Digital Marketing Definitions
Glossary and definitions of key terms in SEO, SEA, analytics, and GEO.
Google's AI Mode: Definition, How It Works, and Challenges for Visibility
AI Mode is the conversational tab in Google Search: definition, how it differs from AI previews, how it works, effects, and how to use it.
Read the articleAI Overviews (Google AI Overviews): Definition, How It Works, and Challenges
AI Overviews are AI-generated answers that appear at the top of Google search results: definition, how they’re triggered, their impact on traffic, and how to get listed there.
Read the articleGoogle AMP (Accelerated Mobile Pages): Definition and Should We Still Use It?
AMP (Accelerated Mobile Pages) is a lightweight mobile page format launched by Google in 2015. Definition, how it works, its decline, and alternatives in 2026.
Read the articleAllocation: Definition, Models, and Limitations
Attribution distributes the credit for a conversion among the channels in the customer journey: definition, models, windows, limits, and the 2026 arbitration method.
Read the articleGA4 Audiences: Definition, How They Work, and Uses
A GA4 audience is a group of users defined by specific criteria, continuously updated, and usable for Google Ads analysis and remarketing.
Read the articleBacklinks: Definition, Quality Criteria, and Risks
A backlink is a link from an external website to yours—a major trust signal for Google. Definition, quality criteria, dofollow and nofollow, risks.
Read the articleCanonical Tag: Definition, Syntax, and Use Cases
The canonical tag tells Google which URL to treat as the primary one among identical or very similar pages. Syntax, use cases, and common errors.
Read the articleTitle Tag: Definition, Ideal Length, and SEO Best Practices
The title tag is the title of a page that appears in Google search results and on the browser tab. Definition, ideal length, and writing guidelines.
Read the articleBlack Hat SEO: Definition, Prohibited Techniques, and Risks
Black hat SEO refers to techniques that manipulate search engines in violation of their rules. Definition and 8 common techniques.
Read the articleCAC (Customer Acquisition Cost): Definition, Calculation, and LTV/CAC Ratio
CAC (customer acquisition cost) is the total cost of acquiring a new customer. Definition, formula, example, LTV/CAC ratio, and ways to reduce it.
Read the articleMarketing ROI: Definition, Calculation Formula, and Example
Marketing ROI measures the return generated for every euro invested. Formula, example with figures, differences from ROAS, and common calculation pitfalls.
Read the articleCAPI (Conversion API): Definition, Benefits, and Implementation
The conversions API sends events from the server to advertising platforms: definition, 2026 revenue, and deduplication.
Read the articleChurn (churn rate): definition, calculation, and strategies
Churn measures the percentage of customers lost over a given period: definition, formulas, 2026 benchmarks by industry, main causes, and retention strategies.
Read the articleCMP (Consent Management Platform): Definition and Selection
A CMP collects and transmits visitors' cookie preferences: definition, role, CNIL rules, selection criteria, 2026 costs, and consent rates.
Read the articleSemantic Cocoon: Definition, Structure, and Implementation Method
The semantic cocoon organizes a website's pages by topic using a hierarchical internal linking structure. Definition, structure, 5-step method, and example.
Read the articleHTTP Response Codes: Definition and SEO Impact of Codes 200, 301, 404, and 500
HTTP response codes indicate the status of a page to the browser and to Google. The meanings of codes 200, 301, 302, 404, 410, and 500, and their SEO implications.
Read the articleConsent Mode: Definition, Version 2, and Implementation
Consent Mode transmits the user's cookie preferences to Google and models lost conversions: definition, version 2, implementation, and effects.
Read the articleContent Marketing: Definition, Formats, Methods, and Metrics
Content marketing involves attracting and convincing prospects with useful content rather than advertisements. Definition, formats, methods, and KPIs.
Read the articleGoogle Ads Conversions: Definition, Types, and Setting Up Tracking
A Google Ads conversion is a valuable action that occurs after a user clicks on an ad. Definition, types, tracking methods, and key conversions.
Read the articleThird-Party Cookies: Definition, Uses, and Planned End
Third-party cookies are placed by a domain other than the website being visited: definition, uses, their phase-out in 2026, and alternatives.
Read the articleCore Web Vitals: Definition, Thresholds, and Measurement Methods
Core Web Vitals are three metrics that measure page experience: LCP, INP, and CLS. Definitions, target thresholds, and measurement methods.
Read the articleCPA (Cost Per Acquisition): Definition, Calculation, and Benchmarks
CPA (cost per acquisition or per conversion) measures the cost of each customer or lead acquired. Definition, formula, examples, and industry benchmarks.
