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DAGMAR formula

The DAGMAR formula is a term from advertising. It denotes a concept with which advertising media are to be designed according to certain criteria. It was developed in 1967 by the US advertising expert Russel H. Colley. Acronym for more advertising effectiveness DAGMAR is a combination of the first...

Daily Digital Facts

What does Daily Digital Facts mean? Daily Digital Facts are statistics published daily by the Arbeitsgemeinschaft für Online Forschung (AGOF). This registered association publishes every day at 11 a.m. exact data on the internet coverage of the previous day. They are an important basis for online advertisers to make...

Dark post

Facebook offers businesses several ways to advertise. One of these options is the Facebook Dark Post. What is a Dark Post? A dark post on Facebook is a page post that is not published. Unpublished means that the post does not appear in the chronicle of a business page....

Dark web

What does Dark Web mean? The Dark Web is the World Wide Web content in so-called darknets and overlay networks. Users connect to each other manually via the Internet. The dark web forms a small part of the deep web, the part of the web that is not indexed...

Data crunching

Large amounts of data provide valuable information for marketing and scientific disciplines. Data crunching is the first step in processing and analyzing Big Data. What does Data Crunching mean? Data crunching is the preparation of large amounts of data for automated processing and analysis. The term crunching comes from...

Data feed

Data feeds are structured information that is automatically transferred between a server and a client. Commonly used formats for data feeds are CSV and XML, but TXT and RSS are also common. The structure of the data feed is determined by the receiving server, e.g. Google Shopping. The client...

Data highlighter

What is the Data Highlighter? The Data Highlighter is a free webmaster tool provided by Google and part of the Google Tag Manager. With the highlighter, website operators can inform Google about data available in structured form on their website. The data fields are marked and tagged with the...

Data Hub Activity

What does data hub activity mean? Data Hub Activity is a report in Google Analytics that provides data on how and where content was shared and commented on in social networks. The data is limited to the social networks that are partners of Google Analytics. What social media information...

Data layer

What is a data layer? A data layer is an array of data programmed in JavaScript, in which information from a web page is stored. This information is transferred to the Google Tag Manager and can be used for further analysis in other tools, such as Google Analytics. The...

Data leakage prevention

What is Data Leagage Prevention (DLP)? Data Leagage Prevention (DLP) describes a strategy to ensure that end users do not send confidential or critical information to recipients outside an enterprise network. The term is also used to describe software products that allow a network administrator to control what data...

Data loss prevention

Data Loss Prevention (DLP) is a term from information security and refers to a protective measure. Data protection deals with the security of data. It is not only the data and its loss that must be protected, but also its Confidentiality Integrity and Attributability Synonymous terms are Data Leak...

Data management platform

A Data Management Platform (DMP) collects and organizes data from multiple first-, second-, and third-party data sources and makes it available to other platforms to use for targeted advertising, personalization, content customization, and the like. Data management platforms connect many platforms in a neutral way, allowing marketers to use...

Data minimization requirement

The General Data Protection Regulation (EU-DSGVO) stipulates a data minimization requirement. Accordingly, website operators may only store data from visitors to the website that is necessary for the website to function. Furthermore, this data may only be stored for as long as necessary. It must be handled with strict...

Data mining

Data is the basis for business decisions and can provide clues to fraudulent activities. In computer science, data mining is used to analyze a wide variety of data to obtain information. What does data mining mean? Data mining refers to the recognition and extraction of correlations and patterns from...

Data-Driven Advertising

Knowledge about the buying behaviour and preferences of customers is the basis for successful advertising. Data-driven advertising helps advertisers to target potential customers. What is Data-Driven-Advertising? Data-driven advertising refers to advertising measures that are created and executed on the basis of data collected on consumer behaviour. Data sources are...

Data-driven marketing

What is Data-Driven Marketing? In modern marketing, data is an indispensable basis for marketers to make decisions. Data-driven marketing uses data from various sources to better understand user behavior and to develop marketing strategies and campaigns based on this knowledge. What is Data-Driven Marketing? Data-driven marketing is primarily concerned...

