SEO Wiki
Short definitions are useful. But when you're fixing rankings, you usually need the details. This wiki expands our glossary into practical, example-driven notes.
AEO (Answer Engine Optimization): How to rank for direct answers
AEO is the practice of optimizing content to appear as direct answers in search engines, featured snippets, voice search, and AI chatbots.
GEO (Generative Engine Optimization): How to rank in AI-powered search
GEO is the practice of optimizing content to appear in AI-generated search responses from Google SGE, ChatGPT, Perplexity, and other generative engines.
Image Optimization: How to speed up your site without losing quality
Image optimization reduces file size while preserving visual quality. Learn compression formats, responsive images, lazy loading, and Core Web Vitals impact.
Junk Content: What it is, why it hurts SEO, and how to clean it up
Junk content is low-value text that bloats pages and confuses search engines. Learn how to identify, remove, and prevent it without losing useful information.
Link Building: A practical guide to earning quality backlinks in 2026
Link building remains a core ranking factor. Learn proven strategies for earning quality backlinks, avoiding toxic links, and measuring link profile health.
Local SEO: How to rank your business in local search results
Local SEO helps businesses appear in local search results and Google Maps. Learn GBP optimization, citation building, and local ranking factors.
Long-tail Keywords: Why specific phrases convert better than broad terms
Long-tail keywords are longer, more specific search phrases with lower competition and higher conversion rates. Learn how to find and target them effectively.
Meta Description: How to write snippets that earn clicks
Meta descriptions don't directly affect rankings but heavily influence click-through rates. Learn how to write compelling, accurate descriptions that convert.
Meta Tags: The complete guide to HTML metadata for SEO
Meta tags provide search engines with information about your pages. Learn which tags matter, which don't, and how to implement them correctly.
Mobile-First Indexing: Why your mobile site is your ranking site
Google uses the mobile version of your site for indexing and ranking. Learn how to ensure your mobile experience delivers equal content, structured data, and metadata.
Query Fan-out: How AI Search Expands Your Content's Reach
Learn how Google's query fan-out technique works in AI search and what it means for your content strategy and SEO optimization.
RAG (Retrieval-Augmented Generation): How AI Search Finds and Uses Your Content
Learn how Retrieval-Augmented Generation works in Google Search and why it matters for your content's visibility in AI-powered search results.
Scaled Content Abuse: Google's Spam Policy on Mass-Produced Content
Learn what scaled content abuse is, how Google detects it, and how to avoid violating this critical spam policy in your SEO strategy.
AI SEO: The Future of Search Engine Optimization
Discover how artificial intelligence is transforming SEO and learn strategies to leverage AI tools for better search rankings and content optimization.
E-E-A-T: Experience, Expertise, Authority, Trustworthiness in SEO
E-E-A-T is Google's updated framework for evaluating content quality. Learn how to demonstrate experience, expertise, authority, and trustworthiness to improve your rankings.
Engagement Rate: How User Interaction Affects SEO
Engagement rate measures how users interact with your content. Learn how metrics like bounce rate, time on page, and click-through rate impact your SEO.
External Link: How Outbound Links Impact SEO
External links are hyperlinks that point to other websites. Learn how outbound links can improve your SEO, establish authority, and enhance user experience.
Featured Snippet: How to Rank in Google's Position Zero
Featured snippets are the highlighted answers that appear at the top of Google search results. Learn how to optimize your content to earn this highly visible position.
Footer: How to Optimize Your Website Footer for SEO
Your website footer is more than just a place for copyright information. Learn how to optimize your footer for SEO, user experience, and conversion.
Freshness: How Content Freshness Impacts SEO
Freshness is a ranking factor that considers how recent your content is. Learn how to optimize your content for freshness and when it matters most.
Gateway Page: What They Are and Why They're Bad for SEO
Gateway pages are low-quality pages created solely for search engines. Learn why they're considered spam and how to avoid penalties.