Read the articleCPC (Cost Per Click): Definition, Calculation, Benchmarks, and Optimization
CPC (cost per click) is the amount paid each time a user clicks on an ad. Definition, calculation, and average CPC by industry.
Read the articleCPM (cost per thousand impressions): definition, calculation, and benchmarks by platform
CPM is the price paid per thousand ad impressions. Definition, calculation, average CPMs by platform in France, and when to choose it over CPC.
Read the articleCrawl Budget: Definition, Factors, and Optimization
The crawl budget is the amount of crawl resources Google allocates to a website: definition, factors, affected sites, how to view it in Search Console, and ways to optimize it.
Read the articleCRM: Definition, Role in Marketing Measurement, and Selection
A CRM Centralizes Contacts and Sales Tracking: Definition, Features, Role in Marketing Measurement, Tools and Costs for 2026, Selection Criteria.
Read the articleCRO (Conversion Rate Optimization): Definition and Method
CRO is the process of optimizing a website’s conversion rate: definition, five-step method, strategies, tools, and 2026 revenue targets.
Read the articleCTR (Click-Through Rate): Definition, Calculation, and References
CTR (click-through rate) measures the percentage of impressions that result in a click: formula, 2026 averages for SEO, Google Ads, social ads, and email.
Read the articleDemand Generation (Google Ads): Definition, Formats, and Use Cases
Demand Gen is Google Ads’ visual campaign on YouTube, Discover, and Gmail: definition, formats, audiences, 2026 benchmarks, use cases, and limitations.
Read the articleDuplicate Content: Definition, Causes, and SEO Solutions
Duplicate content refers to the same content that is accessible via multiple URLs, either on your site or elsewhere. Common causes, real SEO effects, and solutions.
Read the articleOnline Reputation: Definition, Challenges, and Management Strategies
Online reputation is the image a company projects online: reviews, Google search results, social media, and AI responses. Definition.
Read the articleE-E-A-T: Definition, Criteria, and Concrete Indicators
E-E-A-T (Experience, Expertise, Authority, Trustworthiness): What Google Evaluates, and Why It Isn't a Direct Ranking Factor.
Read the articleEntity: Definition and Role in SEO and AI Search Engines
An entity is a uniquely identifiable thing that search engines and AI recognize: definition, role in SEO and GEO, markup, and method.
Read the articleFirst-party data: definition, sources, and uses
First-party data is data collected directly from customers: definition, sources, advertising uses, and compliance.
Read the articleAARRR Funnel: Definition, Stages, and Metrics
The AARRR funnel breaks down the customer journey into five stages: acquisition, activation, retention, referral, and revenue. Definitions, metrics, and benchmarks for 2026.
Read the articleGEO (Generative Engine Optimization): Definition and Guide to Visibility on AI Platforms
GEO (Generative Engine Optimization) refers to optimizing a website so that it is cited by generative AI systems such as ChatGPT, Perplexity, and Gemini.
Read the articleGoogle Panda: Definition, What It Aimed to Achieve, and What Remains of It
Google Panda is the algorithm launched in 2011 to demote websites with low-quality content. Its goal was to become an integral part of Google.
Read the articleGoogle Penguin: Definition, Targets, and How It Works Today
Google Penguin is the algorithm launched in 2012 to combat artificial links. Its purpose and how it has been operating continuously since 2016.
Read the articleGoogle Shopping: Definition, How It Works, and a Getting Started Guide
Google Shopping displays your products with images and prices in Google search results. Overview, free listings, and paid ads; Merchant Center.
Read the articleHallucinations in Artificial Intelligence: Definition, Causes, and Prevention
A hallucination is a false but plausible statement generated by an AI: definition, causes, examples in marketing, observed rates, and prevention.
Read the articleHreflang: Definition, Syntax, and Implementation Guidelines
The hreflang attribute tells Google the target language and country for each version of a page. Syntax, x-default, reciprocity.
Read the articleImpressions: Definition, Counting Methods, and Interpretation
An impression is the display of content or an ad: definition, what each platform (Google, Search Console, Meta) counts as an impression, and how to interpret the data.
Read the articleInbound Marketing: Definition, Steps, and Expected Results
Inbound marketing attracts customers through content rather than advertising: definition, steps, costs and timelines for 2026, metrics, and limitations.
Read the articleResearch Purpose: Definition, Types, and Method
Search intent is the goal behind a search query: definition, the four types, how to identify it, and how to optimize each page.
