301 Redirect

A permanent server-side redirect that sends users and search engines from one URL to another. It passes the majority of link equity from the old URL to the new one.

302 Redirect

A temporary server-side redirect that sends users and search engines to a different URL while signalling that the original URL should remain indexed.

404 Error

An HTTP status code indicating that the requested page doesn't exist on the server. It means the URL was valid at some point or was never set up, and the...

410 Gone

An HTTP status code that tells search engines a page has been permanently removed and won't be coming back. It's a stronger signal than a 404, which just...

Agentic Search

Agentic search is when AI systems go beyond retrieving information and autonomously take multi-step actions on a user's behalf — researching, comparing, and...

AI Agent

An AI agent is an autonomous system that perceives its environment, makes decisions, and takes actions to achieve a goal without step-by-step human...

AI Content (Google's Stance)

AI content is text, images, or other material generated using artificial intelligence tools. Google's official position is that it rewards high-quality...

AI Crawlers / LLM Crawlers

AI crawlers are bots deployed by AI companies to crawl websites for training data and real-time knowledge retrieval. Key crawlers include GPTBot (OpenAI),...

AI Hallucination

An AI hallucination is when an AI system generates false or fabricated information with apparent confidence, presenting invented details as fact. In SEO,...

AI Overviews

AI Overviews are Google's AI-generated summaries that appear at the top of search results, synthesising information from multiple sources to answer a query...

AI Search CTR Impact

AI Search CTR Impact refers to how AI-generated features — particularly Google's AI Overviews — affect click-through rates to organic results. Studies...

AI Training Data

AI training data is the large collection of text, images, code, and other content that large language models are trained on to develop their knowledge and...

Alt Text

A text description added to an image's HTML tag that describes what the image shows. It's read by screen readers for accessibility and by search engines to...

Anchor Text

The visible, clickable text in a hyperlink. It gives search engines and users context about what the linked page is about before they click through.

Answer Engine Optimisation (AEO)

Answer Engine Optimisation (AEO) is the practice of structuring and writing content so it gets selected as the source for AI-generated answers — in Google's...

Authoritative Source Signals

Authoritative source signals are the combination of factors that cause AI systems to trust, cite, and recommend a particular source. These include domain...

Backlink

A backlink is a hyperlink on another website that points to your site. Search engines treat backlinks as votes of confidence, using them to assess how...

Bing Copilot SEO

Bing Copilot SEO refers to strategies for appearing in Microsoft Copilot's AI-generated responses, which are powered by Bing's search index. Copilot is...

Bing Webmaster Tools

Microsoft's free webmaster platform for monitoring and optimising your site's presence in Bing search. It offers similar functionality to Google Search...

Bounce Rate

The percentage of visitors who land on a page and leave without interacting further or visiting another page. In GA4, it's the inverse of engagement rate,...

Brand Entity Optimisation

Brand entity optimisation is the practice of ensuring your brand is clearly defined and accurately represented as an entity in Google's Knowledge Graph and...

Brand Mentions (Unlinked)

Unlinked brand mentions are references to your brand name, products, or people across the web that don't include a hyperlink. They function as soft...

Breadcrumbs

A navigational element showing the hierarchical path from the homepage to the current page, typically displayed near the top of a page (e.g., Home >...

Broken Link Building

Broken link building is a tactic where you find dead links on other websites, create or identify a replacement resource on your site, and ask the webmaster...

Canonical Tag

An HTML element (rel="canonical") that tells search engines which version of a URL is the preferred or master copy. It consolidates ranking signals when...

Category Page SEO

Category page SEO is the optimisation of ecommerce collection or category pages to rank for broad, high-volume product searches. These pages list multiple...

ChatGPT Optimisation

ChatGPT optimisation refers to strategies that increase the likelihood of ChatGPT referencing or recommending your brand in its responses. It involves...

Citation Optimisation

Citation optimisation is the practice of structuring content so AI systems can easily extract it as a citable source. This means providing clear standalone...

Click-Through Rate

The percentage of people who click on your search result after seeing it in the SERP. Calculated by dividing clicks by impressions. A key metric for...