DAU-Test

What does DAU-Test mean? With a DAU test, programmers, web designers and others check whether hardware, software or homepages are suitable for the “Dumbest User to be assumed”. This test is a special form of a usability test. In usability tests, responsible persons check whether the object in question...

DCE (Distributed Computing Environment)

In order for geographically distributed computer systems to be used like a computer, they must be integrated into a suitable architecture. DCE (Distributed Computing Environment) offers the corresponding prerequisites. What does DCE (Distributed Computing Environment) mean? The DCE (Distributed Computing Environment) is a software architecture for sharing geographically distributed...

DDoS

What does DDoS mean? When computer attacks are carried out from distributed computers, they are called DDoS attacks. The abbreviation DoS is used in information technology for Denial of Service. Service usually refers to the connection to the Internet, in rare cases a connection within the company network. What...

DDOW (German Data Protection Council Online Advertising)

What is the German Data Protection Council Online Advertising? DDOW is a voluntary self-regulation body founded in 2012 by the digital advertising industry. It deals with usage-based online advertising. DDOW fulfils two tasks: It informs consumers how they can stop the collection of data. For example, it explains the...

Debian

What does Debian mean? The Linux-based operating system Debian is distributed under GNU or GPL (General Public License), so it is free of charge and freely reproducible. It consists of a Linux kernel and more than 51,000 additional software packages with publicly available source code. The installation image is...

Debugging

What is debugging? When programs and Web pages are tested or show errors, developers use debugging features. Today’s software is often very complex and can consist of thousands of lines of code. In addition, components of different programming languages are mixed together to achieve the best possible benefit for...

DECT (Digital European Cordless Telecommunications)

What is DECT (Digital European Cordless Telecommunications)? DECT is the abbreviation for “Digital Enhanced Cordless Telecommunications”. This is a telecommunications standard for wireless telephony via radio. DECT (Digital European Cordless Telecommunications) was introduced in 1993 as a standard for wireless mobile phones. Each DECT unit consists of a base...

Dedicated server

Servers are the basis for the Internet and a company’s internal IT infrastructure. Dedicated servers take over specific functions for specific users. What is a dedicated server? A dedicated server is a server whose resources are available to one customer alone or whose performance is used for one application...

Deep crawl

The Googlebot crawls websites in two different ways. Once only superficially and with the so-called deep crawl down to the lowest level. What is a deep crawl? The deep crawl is, along with the fresh crawl, one of the two methods with which Google crawls websites in order to...

DeepL

The Cologne-based company DeepL provides a service of the same name for the machine translation of texts. The special feature is not only the server-side infrastructure and the web application that have been set up specifically for this purpose. In terms of translation quality, DeepL is an excellent alternative...

Defacement

Defacement is the unauthorized modification of a web page. The attack usually affects the visible part of the page, where the“defacers”, also known as “Cracker” (equivalent to hacker), delete texts or embed foreign texts or graphics. Malicious programs can also be left behind. How does it work? Defacement involves...

Delphi

Delphi is a method of market research and describes a multi-stage, systematic survey procedure. The survey is an estimation method and is characterized by feedback. The method can be used to estimate trends, future events and technical developments. A distinction is made between the standard method and the broadband...

Demand side platform

The Demand Side Platform (DSP) is a service provider for advertisers and agencies in online marketing. Demand Side Platforms help the advertiser to find the right advertising space. The buyer determines both the target group and the price on the DSP. Demand Side Platforms are therefore service providers in...

Demarketing

Demarketing refers to the intentional end or deliberate non-inclusion of a customer relationship. Demarketing is practiced, for example, in the context of target group marketing and customer value-oriented marketing. Alternative terms are reduction marketing, customer exclusion and exit management. Reasons for demarketing Both customer-related...

Demilitarized Zone (DMZ)

In computer science, the term demilitarized zone (DMZ) is used to describe individual computers or smaller networks that form a kind of “neutral zone” between a company’s private network (intranet) and the public network (Internet). The use of DMZs prevents direct access to internal company servers by external users....