Read the articleKnowledge Graph: Definition, How It Works, and Challenges for a Business
The Knowledge Graph is Google's knowledge base on entities: definition, sources, knowledge panel, challenges, and how to get listed in it.
Read the articleKPI (Key Performance Indicator): Definition, Examples, and Methodology
A KPI (key performance indicator) is a metric linked to an objective that triggers a decision. Definition and how it differs from a metric.
Read the articleLanding Page: Definition, Structure, and Key Points
A landing page is a page designed for a single action: definition, how it differs from the homepage, typical structure, and key points for 2026.
Read the articleLead Scoring: Definition, Matrix, and Implementation
Lead scoring assigns points to leads to prioritize sales efforts: definition, criteria, sample scoring grid, thresholds, and common mistakes to avoid.
Read the articleGoogle Ads Glossary: 40 Terms You Need to Know to Manage Your Campaigns
The 40 Essential Google Ads Terms Explained Simply: Bids, Keywords, Ads, Conversions, Metrics, and Campaigns.
Read the articleGoogle Analytics 4 Glossary: 40 Terms You Need to Know
The 40 Google Analytics 4 Terms Explained: Events, Sessions, Users, Engagement, Conversions, Reports, and Administration.
Read the articleSEO Glossary: 60 Organic SEO Terms Explained
The SEO Glossary: 60 SEO, local SEO, and GEO terms explained simply, organized by topic, with links to our guides.
Read the articleLLM (Large Language Model): Definition, How It Works, and Uses in Marketing
An LLM is an AI model trained on massive text corpora to understand and generate language: definition, how it works, limitations, and uses.
Read the articlellms.txt: Definition, Format, and Implementation
The llms.txt file introduces the concept to AI assistants: definition, format, content, differences from robots.txt and sitemap, actual adoption in 2026, and implementation method.
Read the articleLong-tail keywords: definition, statistics, and SEO strategy
The long tail refers to specific, low-volume search queries that account for the bulk of traffic: definition, 2026 statistics, methodology, and pitfalls.
Read the articleInternal Linking: Definition, Role, and Principles
Internal linking refers to the links between pages on the same website: definition, role for Google and visitors, types of links, anchor text, and errors.
Read the articleMarketing Automation: Definition, Use Cases, and Prerequisites
Marketing automation triggers actions based on contact behavior: definition, useful scenarios, tools and costs for 2026, prerequisites, and common mistakes.
Read the articleMeta Robots Tag: Definition, Directives, and Best Practices
The meta robots tag tells search engines whether they can index a page and follow its links: directives, syntax, and how it differs from robots.txt.
Read the articleMQL and SQL: Definition, Differences, and Conversion Rates
MQL and SQL refer to the lead qualification stages between marketing and sales: definitions, criteria, 2026 conversion rates, and service agreements.
Read the articleNAP (Name, Address, Phone Number): Definition and Role in Local SEO
NAP refers to a business's name, address, and phone number, which must be consistent across the entire web for local search engine optimization.
Read the articleLink Building: Definition, Link-Building Strategies, and Budget
Link building is a strategy for acquiring inbound links to strengthen a website’s authority: methods, budget, risks, and measurement.
Read the articleNoindex: Definition, Use Cases, and Mistakes to Avoid
"Noindex" is the directive that tells Google not to index a page: when to use it, how to write it, and the errors that cause a site to disappear.
Read the articleOKR: Definition, Differences from KPIs, and Marketing Examples
OKRs combine a qualitative objective with quantifiable key results: definition, how they differ from KPIs, marketing examples, and common implementation mistakes.
Read the articlePageRank: Definition, How It Works, and Its Current Role in SEO
PageRank is Google’s founding algorithm, which measures a page’s authority based on its backlinks: how it works, how it has evolved, and what remains of it in 2026.
Read the articleGA4 Dimensions and Custom Metrics: Definition, Scope, and Examples
GA4's custom dimensions and metrics make your event parameters visible in reports: definition, scope, limitations, and examples.
Read the articlePerformance Max (PMax): Definition, How It Works, and Key Metrics
Performance Max is Google Ads' automated campaign that runs across all of its networks: definition, how it works, prerequisites, 2026 benchmarks, and limitations.
Read the articlePersona: Definition, Method, and Real-World Applications
A persona is a typical profile of a target customer based on real data: definition, useful content, a five-step method, and pitfalls to avoid.
Read the articleRAG (Retrieval-Augmented Generation): Definition, How It Works, and Challenges
RAG combines document search with an LLM to provide responses backed by sources: definition, steps, uses, and challenges for visibility.