Client-Side Rendering

A rendering approach where the browser downloads a minimal HTML shell and JavaScript builds the page content after loading. The server sends an empty...

Content Audit

A comprehensive review of all content on your website to evaluate its performance, relevance, and quality. It identifies what to keep, update, consolidate,...

Content Calendar

A planning tool that schedules when content will be created, published, and promoted. It maps topics, keywords, authors, and deadlines to ensure consistent,...

Content Clusters

A content strategy where a central pillar page covers a broad topic and links to multiple related cluster pages that cover specific subtopics in depth. All...

Content Freshness

A ranking signal that favours recently published or updated content, particularly for queries where timeliness matters. Google's Query Deserves Freshness...

Content Gap Analysis

The process of identifying topics and keywords that your competitors rank for but you don't. It reveals opportunities where you're missing out on traffic...

Content Pruning

The process of removing, consolidating, or updating underperforming content on your website. It's about cutting dead weight so your remaining content...

Conversational AI

Conversational AI refers to AI systems designed for multi-turn dialogue — allowing users to ask follow-up questions, refine queries, and receive contextual...

Conversational Queries

Conversational queries are search queries written in natural language — phrased as if speaking to a person rather than a search engine. For example, 'what's...

Conversion Rate Optimisation

The systematic process of increasing the percentage of website visitors who complete a desired action, whether that's filling out a form, making a purchase,...

Core Web Vitals

A set of three Google metrics that measure real-world user experience: loading performance (LCP), visual stability (CLS), and interactivity (INP). They're...

Crawl Budget

The number of pages a search engine bot will crawl on your site within a given timeframe. It's determined by crawl rate limit (how fast the bot can go...

Crawlability

The ability of search engine bots to access and navigate through your website's pages. If a page isn't crawlable, it can't be indexed or ranked.

Cumulative Layout Shift (CLS)

A Core Web Vital that measures unexpected visual movement on a page as it loads. It quantifies how much content shifts around without user interaction....

Digital Brand Footprint

A digital brand footprint is the collective online presence of a brand across websites, social platforms, directories, media coverage, and AI citations. A...

Digital PR

Digital PR is a link building strategy that uses public relations techniques to earn high-authority backlinks from news outlets, publications, and industry...

Direct Answer Optimisation

Direct answer optimisation is structuring content so each section begins with a clear, concise, definitive answer to a specific question before expanding...

Disavow File

A disavow file is a text file you submit to Google Search Console that tells Google to ignore specific backlinks or entire domains when assessing your site....

Dofollow Link

A dofollow link is a standard hyperlink that passes link equity from the linking page to the linked page. By default, all links are dofollow unless a...

Domain Authority

Domain Authority is a metric developed by Moz that predicts how likely a website is to rank in search engine results. It scores domains on a scale of 1 to...

Duplicate Content

Identical or substantially similar content that appears at more than one URL, either within the same site or across different sites. It confuses search...

Dwell Time

The amount of time a user spends on a page after clicking through from a search result before returning to the SERP. It's a user engagement signal that...

E-E-A-T

Stands for Experience, Expertise, Authoritativeness, and Trustworthiness. It's the framework Google's quality raters use to evaluate content quality. Not a...

Entity SEO

Entity SEO is the practice of optimising content around entities — specific people, places, organisations, products, and concepts — that search engines and...

Faceted Navigation

A filtering system on e-commerce and listing sites that lets users refine results by attributes like size, colour, price, or brand. Each filter combination...

Faceted Navigation SEO

Faceted navigation SEO is the practice of managing filter-based navigation on ecommerce sites — things like colour, size, price, and brand filters — so that...

FAQ Schema

FAQ schema is structured data markup (JSON-LD) that formally labels question-and-answer content on a webpage, making it machine-readable. It helps search...

Featured Snippet

A highlighted search result that appears above the standard organic results, often called 'position zero'. It pulls content directly from a page to answer a...

GBP Categories

GBP categories are the predefined business types you select in Google Business Profile to describe what your business does. You choose one primary category...

