E & F --> H[Select Long-tail Mix]
    G & H --> I[Final Keyword List]

Chapter 2: On-Page SEO — Optimising What's on Your Pages

Definition: On-page SEO is the optimisation of individual web pages so that search engines can understand their content and rank them for relevant queries. It covers everything you control directly in the HTML and copy.

The six key on-page elements:

1. Title Tags

The <title> element is the clickable blue headline in search results. Rules:

• Include your primary keyword
• Keep it within 60 characters (anything longer gets truncated)

<title>Waterproof Trail Running Shoes for Women | TrailGear Co.</title>

2. Meta Descriptions

The short summary that appears under the title in search results. Rules:

• Summarise the page content clearly
• Length: 150–160 characters
• Include the primary keyword naturally

<meta name="description" content="Shop lightweight, waterproof trail running shoes for women. Free returns, expert fit advice, and same-day dispatch. Find your perfect pair today.">

3. Header Tags

Use heading elements to create a readable hierarchy:

• <h1> — one per page, the main topic title; include your primary keyword
• <h2> — major sections; include secondary keywords naturally
• <h3>, <h4>, etc. — sub-sections; use keywords only when they fit naturally

<h1>Waterproof Trail Running Shoes for Women</h1>
<h2>Top Picks for Rocky Terrain</h2>
<h3>Lightweight Options Under 250g</h3>

4. URL Structure

URLs should be short, descriptive, and keyword-rich. Avoid dynamic query strings.

Good:  https://trailgear.co/womens-waterproof-trail-shoes
Bad:   https://trailgear.co/product?id=4829&cat=12&ref=nav

5. Content

Write content that is:

• High-quality and original — no duplicated or thin content
• Valuable to the user — answers the question they searched
• Keyword-inclusive but natural — never stuffed; write for humans first

6. Image Alt Text

Every image needs an alt attribute describing it with relevant keywords. This improves visibility in Google Image Search and is essential for accessibility.

<img src="trail-shoes-women.jpg" alt="Women's waterproof trail running shoes in grey and teal">

Chapter 3: Technical SEO — Making Your Site Work for Crawlers

Definition: Technical SEO optimises the underlying infrastructure of your website so search engines can crawl, index, and render it efficiently — and so users get a fast, reliable experience.

The five key technical pillars:

1. Site Speed

Slow pages hurt both rankings and conversions. Speed improvements include:

• Compress and resize images before uploading
• Leverage browser caching so returning visitors load assets from memory
• Use a Content Delivery Network (CDN) to serve files from servers geographically close to the user

2. Mobile-Friendliness

Google uses mobile-first indexing — it evaluates the mobile version of your site. Ensure your site is responsive and performs well on all screen sizes. Test with Google's Mobile-Friendly Test tool.

3. XML Sitemap

A sitemap tells search engines which pages exist on your site and when they were last updated.

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>https://trailgear.co/womens-trail-shoes</loc>
    <lastmod>2026-05-01</lastmod>
    <priority>0.9</priority>
  </url>
</urlset>

Submit your sitemap via Google Search Console after creating it.

4. Robots.txt

The robots.txt file instructs search engine crawlers which pages they may or may not access.

User-agent: *
Disallow: /admin/
Disallow: /checkout/
Allow: /
Sitemap: https://trailgear.co/sitemap.xml

Place this file at the root of your domain: https://yourdomain.com/robots.txt.

5. HTTPS

Install an SSL certificate so your site is served over https://. Google confirmed HTTPS as a ranking signal, and browsers actively warn users about non-secure pages — a trust-killer before any SEO can work.

Chapter 4: Off-Page SEO — Building Authority Beyond Your Site

Definition: Off-page SEO covers activities performed outside your website that influence how authoritative and trustworthy search engines consider it to be. Think of it as your site's reputation in the wider web.

Three key off-page levers:

1. Backlinks

A backlink is a link from another website pointing to yours. Search engines treat backlinks as votes of confidence.

• Prioritise quality over quantity. One link from a respected industry publication outweighs 100 links from obscure directories.
• Acquire backlinks through guest posting, creating link-worthy resources, and building genuine relationships with other site owners.

2. Social Signals

While the direct ranking impact of social shares is debated, a strong social media presence increases content visibility and the likelihood that others link to your content organically. Create shareable content and maintain active profiles on platforms where your audience lives.