Geo Targeting: How to Optimize Your Website for Local SEO
Geo targeting helps you reach users in specific locations. Learn how to optimize your website for local search and improve your local SEO rankings.
LLM Search Optimization: Optimizing for Large Language Model Search
Learn how to optimize your content for large language model search and generative AI platforms to improve visibility in AI-powered search results.
Multilingual SEO: Optimizing for Global Audiences
Learn how to optimize your website for multiple languages and regions, reaching global audiences while maintaining strong search rankings.
Dofollow link: what it means (and why it's a misleading term)
Dofollow isn't an official attribute. Learn how link equity works, what nofollow really does today, and how to audit your links.
Duplicate content: what it is, why it happens, and how to fix it
Duplicate content confuses indexing and can split ranking signals. Learn common duplicate patterns and practical fixes using canonical, redirects, and internal linking.
Domain Authority: what it is (Moz), what it isn't (Google), and how to use it
Domain Authority (DA) is a Moz metric, not a Google ranking factor. Learn how to interpret DA/DR-style scores without fooling yourself.
CTR (click-through rate): what it measures and how to improve it safely
CTR is the percentage of impressions that become clicks. Learn what affects CTR in Google Search and how to improve titles, snippets, and intent match.
Crawling: how search engines discover pages (and what blocks them)
Crawling is how bots discover your pages. Learn crawl paths, crawl budget basics, and common blockers like robots.txt, noindex, and soft 404s.
Breadcrumbs in SEO: navigation, UX, and structured data
Breadcrumbs help users and crawlers understand site structure. Learn when to use breadcrumbs, how to mark them up, and common implementation mistakes.
Bounce rate: what it means, what it doesn't, and how to interpret it in SEO
Bounce rate is often misunderstood. Learn when it signals a real problem, when it's normal, and how to diagnose the underlying UX issues.
Backlink: what it is, what makes it valuable, and what makes it risky
Backlinks still matter, but not all links are equal. Learn what makes a backlink helpful, how anchor text plays in, and red flags to avoid.
Anchor text: how link text influences SEO (and how to avoid over-optimization)
Anchor text is the clickable text in a link. Learn practical anchor text patterns for internal and external links, plus common mistakes.
Search algorithm: what it means in SEO (and what it doesn't)
In SEO, an algorithm is the system that decides what ranks. Learn how to think about algorithms, signals, and updates without chasing myths.
Googlebot: how the search crawler works (and how to work with it)
Learn how Googlebot crawls sites, what limits and priorities it uses, and how to check crawl issues without guesswork.
Heading tags (H1-H6): how to use them for structure, not tricks
Learn how headings work for accessibility and SEO, what not to do, and how to audit heading structure on any page.
HTTP status codes: what 200, 301, 404, and 500 mean for SEO
Understand the status codes that matter most for crawlability, indexing, and user experience.
Indexing: how Google stores (and uses) your pages
Learn the difference between crawling and indexing, what stops indexing, and how to check index coverage.
Internal links: how they help crawlability and discovery
Internal links connect your pages to each other. Learn how to use them wisely for better crawl depth and user flow.
JavaScript SEO: making sure Google renders your content
Learn how Google renders JavaScript, what breaks indexing, and how to test if your JS content is visible.
JSON-LD: structured data for rich results and understanding
Learn how JSON-LD works, what schema types to use, and how to test your structured data.
Keyword density: why percentages don't matter, but natural writing does
Learn what keyword density is, why old rules about percentages are bad advice, and how to write naturally without stuffing.
Keyword stuffing: what it is, why it backfires, and how to avoid it
Keyword stuffing used to work. Now it hurts your site. Learn how to spot it and write naturally instead.
Keywords: how searchers talk, and how to match intent
Keywords are the bridge between your content and what searchers are looking for. Learn how to think about them without obsessing.
Alt text: what it is, why it matters, and how to write it
Alt text helps search engines and screen readers understand images. Learn how to write useful, non-spammy alt text with examples and quick audits.