GBP Posts

GBP Posts are short updates you publish directly to your Google Business Profile. They appear on your listing in Search and Maps and can include text,...

Gemini SEO

Gemini SEO refers to optimising content to appear in responses from Google Gemini — Google's AI model integrated into Search, Workspace, and Android....

Generative Engine Optimisation (GEO)

Generative Engine Optimisation (GEO) is the practice of optimising content and brand presence to appear in AI-generated responses across the full ecosystem...

Geo-Targeting

Geo-targeting is the practice of optimising content and campaigns to reach users in specific geographic areas. In SEO, it means creating signals that tell...

Google AI Mode

Google AI Mode is a dedicated AI-powered search interface enabling multi-step conversational queries with follow-ups, synthesising results from multiple...

Google Business Profile

Google Business Profile (formerly Google My Business) is a free tool that lets businesses manage how they appear on Google Search and Maps. It controls your...

Google Maps SEO

Google Maps SEO is the process of optimising your business listing to rank higher in Google Maps results. It overlaps heavily with local pack optimisation...

Google Search Console

Google's free tool for monitoring and troubleshooting your site's presence in Google Search results. It provides data on search performance, indexing...

Grounding (AI Context)

Grounding is the process by which AI systems anchor their responses to real, retrievable source material rather than generating answers from training data...

Guest Posting

Guest posting is writing and publishing an article on someone else's website in exchange for a backlink to your own site. It is one of the most common...

H1 Tag

The primary heading on a web page, defined by the HTML

element. It tells both users and search engines what the page is about at the highest level.

On Page Seo

Head Terms

Short, broad keywords of one or two words with very high search volume and intense competition. Examples include 'SEO', 'running shoes', or 'coffee maker'.

Heading Hierarchy

The structured order of headings on a page, from H1 through H6. It creates a logical outline that helps search engines understand content structure and...

Helpful Content System

Google's Helpful Content System assesses whether a website's content is genuinely created for people rather than primarily to rank in search engines. It can...

HowTo Schema

HowTo schema is structured data markup that formally labels step-by-step instructional content on a webpage. It helps search engines and AI systems identify...

Hreflang

An HTML attribute that tells search engines which language and regional version of a page to serve to users. It prevents duplicate content issues across...

HTTP Status Codes

Three-digit response codes returned by a server that indicate the result of a browser or bot's request. They tell crawlers whether a page loaded...

HTTPS

The secure version of HTTP that encrypts data between the browser and server using TLS/SSL. Google has confirmed HTTPS as a ranking signal since 2014.

Hub and Spoke Model

A site architecture pattern where a central hub page connects to multiple related spoke pages through internal links. It's the structural implementation of...

Image SEO

The practice of optimising images on a website so they rank in image search and contribute to overall page performance. It covers file names, alt text,...

IndexNow

An open protocol that lets website owners instantly notify participating search engines (Bing, Yandex, and others) when content is created, updated, or...

Inline Citation

An inline citation is a reference to a source embedded directly within AI-generated text, linking back to the original page. Tools like Perplexity, ChatGPT...

Intent Signals

Intent signals are the behavioural, contextual, and linguistic cues that search engines and AI systems use to determine what a user truly wants — beyond the...

Interaction to Next Paint (INP)

A Core Web Vital that measures the responsiveness of a page to user interactions like clicks, taps, and key presses. It replaced First Input Delay (FID) in...

Internal Linking

Links that connect one page on your website to another page on the same website. They distribute link equity, establish site hierarchy, and help search...

International SEO

International SEO is the process of optimising your website so search engines can identify which countries and languages your content targets. It covers...

JavaScript SEO

The practice of ensuring search engines can properly crawl, render, and index content generated or modified by JavaScript. As more sites rely on JS...

Keyword Density

The percentage of times a target keyword appears on a page relative to the total word count. It was once a core ranking factor but is now largely obsolete...

Keyword Difficulty

A metric provided by SEO tools that estimates how hard it would be to rank on the first page for a given keyword. It's typically scored from 0-100 based on...

Keyword Research

The process of discovering and analysing search terms that people enter into search engines. It forms the foundation of any SEO strategy by identifying what...

