Dynamic content

Content that adjusts based on various factors over time, including user input (search queries), server-side data (product availability) or user location.

Dwell time

Measures how long users stay on a specific web page after clicking from a search result. It’s an engagement metric that tells how interesting and valuable your content is.

Duplicate content

Identical or substantially similar content that appears on multiple web pages. This can happen within a single website or across different domains.

DuckDuckGo

A search engine founded in 2008 that prioritizes user privacy, It doesn’t track search queries or collect personal data. Instead, it relies on 400 sources to deliver unbiased results without filtering or personalization.

Doorway Page

Low-quality, irrelevant web pages designed to rank well for specific keywords. They redirect users to a different, more relevant page on the same website.

Domain Rating

A score developed by Ahrefs that estimates a website’s ranking potential based on its backlink profile. A high DR means a good chance of ranking well.

Domain name server(DNS)

A naming format that translates human-readable domain names into numerical IP addresses that computers understand.

Domain name registrar

A company that allows you to register and manage domain names. They work as intermediaries between you and domain name registries which hold the master database of domain names.

Domain name

The unique address users type in their browsers to access a website. It’s the website’s identity on the internet. Ex: “www.google.com” is Google’s domain name.

Domain History

A record of domain name’s ownership and registrations over time. This can include past owners, registrars and changes to DNS records.

Domain Authority

A score developed by Moz that predicts how likely a website is to rank well in search results. It considers backlinks and website quality.

Domain Age

The length of time a domain has been registered. Search engines consider domain age as one factor among many when ranking websites.

Domain

The unique address that identifies a website on the internet. It directs users to a specific set of web pages on a server. For example, nike.com

DOM

A web page’s structure and content as a tree-like hierarchy. Scripting languages like JavaScript can access and manipulate this structure after it loads.

Dofollow link

Hyperlinks that tell search engines to follow them and pass on ranking authority (link juice) to the linked webpage. This boosts a website’s search visibility.

Dofollow

A hyperlink that instructs search engine crawlers to follow the link and pass on link equity, also known as “link juice,” to the linked webpage.

Documentation

A complete set of instructions, tutorials, and references that explain how to use software, a website, or a product. It can cover topics like how to install, operate or troubleshoot, etc.

DNS

A Domain Name Server translates human-readable domain names (like “moz.com”) into machine-readable numeric IP addresses (ex: “142.250.184.196”).

DMOZ

A large, free, open-source web directory that existed from 1998 to 2017. Edited by human volunteers, it categorized websites by topic.

Distance

The physical proximity between a searcher’s location and the address of a business listed in the local pack.

Display advertising

Online graphic advertisements through banners, videos, images, etc. placed on websites and apps to build brand awareness, drive traffic or influence user behavior.

Display Ads

Visually engaging online ads that use text, images, animations or video to capture and promote a brand or product.

Disavow tool

A feature within Google Search Console that allows website owners to submit a disavow file.

Disavow File

A specific text file (.txt) that tells Google which links to your site you want them to ignore. This is used to remove your website from low-quality backlinks.

Disavow

The process of asking Google to ignore a specific link pointing to your website. This is done through a text file submitted to search consoles.

Directory links

Links from high-quality online directories relevant to your niche. These links can improve SEO for local businesses with accurate NAP (Name, Address and Phone number) listings.

Directory

An online database that organizes websites by category, location or niche. Listing in relevant directories can boost your SEO and drive traffic for local businesses.

Directories

Online listing of websites categorized by industry, location or niche. Some directories are general (Yellow Pages) and others are industry-specific.

Direct Traffic

Website visitors who arrive without a clear referrer. This could be because they typed the URL directly, used a bookmark, clicked a link from an email (not tracked) or came from a document.

DevOps (development operations)

DevOps is a culture, set of practices and tools that bridge the gap between software development (Dev) and IT operations (Ops).

Destination Site

The final web page users reach after clicking on an ad on a link. It’s designed for purposes like a sale or signup and should be optimized to achieve that goal.

Deployment

Releasing a software application or update from a development environment to a production environment where users can access it.

Demographics

Measurable characteristics of a population, like age, gender, income, education, location, and ethnicity.

Delisting

The removal of a web page or website from a search engine directory. It differs from deindexing as it may be temporary and the content might still be accessible on the original website.

Deindexed

Deindexed webpages are hidden from search results by Google. These pages can’t be found organically, but users with the URL can still access them.

DeIndex

The process of removing a webpage or website from search engine results pages. This is done for outdated content, low quality or privacy concerns.

Deep Link Ratio

Deep Link Ratio measures the percentage of internal links on a website that lead to specific pages, rather than just the homepage.

Deep Link

URLs that take users directly to a specific page within a mobile app, bypassing the homepage.

Declined Keywords

In search engine marketing, these are the keywords removed from an ad campaign due to poor performance. This can be done manually or automatically.

Debugging

The process of identifying and fixing errors or bugs in a program. It involves analyzing why the program isn’t working as expected and then identifying the root cause of the issue.

DeadEnd Page

A website page with no clear way out for users. It lacks navigation menus, internal links, or breadcrumbs, frustrating visitors and hindering website flow.

Dayparting

It’s a strategy in ad scheduling. It involves targeting specific times of day when your audience is most likely to be online and engaged with ads.

Data structures

The format used to organize, process, retrieve and store data in a computer system. They impact how easily data can be accessed, added or removed.

Dark search

The unknown queries users have but don’t feel comfortable typing into search engines. These searches can be highly personal, confidential, or embarrassing.

DA

Developed by Moz, DA is a score (from 1 to 100) predicting a website’s ranking potential in search results (SERPs) based on backlinks, website age, domain popularity and other factors.

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