DENIC

DENIC eG is the central registry for all domains ending in .de. The abbreviation DENIC stands for “Deutsches Network Information Center”. The Network Center is recognized as a non-profit organization and has its headquarters in Frankfurt am Main. What data can be queried about a DENIC domain? [su_list icon=”icon:...

Dereferrer

What are hyperlinks? Hyperlinks represent one of the most significant foundations of the World Wide Web. When a user clicks on a hyperlink, he is redirected to another web page. In doing so, the user’s web browser automatically sends an HTTP request to the relevant web server, which outputs...

Detectify

What is Detectify? Detectify is a cloud-based, automated scanner that can scan websites for currently more than 1,000 security holes and vulnerabilities. The scanner is offered as Software-as-a-Service (SaaS) and is operated in the Amazon AWS Cloud. According to the operator, it works together with an ethical hacking community...

DevOps

The term DevOps describes a process improvement approach that is primarily used in software development and system administration. In this context, the term is a so-called suitcase word, which is composed of the two words “Development” and “Information Technology Operations”. DevOps in modern software development DevOps aims to optimise...

Dewey Update

What’s the Dewey update? In 2008, the Dewey update was made at the search engine Google. This was one of the core updates that take place at irregular intervals and are intended to improve the quality of the search results. The Dewey Update was rolled out in March and...

DFN (German Research Network e.V.)

What does Deutsches Forschungsnetz e.V. mean? DFN (Deutsches Forschungsnetz e.V.) is a self-governing information and communication network that connects universities, research institutions and research-related companies. The responsibility is borne by the Association for the Promotion of the German Research Network, which was founded in 1984. The name of the...

DHTML

What does DHTML mean? The abbreviation DHTML stands for dynamic HTML, today experts rather use the term DOM-Scripting. Although the simple and text-based markup language HTML allows the creation of multi-faceted and visually appealing websites, the framework remains basically static. As early as the beginning of the 1990s, web...

Dialogue marketing

Dialogue marketing is a subcategory of direct marketing. Companies address consumers in a variety of customer-specific ways: by phone by mail electronically On the basis of personal data, they offer the products or services in which the recipients are interested based on their previous purchasing behaviour. In online marketing,...

Digital Signature

The digital signature secures the non-repudiable authorship and the integrity (unchangedness) of a message. The digital signature is an asymmetric cryptosystem. Unlike electronic signature (legal term), digital signature is a technical definition. Alternative terms are electronic signature and digital signature procedure. How does the digital signature procedure work? The...

DigitalOcean

DigitalOcean is a relatively new provider in the hotly contested cloud business. The provider has only been active on the market since 2011, but thanks to its specialisation in the particular requirements of small and medium-sized enterprises, it has been able to assert itself against established cloud providers such...

DIN EN ISO 9241

DIN EN ISO 9241 is a standard that describes the interaction between humans and computers. It was initially conceived as a European standard (this is evident from the abbreviation EN) and was adopted exactly by Germany, where it bears the title “Ergonomics of human-system interaction”. Structure of the standard...

Disk Operating System (DOS)

What does Disk Operating System mean? The Disk Operating System (DOS) is an operating system of the early computer generation. In contrast to the room-filling mainframes from the early days of computer science, the term is also associated with a manageable size and the ability to access memory in...

Display Select Keywords

Meaning Advertising on the internet means for the most part advertising on Google. With Display Select Keywords, Google offers advertisers a tool for optimal placement of their ads. What are Display Select Keywords? Display Select Keywords, abbreviated as DSK, is a function of Google for the targeting of PPC...

Django

Django is an open source framework for web applications written in the Python programming language. A framework represents a kind of building block system that comes with a variety of pre-built parts, making web app development much easier. Why do you need a framework? ...

DNS hijacking

Every website is assigned a unique IP address. Hackers use this uniqueness to direct Internet users to fake websites through DNS hijacking, What is DNS hijacking? DNS hijacking refers to a malicious hacking attack. The goal of these attacks is to direct Internet users to fake websites that are...