Keyword Stuffing

The practice of unnaturally repeating keywords on a page in an attempt to manipulate search rankings. Google explicitly considers this a spam tactic that...

Knowledge Graph

Google's Knowledge Graph is a vast structured database of entities — people, places, organisations, products, concepts — and the relationships between them....

Knowledge Panel

A Knowledge Panel is the information box that appears on the right side of Google search results when a recognised entity is searched, displaying key facts...

Large Language Model (LLM)

A large language model (LLM) is an AI system trained on vast amounts of text data to understand and generate human-like language. LLMs power ChatGPT,...

Largest Contentful Paint (LCP)

A Core Web Vital that measures how long it takes for the largest visible element (usually a hero image or heading block) to render on screen. Google...

Lazy Loading

A technique that delays loading non-critical resources (usually images and videos) until they're about to enter the user's viewport. Instead of loading...

Link Building

Link building is the practice of acquiring hyperlinks from external websites to your own. It is one of the core pillars of off-page SEO and directly...

Link Equity

Link equity (also called link juice) is the authority and ranking value that passes from one page to another through hyperlinks. It is the mechanism by...

Link Reclamation

Link reclamation is the process of recovering lost or broken backlinks that once pointed to your site. It also includes claiming unlinked brand mentions...

Link Velocity

Link velocity is the rate at which a website acquires new backlinks over a given period. It measures how quickly your backlink profile is growing or shrinking.

LLMO (Large Language Model Optimisation)

LLMO is an emerging term for optimising content and brand presence to appear in responses generated by large language models. Used interchangeably with GEO...

Local Citations

Local citations are online mentions of your business's name, address, and phone number on directories, websites, and platforms like Yelp, Yellow Pages, and...

Local Landing Pages

Local landing pages are dedicated pages on your website optimised for a specific location and service combination. They target search queries like 'plumber...

Local Pack

The local pack is the group of three business listings that appear at the top of Google search results for queries with local intent. It displays business...

Local Schema Markup

Local schema markup is structured data code (JSON-LD) added to your website that tells search engines exactly what your business is, where it is located,...

Local SEO

Local SEO is the practice of optimising your online presence to attract more business from relevant local searches. It focuses on ranking in Google's local...

Log File Analysis

The process of examining server log files to understand how search engine bots actually crawl your website. Log files record every request made to your...

Long-Tail Keywords

Longer, more specific search phrases that typically have lower individual search volume but higher conversion intent. They usually contain three or more...

MCP Client

An MCP client is the AI application or agent that connects to an MCP server to request data, tools, and capabilities via Anthropic's Model Context Protocol....

MCP Server (Model Context Protocol)

An MCP server implements Anthropic's Model Context Protocol, providing AI agents and LLMs with structured access to external data sources, APIs, and tools....

Merchant Centre

Google Merchant Centre is a platform where ecommerce businesses upload product data to power Google Shopping results, free product listings, and Shopping...

Meta Description

A short HTML attribute that summarises a page's content. It appears below the title tag in search engine results pages and influences whether someone clicks...

Meta Robots Tag

An HTML meta tag placed in the head of a page that gives search engines directives about indexing and link following. Common values include noindex,...

Mobile-First Indexing

Google's approach of using the mobile version of your site's content for indexing and ranking. Since 2023, Google crawls and indexes exclusively with its...

Multi-Location SEO

Multi-location SEO is the strategy of optimising a business with multiple physical locations or service areas to rank in local search results for each...

Multimodal Search

Multimodal search is AI-powered search that processes multiple types of input simultaneously — text, images, video, audio, and documents. Google Lens,...

NAP Consistency

NAP consistency means ensuring your business Name, Address, and Phone number are identical across every online listing, directory, and citation. Even small...

Natural Language Generation (NLG)

Natural Language Generation (NLG) is the AI capability to produce human-like text from structured data, prompts, or retrieved content. NLG powers AI writing...

Nofollow Attribute

A link attribute (rel="nofollow") that tells search engines not to pass ranking signals (link equity) through a specific link. Google treats it as a hint...

