Glossary A–Z

Terms starting with C

64 terms. Search all 545 terms →

Web Development

CDN

A CDN is a network of distributed servers that delivers web content to users from a location geographically close to them.Read definition →
Web Development

CI/CD

CI/CD is an automated pipeline that builds, tests, and deploys code changes continuously.Read definition →
Web Development

CMS

A CMS is software that lets people create and manage website content without coding.Read definition →
Web Development

CORS

CORS is a browser security mechanism that controls whether a web page can request resources from a domain other than its own.Read definition →
PPC

CPA

CPA is the average cost an advertiser pays to acquire one customer or conversion.Read definition →
PPC

CPC

CPC is the amount an advertiser pays for each click on a pay-per-click ad.Read definition →
PPC

CPL

CPL is the average cost an advertiser pays to generate one lead.Read definition →
PPC

CPM

CPM is the cost an advertiser pays for one thousand impressions of an ad.Read definition →
Web Development

CSS

CSS is the language used to control the visual appearance and layout of web pages.Read definition →
Analytics

CTR

CTR is the percentage of people who click a link, ad, or result out of those who see it.Read definition →
Web Development

Caching

Caching is the practice of storing copies of files or data so future requests can be served faster.Read definition →
PPC

Call Extension

A call extension adds a phone number or call button to a search ad.Read definition →
Web Design

Call to Action

A call to action is a prompt that urges a visitor to take a specific, desired step.Read definition →
PPC

Callout Extension

A callout extension adds short non-clickable phrases beneath a search ad to highlight selling points.Read definition →
SEO

Canonical Tag

A canonical tag tells search engines which version of a duplicate or similar page is the primary one.Read definition →
Web Design

Carousel

A carousel is a rotating slideshow that cycles through a set of images or cards in one space.Read definition →
AI / GEO

Chain of Thought

Chain of thought is prompting an AI model to reason step by step before giving its final answer.Read definition →
AI / GEO

Chatbot

A chatbot is a program that converses with users through text or voice to answer questions or complete tasks.Read definition →
SEO

Citation

A citation is any online mention of a business's name, address, and phone number, usually on a directory or listing site.Read definition →
PPC

Click Fraud

Click fraud is the malicious or invalid clicking of pay-per-click ads with no genuine interest.Read definition →
Content & Email

Click-to-Open Rate

Click-to-open rate is the percentage of email recipients who clicked a link after opening the message.Read definition →
SEO

Cloaking

Cloaking is the black-hat practice of showing search engines different content than the content shown to human visitors.Read definition →
Tech Stack

Cloudflare

Cloudflare is a global network that speeds up and protects websites from attacks and downtime.Read definition →
Web Development

Code Splitting

Code splitting breaks a site's JavaScript into smaller bundles loaded only when they are needed.Read definition →
Analytics

Cohort Analysis

Cohort analysis groups users by a shared trait or start date to compare their behavior over time.Read definition →
Web Design

Color Palette

A color palette is the defined set of colors used consistently across a brand or design.Read definition →
SEO

Commercial Investigation

Commercial investigation is a search where someone is researching options before making a purchase.Read definition →
Web Development

Commit

A commit is a saved snapshot of code changes in version control, each recorded with a message.Read definition →
Social Media

Community Management

Community management is the practice of actively engaging and nurturing a brand's audience online.Read definition →
Web Development

Component

A component is a self-contained, reusable piece of a user interface, such as a button, form, or card.Read definition →
Web Design

Component Library

A component library is a shared collection of reusable interface pieces used across a product.Read definition →
Analytics

Confidence Level

Confidence level is the percentage that expresses how certain you can be that a test result is reliable.Read definition →
Analytics

Consent Mode

Consent mode is a framework that adjusts how tags collect data based on a user's consent choices.Read definition →
Content & Email

Content Audit

A content audit is a systematic review of a website's existing content to assess its quality and performance.Read definition →
Content & Email

Content Calendar

A content calendar is a schedule for planning and organizing what content will be published and when.Read definition →
SEO

Content Gap

A content gap is a topic or keyword your audience is searching for that your website does not yet cover.Read definition →
Content & Email

Content Marketing

Content marketing is the practice of creating and sharing valuable content to attract and retain a defined audience.Read definition →
Content & Email

Content Pillar

A content pillar is a central topic or theme that supports and organizes a cluster of related content pieces.Read definition →
SEO

Content Pruning

Content pruning is the practice of removing, consolidating, or improving low-value pages to raise a site's overall quality.Read definition →
SEO

Content Refresh

A content refresh is the process of updating an existing page with current, accurate, and more complete information.Read definition →
Content & Email

Content Repurposing

Content repurposing is the practice of adapting one piece of content into multiple formats for different channels.Read definition →
SEO

Content Silo

A content silo is a site structure that groups related content into distinct, tightly interlinked topic sections.Read definition →
Tech Stack

Contentful

Contentful is a headless content management system that stores content centrally and delivers it through APIs.Read definition →
AI / GEO

Context Window

A context window is the amount of text an AI model can consider at one time, measured in tokens.Read definition →
Web Design

Contrast Ratio

Contrast ratio is a measure of the luminance difference between two colors, typically text and its background.Read definition →
AI / GEO

Conversational AI

Conversational AI is technology that lets machines understand and respond in natural human dialogue.Read definition →
Analytics

Conversion Funnel

A conversion funnel is the step-by-step path a visitor follows toward completing a desired action.Read definition →
Analytics

Conversion Rate

Conversion rate is the percentage of visitors who complete a desired action, like a purchase or form fill.Read definition →
Content & Email

Conversion Rate Optimization

Conversion rate optimization is the practice of increasing the percentage of visitors who complete a desired action on a website.Read definition →
PPC

Conversion Tracking

Conversion tracking measures the valuable actions people take after clicking an ad.Read definition →
PPC

Conversion Value

Conversion value is the monetary worth assigned to a conversion so campaigns can measure revenue rather than just counting actions.Read definition →
Web Development

Cookie

A cookie is a small file a website stores in a user's browser to remember information across pages and visits.Read definition →
Content & Email

Copywriting

Copywriting is the craft of writing persuasive text designed to prompt a specific action from the reader.Read definition →
SEO

Core Update

A core update is a broad, significant change Google makes to its main search ranking algorithm several times a year.Read definition →
SEO

Core Web Vitals

Core Web Vitals are Google's metrics for a page's loading speed, interactivity, and visual stability.Read definition →
SEO

Cornerstone Content

Cornerstone content is the set of most important, foundational articles that a website is built around.Read definition →
SEO

Crawl Budget

Crawl budget is the number of pages a search engine will crawl on your site within a given time frame.Read definition →
SEO

Crawl Error

A crawl error is a problem that prevents a search engine bot from successfully accessing a page on your site.Read definition →
SEO

Crawlability

Crawlability is how easily search engine bots can access and move through the pages of a website.Read definition →
Web Development

Cron Job

A cron job is a task scheduled to run automatically at set times or intervals on a server.Read definition →
SEO

Cumulative Layout Shift

Cumulative Layout Shift measures how much a page's visible content unexpectedly moves around while it loads.Read definition →
Analytics

Custom Dimension

A custom dimension is a user-defined attribute added to analytics to capture data the standard setup does not.Read definition →
PPC

Custom Intent Audience

A custom intent audience is a Google Ads targeting option built from the keywords people search and the sites they engage with to signal purchase intent.Read definition →
Analytics

Custom Metric

A custom metric is a user-defined numeric measurement added to analytics beyond the standard set.Read definition →