SEO Glossary

Comparing two versions of a web page, ad, or email to determine which performs better in conversions or engagement.

The portion of a web page visible without scrolling. Critical content and CTAs should appear here for maximum visibility.

Systems and policies that determine who can access resources and what actions they can perform.

Designing websites so that all users, including those with disabilities, can navigate and interact easily. Also a ranking and UX consideration.

The source through which users find your website - such as organic search, paid search, social media, or referrals.

Cost Per Acquisition - the average amount spent to generate one booking, enquiry or conversion.

Additional information shown with Google Ads, such as call buttons, sitelinks, or price listings. Increases ad visibility and CTR.

The position of a paid ad on the search results page, determined by bid amount, ad quality, and relevance.

A web design approach that adjusts layouts to predefined screen sizes rather than fluidly scaling like responsive design.

A source reference shown in AI-generated answers that attributes information to a specific webpage, publisher, or document.

Techniques to anchor AI outputs in verified sources and facts, reducing hallucinations and improving reliability.

When an AI model generates plausible-sounding but factually incorrect or fabricated information.

Google’s AI‑generated answer modules that summarise information from multiple sources directly in the search results, often with links to cited pages.

Collaborating with AI coding assistants (like GitHub Copilot) to write, review, and improve code.

A specialised index optimised for AI-powered search, often combining traditional search with vector embeddings.

Automated notifications triggered when metrics cross thresholds or anomalies are detected.

A complex system used by search engines to retrieve data and deliver results for a query. Google uses multiple algorithms to rank websites.

Changes made to a search engine’s ranking algorithms that can impact website visibility and traffic.

Alternative text that describes an image. Important for accessibility and helps search engines understand image content.

A framework that enables ultra-fast loading of mobile pages by simplifying HTML and limiting scripts.

A link that jumps to a specific section of the same page, improving navigation and UX for long pages.

The clickable text in a hyperlink. Using descriptive anchor text helps search engines understand the linked page's content.

Automated identification of unusual patterns in data, flagging potential issues or opportunities for review.

Website visits where user data or referrer information is not available due to privacy settings or tracking restrictions.

The practice of structuring content, entities and technical signals so that answer engines and AI features like AI Overviews can safely reuse your information in direct answers.

Hard limits on total API usage over a billing period, often tied to pricing tiers.

Restrictions on how many API requests can be made within a time period, requiring throttling and retry logic.

A rule that determines how credit for conversions is assigned to different marketing touchpoints (e.g., first click, last click, data-driven).

Dividing potential guests into groups based on behaviour, demographics, or interests to tailor marketing messages.

Records of system events and user actions, essential for security monitoring, debugging, and compliance.

A measure of a site’s credibility and trustworthiness, influenced by backlinks, brand reputation, and quality content.

A Google Ads feature that automatically appends tracking parameters to URLs for easier analytics integration.

Pre-configured conditions in ad platforms that trigger actions like pausing ads or adjusting bids automatically.

A hotel performance metric showing the average income per paid room occupied in a given time period.

A metric indicating where a page typically ranks in search results for a given query. Replaced by average ranking in GA4.

Tasks executed asynchronously outside the main request flow, such as sending emails or processing data.

An incoming link from another website to your site. High-quality backlinks are a major ranking factor.

The collection of all inbound links pointing to a website. A healthy profile has diverse, high-quality sources.

A report in analytics tools showing how users navigate between pages and where they drop off.

Using algorithms or rules to automatically adjust bids based on performance, time, or competitive signals.

A rule or algorithm that automates how much you bid in PPC auctions to maximise clicks, conversions, or ROI.

Unethical SEO practices that violate search engine guidelines. Can result in penalties or de-indexing.

An online reservation system that allows hotels to take direct bookings through their website, usually integrated with PMS or channel managers.

The journey from awareness to reservation. Includes discovery, consideration, booking, and post-stay loyalty stages.

The number of days between when a guest books and their arrival date - valuable for campaign timing and segmentation.

A single-page session with no interaction. High bounce rates can signal poor UX, irrelevant content, or slow loading times.