DNS lookup

What does DNS lookup mean? Based on the worldwide Domain Name System (DNS), every computer connected to the World Wide Web or to a network must have a unique IP number. If we do not know this number and want to deduce the IP address from the computer’s speaking...

DNS spoofing

What does DNS spoofing mean? DNS spoofing, also called cache poisoing, is a dangerous form of attack on a PC. The aim of the attackers is to smuggle in malware and gain access to sensitive user data. If this involves bank or credit card data, considerable damage can be...

DNS-based Authentication of Named Entities (DANE)

Various protocols are summarized under the name DNS-based Authentication of Named Entities (DANE) . They are standardized by the Internet Engineering Task Force. The DNSSEC infrastructure of the Domain Name System is used for authentication. Security on the Internet can be significantly increased if keys are inserted into the...

DNS-Flush

What does DNA flush mean? When the home PC or company computer establishes communication to the Internet or a network, it remembers the results of these connections. This is generally known with web browsers. They continuously write data to a local memory while surfing. The information is used for...

DNSSEC

Domain Name System Security Extensions, or DNSSEC, are a set of protocols that add a layer of security to Domain Name System (DNS) search and exchange processes that have become essential for accessing websites over the Internet. While it cannot protect how data is distributed or who can access...

Docker

What does Docker mean? Docker is a software that enables container virtualization of applications. By using this technology, applications including their dependencies can be packed into an image and then executed in a Docker container using a special engine. Except for some interfaces to the operating system and hardware,...

DOCTYPE

What does DOCTYPE mean? In order for a browser to display a website correctly, it must know, among other things, what type of HTML document it is. The DOCTYPE provides the browser with all necessary information. What is the DOCTY? The !DOCTYPE is the first and most important element...

Document Object Model (DOM)

What does Document Object Model mean? The Document Object Model is a specification of an interface. It was developed by the World Wide Web Consortium to dynamically modify XML and HTML documents and adapt them to different Web browser environments. Definition The DOM represents a W3C standard, which is...

Domain Crowding Update

Domain CrowdingUpdate is a term that can be translated as restriction of domains. Under this term, various updates from Google are summarized, which have the goal of reducing domain crowding. Quality and relevance increases in the use of Google should be the result. Domain Crowding Update – how it...

Domain Generation Algorithm

A Domain Generation Algorithm (DGA) is a program that creates slightly different variations of a given domain name. Who uses such a Domain Generation Algorithm (DGA)? The large number of possible access points makes it difficult for law enforcement to effectively destroy botnets, as the infected machines sometimes attempt...

Domain grabbing

What does domain grabbing mean? In domain grabbing, people register a large number of Internet domain names. Most of them are generic terms that denote, for example, a specific product category or industry. Sometimes they also buy domains with different variants of brand and personal names. For these domain...

Domain hijacking

Domain hijacking is generally defined as an attempt to transfer or steal ownership or control of a domain from its rightful owner. It often involves a fraudulent registration request or other false change to a domain’s registration. This type of activity usually harms the rightful domain owner. How do...

Domain Name System (DNS)

What does Domain Name System mean? The worldwide standardized assignment of speaking URLs to numerical IP addresses is called Domain Name System. The construct is often compared to a telephone directory. Just as a resident has a name with a corresponding telephone number, a server has a name with...

Domain parking

What does Domain Parking mean? With Domain Parking, owners leave a domain unused in terms of content, while at the same time most of them want to earn money through advertisements. This procedure is particularly interesting for Expired Domains, i.e. domains that have become free. The probability is high...

Doorwaypage

What is a doorway page? A doorway page is a web page that was created especially for the search for certain keywords in search engines and serves as an entry point through which visitors reach the main content. In practice, the use of doorway pages is very different. They...

Dorking

What’s Dorking? Dorking is also called Google-Dorking or Google-Hacking. It is not an attack on the search engine, but on the websites that can be found via Google. Special search queries are used to filter out content from the websites that is not intended for the public. These are...

Double opt-in

If website operators send e-mails without the consent of the recipient, they are committing a violation of the law against unfair competition. By using the double opt-in procedure they are on the safe side. What does double opt-in mean? Double Opt-in is the name given to a two-stage registration...

