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Digital Marketing Glossary.

The most important terms from web design, SEO, Google Ads and digital marketing — simply explained.

A

Agent-Ready Website

An agent-ready website is built so that AI agents can not only read its content but also perform actions — through structured data, semantic HTML, llms.txt/ai.t...

ai.txt

ai.txt is a text file in the style of robots.txt that specifically signals to AI crawlers and agents which content they may read, summarise and cite.

AEO (Answer Engine Optimization)

AEO is the optimization of website content so that it appears as direct answers in AI-powered search systems — such as ChatGPT, Google AI Overviews, or Perplexi...

AI Agents

AI Agents are autonomous AI systems that can independently plan, execute, and optimize tasks — without human step-by-step instructions. They combine Large Langu...

AI Overviews (SGE)

AI Overviews (formerly SGE — Search Generative Experience) are AI-generated summaries that Google displays directly above search results. They synthesize inform...

A/B Testing

A/B Testing (Split Testing) is a method where two variants of a webpage, ad, or email are shown to different user groups to measure which variant performs bette...

AI Overviews (Google)

Google AI Overviews are AI-generated answer summaries that Google shows directly above the classic search results. They answer the query in their own words and ...

Alt Text (Alternative Text)

Alt text is a written description attached to an image in the HTML. It lets blind and partially sighted people understand the image through a screen reader, sta...

Anchor Text

Anchor text is the visible, clickable text of a link. It tells both people and search engines what to expect on the linked page, which makes it an important rel...

Above the Fold

Above the fold is the part of a web page a visitor sees immediately, without scrolling. That first screen largely decides whether someone stays — and because it...

Atomic Design

Atomic Design ist ein von Brad Frost 2013 beschriebenes Ordnungsmodell für Benutzeroberflächen. Es zerlegt ein Interface in fünf Stufen — Atome, Moleküle, Organ...

Anzeigenrang (Ad Rank)

Der Anzeigenrang (Ad Rank) ist der Wert, mit dem Google Ads in jeder einzelnen Auktion entscheidet, ob eine Anzeige überhaupt ausgeliefert wird und an welcher P...

Attributionsmodell

Ein Attributionsmodell ist die Regel, nach der ein Werbekonto oder ein Analysewerkzeug den Wert einer Conversion auf die vorangegangenen Kontaktpunkte verteilt....

C

CLS (Cumulative Layout Shift)

CLS is one of Google's three Core Web Vitals and measures the visual stability of a page. It quantifies how much elements shift during loading — e.g., a button ...

CMS (Content Management System)

A CMS is software that allows you to create and edit website content without programming knowledge. Well-known examples: WordPress, Sanity, Strapi, or Contentfu...

CDN (Content Delivery Network)

A CDN is a global network of servers that delivers your website files as close to the user as possible. Instead of all visitors accessing a single server in Zur...

Conversion Rate

The conversion rate measures what percentage of your website visitors perform a desired action — e.g., filling out a form, purchasing a product, or calling. Wit...

Core Web Vitals

Core Web Vitals are Google's three official metrics for user-friendliness: LCP (loading time of main content), INP (response time to inputs), and CLS (visual st...

CTR (Click-Through Rate)

The CTR (Click-Through Rate) measures how often a user clicks on your search result after seeing it. Formula: Clicks ÷ Impressions × 100. A high CTR signals rel...

Cookieless Tracking

Cookieless Tracking describes methods for user tracking and analytics without third-party cookies. Due to the removal of third-party cookies in modern browsers,...

Canonical Tag (rel=canonical)

The canonical tag is an HTML hint (rel=canonical) that tells Google which version of a page you prefer when identical or near-identical content is reachable und...

Crawl Budget

The crawl budget is the number of pages Google crawls on a website within a given period. On large sites it helps determine how quickly and how completely new a...

Content Cluster (Topic Cluster)

A content cluster is a group of thematically related pages organised around a central pillar page and linked to one another. The structure helps search engines ...

CPC (Cost-per-Click)

CPC (cost-per-click) is the amount an advertiser pays for each click on their ad. It is the central billing unit in search engine marketing and a key figure for...

Call-to-Action (CTA)

A call-to-action (CTA) is a deliberate prompt that asks visitors to take a specific step — such as 'Request a quote' or 'Book an appointment'. CTAs are one of t...

Citation Rate (AI Citation Rate)

The citation rate measures the percentage of tested AI answers in which a domain is named or linked as a source. It is the metric that makes GEO work verifiable...

Context Window

The context window is the maximum amount of text a language model can take into account in a single request, measured in tokens. It covers everything at once: t...

Corporate Design

Corporate Design ist das verbindlich geregelte visuelle Erscheinungsbild eines Unternehmens: Logo, Farbpalette, Schriften, Bildsprache, Layoutraster und die Reg...

Corporate Identity

Corporate Identity ist das Selbstverständnis eines Unternehmens und die Summe aller Signale, mit denen es nach aussen auftritt — üblicherweise unterteilt in Ver...

Cost per Lead (CPL)

Cost per Lead (CPL) sind die durchschnittlichen Kosten, bis ein Kontakt entsteht: eingesetzte Kosten geteilt durch die Anzahl gewonnener Leads. Die Zahl ist nur...

ChatGPT Ads

ChatGPT Ads sind bezahlte Anzeigen, die OpenAI unterhalb einer Chat-Antwort einblendet — durch eine Trennlinie abgesetzt und mit «Sponsored» gekennzeichnet, nic...

Context Hints

Context Hints sind Beschreibungen von Gesprächen, Themen und Bedürfnissen, für die ein beworbenes Angebot relevant ist. Sie werden im OpenAI Ads Manager auf Ebe...