The percentage of visitors who leave your site after viewing only one page. High bounce rates may indicate poor user experience.

An increase in brand awareness or preference after a marketing campaign, measured through surveys or search volume.

Searches that include a hotel’s brand name or branded variations (for example, “Hotel Aurora Edinburgh”). Often a key indicator of marketing demand.

A navigational aid that shows users their location within a website hierarchy and helps search engines understand structure.

The range of topics covered by a site within its niche. A broad, interlinked content base improves topical authority.

A hyperlink that no longer works because the destination page has been deleted or moved. Damages UX and SEO value.

Controlling ad spend distribution throughout a campaign period to avoid early exhaustion or underspend.

The strategic decision between developing custom solutions or purchasing existing products and services.

Generating HTML at build time (static site generation) rather than on each request, improving performance and SEO.

Temporary storage of website data in a browser or CDN to improve load speed and reduce server requests.

The process of removing or updating cached content when source data changes, ensuring users see fresh content.

A prompt encouraging users to take a specific action, such as ‘Book Now’, ‘Check Availability’, or ‘View Offers’.

HTML tag indicating the preferred URL when duplicate or similar pages exist. Helps consolidate SEO signals.

The preferred version of a web page when multiple URLs have similar content. Prevents duplicate content issues.

The process of consolidating duplicate URLs to one preferred version for indexing.

Planning and optimising Content Delivery Network usage to serve assets from geographically distributed servers for speed.

Software that synchronises a hotel’s room availability and rates across booking platforms (OTAs) and its direct booking engine.

Automated messaging tool used to assist users, answer questions, or guide them through booking.

Continuous Integration and Continuous Deployment - automated workflows for building, testing, and deploying code changes.

A measure of how reliably an AI system can attribute generated content to source documents, important for AI Overviews.

The practice of structuring content, evidence, and page architecture to increase the likelihood of accurate inclusion in AI citations.

A visual report showing where users click most frequently on a web page.

A Google Ads metric showing the percentage of possible clicks your ads received compared to the total available in the market.

The percentage of people who click your link after seeing it in search results. Higher CTR indicates compelling titles and descriptions.

Computing resources (servers, storage, networking) delivered via the cloud, enabling scalable and flexible deployments.

A content model that connects related pages around a central ‘pillar’ topic to build topical authority.

Using AI or tools to automatically produce code from specifications, templates, or natural language descriptions.

The initial latency when a serverless function or container starts up after being idle, affecting response times.

A set of pre-built UI components that can be composed to build interfaces quickly and consistently.

Packaging applications with their dependencies into isolated containers (e.g., Docker) for consistent deployment across environments.

An interface for programmatically accessing and managing content, enabling decoupled architectures.

The gradual loss of organic traffic as content becomes outdated or overtaken by competitors.

A topic or keyword competitors rank for but your site does not, representing an opportunity for new content.

Technical standards for verifying the origin and authenticity of digital content, increasingly important for AI-generated media.

The time between a user’s first interaction and when they finally convert, often measured in days.

The percentage of visitors who complete a desired action, such as booking a room or signing up for offers.

The process of measuring specific actions users take after interacting with your site or ads, often via GA4 or Tag Manager.

Google's metrics for measuring user experience: loading speed (LCP), interactivity (FID), and visual stability (CLS).

The amount paid each time someone clicks on a paid search ad. Determined by bidding and competition.

The number of pages search engine bots will crawl on your site within a given timeframe. Important for large websites.

Problems encountered by search engine bots when trying to access pages, often due to broken links or blocked resources.

The list of URLs search engines intend to crawl next, managed dynamically based on site authority and freshness.

Improving website elements to increase the likelihood of visitors completing desired actions such as bookings or enquiries.

Time-based scheduled tasks that run automatically at specified intervals on servers or cloud platforms.

The ability to identify users who interact across multiple devices - e.g., mobile search, then desktop booking.

The code language used to control the look and layout of HTML pages.

The sequence of interactions a potential guest has before making a booking, from search to post-stay follow-up.