Double opt-out

What does Double Opt-out mean? Double Opt-out is a two-step process by which users can unsubscribe from a newsletter. It takes two clicks to complete the logout: Users initiate their cancellation with a first click, usually a corresponding link can be found in the newsletter. The second step in...

DPI (Dots per Inch)

In printing technology, measurements are not given in centimeters or millimeters, but in DPI (dots per inch). What does DPI mean? In printing technology, DPI (dots per inch) indicates how many dots are printed on a 1 inch (25.4 mm) long straight line. DPI is thus a measure of...

Drive-by-Exploits / Drive-by-Download

What does Drive-by-Exploits / Drive-by-Download mean? When a computer becomes infected with malicious software simply by visiting a website, this is called drive-by exploits / drive-by download. The industry calls this type of attack a “drive-by” download because the user does not have to click anything on the malicious...

Drupal

Drupal is a Content Management System (CMS), which is provided free of charge to users as open source software. The Content Management System was originally developed in 1999 by the Belgian computer scientist Dries Buytaert and was able to build up a large user base within a short time....

DSGVO

The DSGVO came into force on 25 May 2018. It serves to protect the personal data of people who come into contact with a company or public institution. What is hidden behind the abbreviation? DSGVO is the abbreviation for Basic Data Protection Regulation. It was conceived by the European...

Duplicate Content Checker

What is a Duplicate Content Checker? A Duplicate Content Checker is used to check for copied content on the Internet. Duplicate content has a negative effect on the rating of search engines like Google. If Google notices that website content is copied text, this is penalized by a lower...

Dwell Time

What does Dwell Time mean? Dwell Time means in English retention time, in search engine optimization it indicates the time span from clicking on a link in a search engine to returning to the search engine. Google and other search engines use this value to estimate the quality of...

Dynamic DNS (DynDNS)

Dynamic DNS (DynDNS) or DDS is a service that assigns IP addresses to Internet domain names. It is a service that allows you to access your home computer from anywhere in the world. DDNS serves a similar purpose to the Internet’s Domain Name System (DNS) in that DDNS allows...

Dynamic Host Configuration Protocol (DHCP)

What does Dynamic Host Configuration Protocol mean? The Dynamic Host Configuration Protocol, which was standardized and distributed in 1993, offers possibilities for the automatic network configuration of computers by a server service. As a rule, manual settings must be maintained on a computer before it is integrated into a...

Dynamic Keyword Insertion (DKI)

Advertising on the Internet is more interesting for surfers the more relevant it is to a search query. With Dynamic Keyword Insertion (DKI), Google offers advertisers a way to automatically adjust the keywords in their ads. What does Dynamic Keyword Insertion (DKI) mean? Dynamic Keyword Insert ion (DKI) is...

Dynamic Search Ads

Paid search engine advertising is an indispensable part of the corporate strategy for many companies today. With Dynamic Search Ads, ads can be placed on Google in a targeted and flexible manner. What is Dynamic Search Ads? Dynamic Search Ads, abbreviated DSA, is a function of Google Ads with...

Dynamic search displays

Dynamic search ads are search ads that are served based on the content of a website. Google essentially crawls the website and then matches search terms that are closely related to the content on the website. From that point, the headline and landing page are dynamically generated to match...

Dynamic Serving

Similar to Responsive Design, Dynamic Serving websites use only one URL for each device that searches for your website. The big difference is that the HTML structure of your website varies from device to device. What are the benefits of Dynamic Serving? What are the disadvantages?

Dynamic URL

A dynamic URL (or dynamic web page) is generated specifically in response to a user’s request. Unlike static web pages, dynamic URL (address) pages are not stored as a whole on the server from which they are retrieved. Instead, they are generated according to specific parameters that are part...

Third-party audit

A third party audit is carried out when a company has decided to create a quality management system (QMS) that complies with a standard set of requirements such as ISO 9001 and hires an independent company to carry out an audit to check whether the company has succeeded in...