Read the article301 Redirect: Definition, Use Cases, and Implementation
A 301 redirect permanently redirects one URL to another: definition, difference from a 302 redirect, use cases (site redesign, merger, HTTPS), and errors.
Read the articleReferrer (referring site): definition, how it works, and analysis of referral traffic
The referrer is the URL of the page from which a visitor came: how GA4 uses it, why it's often missing, and how to interpret referral traffic.
Read the articleResponsive Design: Definition, How It Works, and Its Importance for SEO
Responsive design adapts a single page to all screen sizes. Definition, how it works, SEO challenges with mobile-first indexing, and checkpoints.
Read the articleROAS (Return on Ad Spend): Definition, Calculation, and Break-Even Point
ROAS (return on ad spend) measures the revenue generated relative to the media budget: formula, example, minimum ROAS based on margin, target ROAS.
Read the articleRobots.txt: Definition, Syntax, and Best Practices
The robots.txt file tells web crawlers what they can crawl: definition, syntax (User-agent, Disallow, Allow, Sitemap), AI-powered crawlers, and errors to avoid.
Read the articleRSA (Responsive Search Ads): Definition and Best Practices
RSA is the responsive ad format in the Google Ads Search Network: definition, how it works, best practices for writing ad copy, metrics, and common mistakes.
Read the articleSEA (Search Engine Advertising): Definition and Guide to Paid Search Advertising
SEA (Search Engine Advertising) refers to paid ads on search engines, primarily Google Ads. Definition.
Read the articleSEM (Search Engine Marketing): Definition and Combined SEO + SEA Strategy
SEM combines SEO and SEA: all aspects of search engine visibility. Definition, budget allocation, how they complement each other, and KPIs.
Read the articleSEO (Search Engine Optimization): Definition and Guide to Organic Search Engine Optimization
SEO (Search Engine Optimization) refers to the set of techniques used to rank a website in Google’s organic search results. Definition, pillars.
Read the articleSERP (Search Engine Results Page): Definition and Structure of a Google Results Page
The SERP is a search engine's results page: it consists of various blocks (ads, AI Overview, local pack, featured snippets, organic results), and it's where your content can appear.
Read the articleShare of voice: definition, calculation, and measurement by channel
Share of voice measures a brand’s visibility relative to its competitors: definition, calculation by channel, share of voice in AI, and 2026 benchmarks.
Read the articleXML Sitemap: Definition, Format, and Best Practices
The XML sitemap lists a website's URLs for search engines and AI: definition, format, useful tags, limitations, submission to Search Console, and errors.
Read the articleSMA (Social Media Advertising): Definition, Costs, and KPIs
SMA (Social Media Advertising): Paid advertising on social media. Definition, formats, average costs in France, KPIs, and how it differs from SMO.
Read the articleSmart Bidding: Definition, Strategies, and Prerequisites
Smart Bidding encompasses Google Ads’ AI-powered automated bidding: strategies, prerequisites, 2026 benchmarks, and mistakes to avoid.
Read the articleSMO (Social Media Optimization): Definition and Guide
SMO (Social Media Optimization) refers to free strategies for growing your presence on social media. Definition, strategies.
Read the articleSXO (Search Experience Optimization): Definition, Strategies, and Methodology
SXO combines search engine optimization and user experience: attracting the right visitors and then converting them. Definition, drivers, metrics, and methodology.
Read the articleConversion Rate: Definition, Calculation, Benchmarks, and Ways to Improve It
The conversion rate is the percentage of visitors who complete the desired action: formula, benchmarks by website type, analysis in GA4, and drivers.
Read the articleEngagement Rate: Definition, Calculation, and Benchmarks on Social Media and in GA4
The engagement rate measures the percentage of an audience that interacts. Definitions on social media and in GA4, formulas, 2026 benchmarks, and uses.
Read the articleBounce Rate: Definition, New Formula in GA4, and Interpretation
The bounce rate has changed with GA4: old and new definitions, formulas, benchmarks by page type, and what you should really take away from this.
Read the articleUGC (User-Generated Content): Definition, Forms, Uses, and Legal Framework
UGC refers to content created by customers about a brand: reviews, photos, videos, and testimonials. Forms, uses, and legal framework.
Read the articleYMYL (Your Money or Your Life): Definition, Relevant Industries, and SEO Requirements
YMYL refers to topics related to health, money, or safety, which are evaluated more strictly by Google: definition, relevant sectors, and E-E-A-T.
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