The total revenue a hotel can expect from a guest throughout their entire relationship with the brand.

Augmenting existing data with additional information from external sources or APIs.

A structured JavaScript object used to pass information to Google Tag Manager and analytics platforms.

Organising database tables to reduce redundancy and improve data integrity through structured relationships.

Requirements specifying where data must be physically stored, often driven by regulatory compliance.

A centralised repository for structured data from multiple sources, optimised for analytics and reporting.

An attribution model that uses machine learning to assign conversion credit across multiple touchpoints.

A hyperlink that points to a specific internal page (like a room type or offer) rather than the homepage.

A collection of reusable components, guidelines, and standards for building consistent user interfaces.

The landing page where visitors arrive after clicking an ad or link - typically optimised for conversions.

Reservations made directly via a hotel’s owned channels (website, call centre, app) rather than through OTAs or intermediaries.

A file submitted to Google to ignore specific backlinks considered harmful or spammy.

Visual advertisements shown across websites, apps, or YouTube via the Google Display Network.

A score (1-100) predicting how well a website will rank. Higher DA indicates stronger ranking potential.

Identical or very similar content appearing on multiple URLs. Can confuse search engines and dilute ranking signals.

When multiple pages use the same title tag, making it difficult for search engines to differentiate them.

Adjusting room rates in real time based on demand, seasonality, and competitor pricing.

Experience, Expertise, Authoritativeness and Trustworthiness - Google’s framework for evaluating the quality and reliability of content and creators.

Processing data closer to users at network edges rather than centralised data centres, reducing latency.

Numerical representations of text, images, or other data that capture semantic meaning, enabling similarity search and machine learning.

A GA4 metric measuring user interactions (clicks, scrolls, conversions) during a session.

A GA4 metric describing sessions that last longer than 10 seconds, have a conversion, or involve multiple page views.

A clearly defined person, place, organisation or concept that search engines can understand and connect across the web (for example, a specific business, brand or neighbourhood).

Connecting text or content to recognised entities in databases like Wikidata or the Knowledge Graph.

The prominence or importance of an entity within content, used by search engines to understand topic focus.

The acceptable amount of unreliability in a system, balancing feature velocity against stability targets.

Extract, Transform, Load - processes for moving and transforming data between systems. ELT loads raw data first, then transforms.

Recording user interactions such as form submissions, video plays, or link clicks for performance analysis.

A design pattern where systems communicate through events, enabling loose coupling and real-time processing.

Content that remains relevant over time, such as ‘How to Choose a Hotel in Edinburgh’.

Technology that detects when a user is about to leave a page, often triggering a pop-up or offer.

The percentage of users leaving your site from a specific page. High exit rates on key pages may indicate friction.

Content focused on emotions and storytelling - for example, videos or imagery that showcase a hotel’s atmosphere.

A hyperlink pointing from your website to another domain. Adds credibility when linking to authoritative sources.

A page or section that lists frequently asked questions and answers. For hotels, this often covers policies, facilities and booking details.

Structured data that marks up question‑and‑answer content so search engines can show FAQs directly in search results where eligible.

Toggles that enable or disable features without deploying new code, supporting gradual rollouts and testing.

A search result enhancement showing ratings and review summaries from structured data or trusted platforms.

A highlighted search result that appears above organic results. Provides a direct answer to user queries.

Adapting a pre-trained AI model to a specific task or domain by training it on additional specialised data.

A Core Web Vitals metric measuring responsiveness, how quickly a page reacts to user interactions.

Links placed at the bottom of a website, often for secondary navigation or legal pages.

A ranking factor reflecting how recently a page was published or updated - crucial for event or offer pages.

The latest version of Google Analytics, based on event-driven tracking across web and app platforms.

Adherence to the General Data Protection Regulation, the EU law governing data privacy and user rights.

A strategy for improving how brands are discovered, interpreted, and cited in AI-generated answers by combining technical SEO, entity clarity, and conversion-focused content architecture.

Optimising content and entities for generative search experiences that blend information from many sources, focusing on clarity, authority and safe reusability.