Nofollow Link

A nofollow link includes a rel="nofollow" attribute that tells search engines not to pass link equity through the hyperlink. It was originally introduced to...

Noindex Tag

A meta tag or HTTP header directive that tells search engines not to include a specific page in their index. Unlike robots.txt, which prevents crawling,...

Organic Traffic

Visitors who land on your website through unpaid search engine results. It excludes traffic from paid ads, social media, direct visits, and referral links.

Orphan Pages

Pages on your site that have no internal links pointing to them. They exist on the server and may be indexed, but they're disconnected from your site's link...

Out-of-Stock Page Strategy

Out-of-stock page strategy is how you handle product pages when items become temporarily or permanently unavailable. The right approach preserves SEO value...

Page Authority

Page Authority is a Moz metric that predicts how well a specific page will rank in search results. It works like Domain Authority but scopes the score to an...

Page Speed

How fast a web page loads and becomes interactive for users. It encompasses multiple metrics including server response time, resource loading, rendering,...

Pagination

The practice of splitting content or listings across multiple pages, typically with numbered page links (Page 1, 2, 3...). Common on category pages, blog...

Passage Indexing

Passage indexing (also called passage ranking) is Google's ability to identify and rank specific passages within a long-form page as the most relevant...

Perplexity SEO

Perplexity SEO refers to optimising content to appear as a cited source in Perplexity AI's responses. Unlike Google, Perplexity displays source citations...

Pillar Page

A comprehensive, long-form page that broadly covers a core topic and links out to more detailed cluster content on specific subtopics. It serves as the...

Pogo-Sticking

When a user clicks a search result, quickly returns to the SERP, and clicks a different result. It's a strong negative signal that tells Google the first...

Predictive Search

Predictive search is AI's ability to anticipate what a user is searching for before they finish typing, or to proactively surface relevant content based on...

Product Feed Optimisation

Product feed optimisation is the process of improving the quality and completeness of the product data you submit to Google Merchant Centre. It directly...

Product Page SEO

Product page SEO is the optimisation of individual product pages to rank for specific, long-tail product searches. It covers everything from unique product...

Product Schema

Product schema is structured data markup that tells search engines detailed information about a product — its name, price, availability, reviews, and...

Prompt Engineering (SEO Context)

In SEO, prompt engineering means structuring content so it aligns with how AI models process and extract information when responding to user prompts. The...

Proximity Factor

The proximity factor is the geographic distance between the searcher's location and a business. It is one of Google's three core local ranking signals...

Query Fan-Out

Query fan-out is when AI search systems — particularly Google AI Mode — break a complex user query into multiple parallel sub-queries, retrieve results for...

Question-and-Answer Content Format

The Q&A content format structures each major section of a page with an explicit question as the heading, followed immediately by a direct answer in the...

Reddit SEO / Social Forum Signals

Reddit SEO is the practice of understanding and influencing how Reddit content ranks in Google search results and is used as source material by AI systems....

Redirect Chains

A sequence of multiple redirects between the original URL and the final destination (e.g., URL A redirects to B, which redirects to C, which redirects to...

Referring Domains

Referring domains are the unique websites that link to your site. If one website links to you ten times, that counts as one referring domain but ten backlinks.

Render-Blocking Resources

CSS files and JavaScript files that prevent a page from displaying content until they've finished loading and parsing. They block the browser's rendering...

Retrieval-Augmented Generation (RAG)

Retrieval-Augmented Generation (RAG) is a technique where AI systems retrieve real-time information from the web or a database before generating a response,...

Review Schema

Review schema is structured data markup that communicates customer review and rating information to search engines. It enables star ratings and review...

Reviews and Ratings

Reviews and ratings are customer feedback left on platforms like Google, Yelp, and Facebook. In local SEO, Google reviews on your Business Profile carry the...

Rich Results

Enhanced search results that display extra visual information beyond the standard blue link, such as star ratings, images, FAQs, prices, or recipe cards....

Robots.txt

A plain text file placed at the root of your domain that tells search engine crawlers which pages or sections of your site they're allowed or disallowed...