3. Brand Mentions

When reputable sites mention your brand by name — even without a hyperlink — search engines register it as a signal of real-world authority. Pursue PR, podcast appearances, and collaborations to earn unlinked brand mentions.

Chapter 5: Local SEO — Being Found in Your Neighbourhood

Definition: Local SEO optimises your visibility for geographically-targeted searches — e.g., "trail running shoes near me" or "running shop Melbourne."

Four essential local SEO elements:

1. Google My Business (Google Business Profile)

Create and fully optimise your listing:

• Add accurate business name, address, phone, hours, and photos
• Choose the correct primary and secondary categories
• Respond to all reviews, positive and negative

2. NAP Consistency

NAP stands for Name, Address, Phone number. These three data points must be absolutely identical across every online listing — your website footer, Google Business Profile, Yelp, Facebook, local directories — even differences in abbreviation ("St." vs "Street") can confuse search engines.

3. Local Keywords

Weave location-specific phrases naturally into your content and meta tags.

<title>Trail Running Shoes Melbourne | TrailGear Co.</title>
<meta name="description" content="Melbourne's specialist trail running shop. Expert fitting, waterproof shoes, and same-day dispatch from our South Yarra store.">

4. Reviews

Customer reviews on Google and other platforms directly influence local pack rankings. Encourage satisfied customers to leave reviews, and respond to every one — it signals to Google that your business is active and engaged.

Chapter 6: Content Marketing — Earning Attention Continuously

Definition: Content marketing is the practice of creating and distributing valuable, relevant content to attract and engage your target audience — which in turn generates inbound links, social shares, and long-term organic traffic.

Four content formats that drive SEO results:

1. Blog Posts

Publish high-quality articles that target specific keywords your audience searches for. Consistency matters: a publishing cadence of even two posts per month outperforms sporadic bursts.

2. Guest Posts

Write articles for reputable websites in your industry. Benefits are dual: a backlink to your site and exposure to the host site's audience. Prioritise sites with genuine editorial standards.

3. Infographics

Visually appealing infographics communicate complex data in a scannable format. They are highly shareable and frequently attract backlinks when other sites embed them with credit.

4. Videos

Video increases average time-on-page — a positive engagement signal. Embed videos on key pages, host on YouTube (the world's second-largest search engine), and include keyword-rich titles, descriptions, and transcripts.

Chapter 7: Analytics and Monitoring — Measuring What Matters

Definition: Analytics is the ongoing practice of tracking, interpreting, and acting on data to understand how your SEO efforts are performing and where to improve.

Essential tools:

• Google Analytics — traffic sources, user behaviour, conversion tracking
• Google Search Console — keyword impressions, click-through rates, index coverage, Core Web Vitals
• SEMrush — keyword rank tracking, competitor analysis, site audit
• Ahrefs — backlink monitoring, keyword movement, content gap analysis

Four metrics every SEO practitioner tracks:

Chapter 8: Best Practices — Putting It All Together

Five habits that separate sites that rank from sites that don't:

1. Create high-quality content first. Every other technique amplifies good content. No technique rescues thin, duplicated, or unoriginal writing. Use a mix of text, images, videos, and infographics to serve different learning styles.

2. Optimise for User Experience (UX). Ensure clear navigation, obvious calls-to-action (CTAs), fast load times, and full accessibility on every device. Google measures how users behave on your site — time-on-page, pages per session, return visits — as implicit quality signals.

3. Keep up with SEO trends. Search algorithms update hundreds of times per year. Follow authoritative resources:

   • Moz Blog — clear, research-backed SEO guidance
   • Search Engine Journal — fast news on algorithm changes
   • Neil Patel — practical, conversion-focused tactics

4. Build a strong backlink profile deliberately. Focus on quality over quantity. Reach out to industry influencers and relevant sites for guest posting. Avoid purchased or spammy links — Google's Spam team actively penalises manipulative link schemes.

5. Monitor and adjust continuously. Review your performance in Google Search Console and Analytics monthly. Run A/B tests on title tags, meta descriptions, and page structure to find what drives click-through and engagement for your specific audience. SEO is not set-and-forget; it is an ongoing cycle of measure → learn → improve.

graph TD
    A[SEO Strategy] --> B[Keyword Research]
    A --> C[On-Page SEO]
    A --> D[Technical SEO]
    A --> E[Off-Page SEO]
    A --> F[Local SEO]
    A --> G[Content Marketing]
    A --> H[Analytics & Monitoring]
    H --> I{Analyse Results}
    I -->|Adjust| A

🧪 Try It Yourself

Task: Optimise the <head> section of a page about hiking boots for women.