Conversational Advertising

Conversational Advertising bezeichnet Werbung, die in einer dialogorientierten Oberfläche erscheint statt in einer Trefferliste oder auf einer Webseite. Der Wer...

L

LCP (Largest Contentful Paint)

LCP is one of the three Core Web Vitals and measures how long it takes for the largest visible element (image, text block, video) of a page to load. Target valu...

Local Pack

The Local Pack (also: Map Pack or Google 3-Pack) is the block in Google search that displays three local businesses with a map — for search queries with local i...

Lighthouse Score

The Lighthouse Score is a rating from Google that measures the quality of a website in four categories: Performance, Accessibility, Best Practices, and SEO. A s...

Lead Generation

Lead Generation describes the process of identifying potential customers and capturing their contact information — through forms, newsletters, calculators, down...

llms.txt

llms.txt is a standardized text file in a website's root directory that summarizes the most important content for AI systems like ChatGPT, Perplexity or Claude ...

LLM (Large Language Model)

A Large Language Model (LLM) is an AI model trained on vast amounts of text that can understand and generate natural language. LLMs like GPT (ChatGPT), Claude o...

Long-Tail Keyword

A long-tail keyword is a longer, specific search phrase of several words with lower search volume but clear intent. Such keywords are less contested and often c...

Lazy Loading

Lazy loading is a technique in which images, videos or other resources are only loaded once they come close to the visible area, instead of immediately on page ...

Local Citations

Local citations are entries for a business in directories, map services and industry portals that carry its name, address and phone number. They confirm indepen...

Lead Scoring

Lead Scoring vergibt Punkte an Kontakte, um sie nach Kaufwahrscheinlichkeit zu sortieren. Die Punkte stammen aus zwei Quellen: Angaben über Person und Unternehm...

P

PageSpeed Insights

Google PageSpeed Insights is a free tool that analyzes the loading speed and Core Web Vitals of a website and rates them on a scale of 0–100. Score 90–100 = goo...

Programmatic SEO

Programmatic SEO is the automated creation of large volumes of SEO-optimized pages based on data and templates. Instead of writing each page manually, hundreds ...

Predictive Analytics

Predictive Analytics uses historical data, statistical algorithms, and machine learning to predict future events and trends. In marketing, it helps forecast cus...

PWA (Progressive Web App)

A PWA is a web application that behaves like a native app: installable, offline-capable, and with push notifications. It combines the reach of the web with the ...

Prompt Engineering

Prompt Engineering is the art of giving AI systems like ChatGPT, Claude, or Gemini precise instructions (prompts) to achieve optimal results. It is a key compet...

Pillar Page

A pillar page is a comprehensive, top-level page on a broad main topic. It gives a structured overview and links out to deeper cluster pages on the individual s...

Passage Ranking

Passage ranking is Google's ability to evaluate and surface a single section of a page independently of the whole document. A long page can become visible for a...

Prompt Injection

Prompt injection is an attack in which instructions are hidden inside data that an AI system processes — a website, a PDF, an email or a tool result. The model ...

Proof of Concept (PoC)

A proof of concept (PoC) is a tightly bounded test that answers a single question: does the technically riskiest part of a planned solution work at all? It is b...

Product-Market Fit

Product-market fit describes the state in which a product solves a problem so well that demand carries itself: users stay, they recommend it, and they would be ...

Persona

Eine Persona ist ein verdichtetes Modell einer Nutzergruppe: eine fiktive, aber aus echten Daten abgeleitete Person mit Ziel, Aufgabe, Vorwissen und Hürden. Sie...

S

Schema Markup

Schema Markup (Schema.org) is a semantic vocabulary for structuring website content. It helps Google understand whether a page describes a business, a product, ...

SEO (Search Engine Optimization)

SEO (Search Engine Optimization) encompasses all measures to make a website more visible in the organic (unpaid) search results of Google & Co. Goal: more quali...

Server-Side Rendering (SSR)

Server-Side Rendering (SSR) means that HTML pages are generated on the server and sent fully rendered to the browser — as opposed to Client-Side Rendering (CSR)...

Search Intent

Search Intent describes the goal behind a search query: Does the user want to get informed, find a website, buy something, or compare options? Correctly interpr...

Site Speed (Website Speed)

Site Speed describes the loading speed of your website — how quickly content becomes visible and usable for visitors. It is a direct Google ranking factor and s...

SERP (Search Engine Results Page)

SERP stands for Search Engine Results Page — the page a search engine returns after a query. Modern SERPs hold far more than the classic blue links: ads, featur...

Share of Model

Share of Model is the proportion of all AI answers on a subject in which a given brand is named or recommended. The metric transfers the classic share of voice ...

Semantic Triple

A semantic triple is the smallest unit of machine-readable knowledge and consists of subject, predicate and object — for example 'DLM Digital – has location – Z...

sameAs Property

The sameAs property is a field in Schema.org markup that points to further official profiles of the same entity — LinkedIn, Wikidata or a commercial register en...

Share of Local Voice (SoLV)

Share of Local Voice measures at how many points of a geographic grid a business appears in the local top three for a keyword. It replaces the single ranking po...

Service Area Business (SAB)

A service area business delivers its work at the customer's premises rather than at its own address, and therefore shows a service area instead of a visible add...

Off-the-Shelf Software

Off-the-shelf software is a finished product that many businesses use in common and adapt to their needs through the settings it provides. For most tasks in an ...

Smart Bidding

Smart Bidding ist der Sammelbegriff für die automatischen Gebotsstrategien in Google Ads, die für jede einzelne Auktion in Echtzeit ein Gebot berechnen — mit de...

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