Schema Markup

A specific vocabulary of tags (from schema.org) used to create structured data. It defines entities and their properties, like a product's price, a recipe's...

Search Everywhere Optimisation

Search everywhere optimisation is the strategic recognition that users now search across a wide ecosystem beyond Google — including TikTok, YouTube, Reddit,...

Search Intent

The underlying purpose behind a search query. It's what the user actually wants to achieve when they type something into Google. The four main types are...

Search Volume

The average number of times a keyword is searched per month. It indicates the potential traffic opportunity for ranking for that term.

SearchGPT / ChatGPT Search

SearchGPT (now called ChatGPT Search) is OpenAI's search-integrated version of ChatGPT that retrieves and cites live web results alongside AI-generated...

Semantic Search

Semantic search is search technology that understands the meaning and context of a query rather than matching exact keywords. Powered by NLP models...

SERP

Search Engine Results Page. The page Google displays after a user submits a search query. It includes organic results, paid ads, featured snippets,...

Server-Side Rendering

A technique where the server generates the full HTML for a page before sending it to the browser. The user (or bot) receives a complete, ready-to-read page...

Service Area Business

A Service Area Business (SAB) is a business that travels to customers rather than receiving them at a fixed storefront. Plumbers, cleaners, and mobile...

SGE (Search Generative Experience)

SGE (Search Generative Experience) was Google's AI-powered search experience launched in beta in May 2023 via Google Labs. In May 2024, SGE was rebranded as...

Share of Model

Share of Model is the percentage of AI-generated responses in which a brand is mentioned or recommended across a defined set of queries. It's the AI search...

Shopping Ads

Shopping Ads (also called Product Listing Ads or PLAs) are paid advertisements that display product images, prices, and store names at the top of Google...

Speakable Schema

Speakable schema is structured data that marks specific sections of a page as suitable for text-to-speech playback, used by Google Assistant and other voice...

SSL Certificate

A digital certificate that authenticates a website's identity and enables encrypted connections (HTTPS). It's issued by a Certificate Authority (CA) and...

Structured Data

Code added to your pages in a standardised format (usually JSON-LD) that helps search engines understand your content. It provides explicit context about...

Thin Content

Pages that provide little or no unique value to users. This includes extremely short pages, auto-generated content, doorway pages, and pages that simply...

Title Tag

The HTML element that defines the title of a web page. It appears in browser tabs, search engine results as the clickable headline, and social media shares.

Topical Authority

The degree to which a website is recognised as a credible, comprehensive source on a specific topic. It's built by creating deep, interlinked content that...

Toxic Backlinks

Toxic backlinks are low-quality or spammy links pointing to your site that can harm your search rankings. They typically come from link farms, private blog...

Universal AI Adapter

A Universal AI Adapter is a standardised interface that allows AI systems to connect with and extract data from websites and applications uniformly. As AI...

URL Parameters

Query strings appended to URLs after a question mark (e.g., ?sort=price&color=blue) that modify the page content, filter results, or track sessions. They...

User Signals

Behavioural metrics that indicate how users interact with your site and search results. These include click-through rate, dwell time, bounce rate, and...

Vector Database

A vector database stores and searches vector embeddings — numerical representations of text or images that capture semantic meaning. AI search tools and RAG...

Vector Embedding

A vector embedding is a mathematical representation of text, images, or other content as a series of numbers that captures semantic meaning. AI search...

Voice Search Optimisation

Voice search optimisation is structuring content to perform well in spoken queries submitted through voice assistants including Siri, Google Assistant,...

Wikidata / Structured Entity Databases

Wikidata is a free, open, structured database where entities — companies, people, concepts, locations — are formally described with attributes and...

XML Sitemap

An XML file that lists the URLs on your site you want search engines to crawl and index. It includes metadata like last modification date and priority hints.

YMYL (Your Money Your Life)

YMYL is Google's classification for topics where inaccurate information could significantly harm a user's health, finances, safety, or wellbeing. Categories...

You.com SEO

You.com SEO refers to optimising content to appear in results from You.com, an AI-powered search engine that combines traditional web results with...