Write a <title> tag and <meta name="description"> that:

• Target the keyword "women's waterproof hiking boots"
• Stay within the character limits (60 for title, 150–160 for description)
• Include a compelling reason to click

Starter snippet — complete the values:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title><!-- Write your title here (max 60 chars) --></title>
  <meta name="description" content="<!-- Write your meta description here (150–160 chars) -->">
</head>
<body>
  <h1>Women's Waterproof Hiking Boots</h1>
</body>
</html>

Success criterion: Count the characters in your title — it should be 60 or fewer. Run your description through any character counter — it should land between 150 and 160. Paste your page into Google's Rich Results Test or a browser to confirm the tags render correctly in the <head>.

🔍 Checkpoint Quiz

Q1. What is the difference between a short-tail keyword and a long-tail keyword, and when would you prioritise long-tail keywords?

Q2. Given the following HTML snippet, identify two SEO problems:

<title>Welcome to Our Website - We Sell the Best Products Online at Affordable Prices for Everyone</title>
<meta name="description" content="Buy stuff here.">
<img src="boot.jpg">

A) The title is too long; the description is too short; the image is missing alt text
B) The title is fine; the description needs more keywords; the image needs a caption
C) The title needs an H1 tag; the description should be in the body; alt text is optional
D) The description should go before the title; the image needs a title attribute instead

Q3. A local bakery ranks well nationally for "sourdough bread recipe" but doesn't appear when people in their city search "bakery near me." Which SEO pillar should they focus on, and name two specific actions they should take?

Q4. You publish a new blog post and notice in Google Search Console that it has high impressions (many people see it in results) but a very low click-through rate (CTR). What is the most likely cause, and what would you change first?

A) The page has a slow load time; fix it with a CDN
B) The title tag or meta description is uncompelling; rewrite them to be more relevant and enticing
C) The page has no backlinks; start a guest posting campaign
D) The page is blocked by robots.txt; update the file to allow crawling

A1. Short-tail keywords are broad (e.g., "shoes") — high search volume, high competition, harder to rank for. Long-tail keywords are specific (e.g., "women's waterproof trail running shoes size 8") — lower volume but lower competition and higher purchase intent. Prioritise long-tail when you are a newer or smaller site that cannot compete for broad terms, or when targeting users who are closer to making a decision.

A2. A) The title exceeds 60 characters (it runs to 91), meaning search engines will truncate it in results. The description "Buy stuff here." gives users no reason to click and wastes the 150–160 character opportunity. The <img> tag has no alt attribute, making it invisible to image search and inaccessible to screen readers.

A3. They should focus on Local SEO. Two specific actions: (1) Create and fully optimise a Google Business Profile listing with their correct name, address, phone number (NAP), hours, and photos; (2) Ensure NAP consistency — check that their business name, address, and phone are identical across every directory, social profile, and their own website footer.

A4. B) High impressions mean Google is showing the page for the right queries, but the title tag or meta description is not compelling users to click. The first fix is to rewrite the title and meta description to be more specific, keyword-aligned, and enticing — giving searchers a clear reason to choose this result over the others on the page.

🪞 Recap

• SEO is the practice of optimising your website to rank higher in SERPs and attract more organic (non-paid) traffic.
• The seven pillars are: keyword research, on-page SEO, technical SEO, off-page SEO, local SEO, content marketing, and analytics — each one reinforces the others.
• On-page fundamentals include title tags (≤60 chars), meta descriptions (150–160 chars), header tag hierarchy, clean URL structure, quality content, and descriptive image alt text.
• Technical SEO covers site speed, mobile-friendliness, XML sitemaps, robots.txt configuration, and HTTPS.
• SEO is a continuous cycle: publish, measure with Google Analytics and Search Console, analyse keyword rankings and bounce rates, then adjust — never a one-time task.

📚 Further Reading

• Google Search Central Documentation — the authoritative guide to how Google's crawlers and ranking systems work
• Moz Beginner's Guide to SEO — comprehensive, well-maintained introduction to every SEO pillar
• Google Search Console Help — official docs for the tool you'll use most to monitor your search performance
• Search Engine Journal — SEO — up-to-date coverage of algorithm changes and best-practice shifts
• ⬅️ Previous: Basics of Website Creation and Design
• ➡️ Next: About SEO: Types of SEO