Delivering content or ads based on a user’s geographic location.

Google’s advertising platform for search, display, video, and remarketing campaigns.

JavaScript code that automates tasks in Google Ads, from reporting to bid adjustments and alerts.

Free listing that appears in Google Maps and local search results. Essential for local SEO.

A paid advertising product that displays a hotel’s rates and availability directly in Google Search and Maps results.

User-generated feedback and ratings on sites like Google, Booking.com, or TripAdvisor. Strong SEO and conversion signals.

An advanced programmatic advertising method allowing multiple ad exchanges to bid simultaneously for impressions.

HTML tags (H1-H6) used to structure content. H1 is the main title, with H2-H6 for subheadings.

A content management system that provides content via API without dictating frontend presentation.

A visual representation of where users click or scroll on a page, used to identify engagement patterns.

The top section of a webpage, usually with a large image or video and a clear headline or CTA.

A rich result in Google Search showing key hotel info, reviews, photos, and rates aggregated from various sources.

HTML tag that indicates the language and regional targeting of a page for multilingual or international SEO.

Optimising content and signals to target users searching within a very small geographic area, like a city block.

A Google Ads metric showing the percentage of times your ads appeared versus how often they could have appeared.

A Google Ads metric showing how often your ads were not shown due to budget limitations.

The database where search engines store information about web pages. Getting indexed is necessary to appear in search results.

A behavioural signal indicating that a user is researching and comparing options, inferred from search or browsing patterns.

A deliberate plan for connecting related pages internally to strengthen topical clusters and SEO authority.

Links between pages on the same website that help users navigate and help search engines understand site structure and priority content.

A full-screen pop-up that appears before users reach a page. Excessive use can harm UX and SEO.

A Next.js feature that updates static pages after deployment without rebuilding the entire site.

Optimising sites built with JavaScript frameworks to ensure search engines can crawl and render content correctly.

A JavaScript-based format for adding structured data markup to web pages, preferred by Google.

Words or phrases users type into search engines. Targeting the right keywords is fundamental to SEO success.

When multiple pages compete for the same keyword, confusing search engines and weakening rankings.

The percentage of times a keyword appears on a page. Overuse can be seen as spam; aim for natural usage.

A structured database used by search engines to store and connect entities and their attributes, powering rich results and answer experiences.

A measurable value that indicates how effectively marketing goals are being achieved.

An open-source platform for automating deployment, scaling, and management of containerised applications.

A standalone page created for a specific marketing campaign or offer, focused on conversions.

A type of AI model trained on vast text data to understand and generate human-like language, powering chatbots, content tools, and search features.

The maximum acceptable response time for an AI system or API call, critical for user experience in real-time applications.

A Google Ads extension allowing users to submit enquiries directly from the ad interface.

An open-source Google tool that audits web pages for performance, accessibility, and SEO best practices.

The process of acquiring backlinks from other websites. A core component of off-page SEO.

The process of identifying and removing or disavowing harmful backlinks that may hurt rankings.

The SEO value passed through hyperlinks. Internal and external links distribute authority across pages.

A specific physical business location (such as an individual hotel or resort) understood as an entity, with its own name, address, phone and attributes.

The map and three business listings that appear for local searches. Highly visible and valuable for local businesses.

The perceived credibility and prominence of a local business entity, built through reviews, citations, and engagement.

Longer, more specific keyword phrases. Usually have lower search volume but higher conversion rates.

Google’s dashboard platform for visualising marketing data from multiple sources, including GA4 and Ads.

A penalty applied by Google when a site violates webmaster guidelines, usually due to spammy or manipulative practices.

Systems that store and forward messages between applications, enabling asynchronous processing and decoupling.

A brief summary of a page's content that appears in search results. Should be compelling and include target keywords.

An HTML tag that controls how search engines index and follow links on a page.

HTML elements that describe a page’s metadata such as title, description, and robots instructions.

A short, intent-rich moment when a user turns to a device for quick information, like ‘marketing agency near me now’.

The process of removing unnecessary code characters (spaces, line breaks) to improve page speed.

Google’s practice of primarily using the mobile version of content for indexing and ranking.

Gradual degradation in AI model performance over time as real-world data patterns change from the original training data.

A single repository containing multiple projects or packages, enabling shared tooling and atomic changes.

A system design where a single instance serves multiple customers (tenants) with data isolation.

Marketing approach combining multiple channels (SEO, PPC, email, social) for unified brand visibility.

Name, Address, Phone number. Consistency across all online listings is crucial for local SEO.

How many clicks it takes to reach a page from the homepage. Shallow structures improve crawlability and UX.

Words that prevent your Google Ads from appearing for irrelevant searches, improving efficiency and ROI.

A link with a rel="nofollow" attribute that tells search engines not to pass authority. Used for paid or untrusted links.

Non-relational databases designed for flexibility and scale, including document stores, key-value stores, and graph databases.

The ability to understand a system's internal state through its outputs - logs, metrics, and traces.

Unpaid search results that appear based on relevance to the search query. The primary focus of SEO efforts.

The frequency and prominence of a website’s appearance in unpaid search results.

A score predicting how well an individual page will rank in search results, based on links and other factors.

A Google ranking signal based on Core Web Vitals, mobile usability, HTTPS, and intrusive interstitials.

How quickly a web page loads. A critical ranking factor and user experience metric.

Dividing long lists of content or products across multiple pages, using rel=‘next’ and rel=‘prev’ tags for SEO clarity.

Advertising that appears in search results, typically run via Google Ads or Bing Ads.

A design technique where background elements move slower than foreground content, creating a depth effect.

Authorised simulated attacks on systems to identify security vulnerabilities before malicious actors do.

A comprehensive page that covers a core topic and links to detailed cluster pages on subtopics.

Monitoring how specific keywords rank in search results over time.

Automated message sent to guests after departure, often requesting a review or promoting repeat stays.

Search functionality that suggests results as users type, improving UX and conversion potential.

Building web experiences that work for everyone, then adding enhanced features for capable browsers.

The practice of crafting effective prompts to guide AI models toward desired outputs, a key skill for working with LLMs.

The underlying goal behind an AI or search prompt, such as research, comparison, implementation, or purchase decision support.

Software used by hotels to manage reservations, check-ins, billing, and housekeeping operations.

Structured data type specifically describing hotels or lodgings, including amenities, check-in times, and pricing.

A Google Ads metric that measures ad relevance, expected CTR, and landing page quality. Impacts CPC and position.

Controlling the number of requests a user or client can make to an API within a time period to prevent abuse.

A method of forwarding users and search engines from one URL to another, commonly used after page migrations.

A series of redirects that slow down page loading and dilute link equity. Should be simplified to one step.

Visitors arriving from links on other websites rather than search engines or direct entries.

A database that stores data in tables with defined relationships, using SQL for queries (e.g., PostgreSQL, MySQL).

Targeting users who previously visited your website with follow-up ads to encourage return visits or bookings.

Monitoring and improving how a hotel is perceived online, including reviews and social sentiment.

Web design technique ensuring that content automatically adapts to any screen size or orientation.

A method where an AI system retrieves relevant external documents before generating a response, improving factual grounding and citation quality.

An AI architecture that combines retrieval of relevant documents with language generation, improving accuracy and grounding responses in real data.

A profitability metric showing how much revenue is earned for each unit of currency spent on ads.

A key hotel KPI calculated by dividing total room revenue by the number of available rooms.

Enhanced search result containing extra information like ratings, FAQs, or event dates derived from schema markup.

A file that tells search engine crawlers which pages to crawl or ignore on your website.

A security model that assigns permissions to roles rather than individual users, simplifying access management.

Individual page for a specific room category in a hotel, optimised for conversion and long-tail search intent.

Database security that restricts which rows users can access based on their identity or role.

The potential for systems to fail or require significant rework as usage or data volumes grow.

Structured data code that helps search engines understand your content better. Enables rich snippets in search results.

The process of evolving database structure over time through versioned, trackable changes.

A measure of how far users scroll down a page, used to assess engagement with long-form content.

Google’s free toolset for monitoring website performance, crawling issues, and indexing status.

The reason behind a user's search query. Understanding intent helps create content that matches what users want.

Fluctuations in search demand or booking volume based on time of year or local events.

The process of reducing attack surface and vulnerabilities in systems through configuration and best practices.

Breaking content into meaningful segments based on context rather than arbitrary length, improving AI retrieval and understanding.

Search technology that interprets meaning and context behind queries and content, rather than matching keywords literally.

Search Engine Results Page. The page displayed after entering a search query.

How long it takes for a web server to respond to a browser request. Impacts Core Web Vitals and UX.

Cloud computing model where the provider manages server infrastructure, letting developers focus on code without managing servers.

The total amount of time a user spends on a website during one visit.

A visual recording of user interactions on a website, used to diagnose UX issues or test changes.

An XML file listing all important pages on your website. Helps search engines discover and crawl your content.

Service Level Agreement / Objective - formal commitments and internal targets for system availability and performance.

Psychological phenomenon where people rely on others’ actions and opinions, such as reviews or ratings, when making decisions.

Machine-readable code (often JSON-LD) providing additional context about content, enabling enhanced search results.

A page highlighting a hotel’s eco-friendly practices and community impact, increasingly relevant for brand trust and SEO.

Reviewing all tracking scripts and tags on a website to ensure accuracy and compliance.

Google’s platform for deploying tracking codes and marketing tags without modifying site code directly.

Automating when and how tasks execute, from simple cron jobs to complex workflow orchestration.

The accumulated cost of shortcuts or suboptimal technical decisions that require future work to address.

A systematic review of a website’s technical health - including crawlability, indexing, performance, and structured data.

Pages with little or no valuable information, often leading to poor rankings or duplicate content issues.

The average amount of time visitors spend viewing a specific page before navigating elsewhere.

The HTML element that specifies the title of a web page. Appears as the clickable headline in search results.

The pricing model for LLM APIs based on the number of tokens (text units) processed in inputs and outputs.

An LLM capability to invoke external functions or APIs during generation, enabling AI agents to take actions and access real-time data.

The complete cost of a system over its lifecycle, including development, hosting, maintenance, and opportunity costs.

A small code snippet that records when a user visits a page or completes an action, used for retargeting and measurement.

A keyword showing high purchase intent, such as ‘book hotel in Glasgow’ or ‘spa package deal’.

The UK's version of GDPR retained after Brexit, with similar requirements for data protection and privacy.

The format and organisation of your website's URLs. Clean, descriptive URLs are better for SEO and users.

The overall experience a visitor has when interacting with your website - design, navigation, content clarity, and ease of use.

Photos, reviews, or posts created by customers. Authentic UGC builds trust and can improve SEO and conversions.

Tracking tags added to URLs to identify the source, medium, and campaign in analytics data.

A database optimised for storing and querying high-dimensional vectors (embeddings), enabling semantic search and AI applications.

A search approach that uses embeddings to find semantically similar content instead of relying only on exact keyword matching.

A database optimised for storing and searching vector embeddings, essential for semantic search and AI applications.

Dependency on a specific vendor's technology or services that makes switching costly or difficult.

Using AI assistants to rapidly prototype and build software through natural language collaboration rather than writing every line manually.

The visible area of a web page on a user’s device. Design elements should fit within this space for optimal UX.

A composite score showing how visible a website is across its tracked keywords in search results.

Adapting content to match natural, spoken queries typically used on mobile or smart devices.

A W3C project defining global standards for accessible websites, including the WCAG guidelines.

HTTP callbacks that automatically notify external systems when events occur, enabling real-time integrations.

Ethical SEO practices that follow search engine guidelines. Focuses on providing value to users.

Connecting tools and automating multi-step processes to reduce manual work and improve consistency.

Search results that answer a query directly on the SERP without requiring a click to a website.

Information intentionally shared by users, such as preferences or travel dates, often collected via forms or surveys.

Segmenting SEO or paid campaigns geographically to target specific regions or audiences.