Glossary
An incomprehensive encyclopedia of technology and design.
Every industry has its jargon. Here's what all of it actually means, in plain language, so you can make better decisions about your website.
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CSS Holly Hack
The CSS Holly Hack was a technique that used CSS comments and property parsing differences to target specific versions of Internet Explorer, named after Holly... Read more →
CueCat
CueCat was a cat-shaped barcode scanner distributed free with magazines and newspapers in 2000-2001, designed to let users scan barcodes that would automatically open related... Read more →
Cufón Font Replacement
Cufón was a JavaScript and Canvas-based font replacement technique that converted TrueType fonts into vector graphics, allowing custom typography on websites without requiring Flash or... Read more →
Cultural SEO
Cultural SEO involves adapting SEO strategies to align with local cultural values, search behaviors, social media preferences, and communication styles specific to different markets and... Read more →
Cumulative Layout Shift (CLS)
Cumulative Layout Shift measures the visual stability of a webpage by tracking unexpected layout movements during the page loading process, calculated as the sum of... Read more →
Custom Events
Custom events are user-defined analytics tracking points that measure specific interactions beyond standard pageviews, such as file downloads, video plays, form submissions, scroll depth, or... Read more →
Customer Data Platform (CDP)
A Customer Data Platform is a system that creates unified, persistent customer profiles by collecting and organizing customer data from multiple sources, enabling personalized marketing... Read more →
Customer Feedback Management
Customer feedback management involves systematically collecting, analyzing, and acting on customer opinions, suggestions, and complaints to improve products, services, and overall customer experience. Why Customer... Read more →
Customer Journey Mapping
Customer journey mapping is the process of visualizing and analyzing every touchpoint and interaction a customer has with a brand, from initial awareness through purchase... Read more →
Customer Lifetime Value
CLV. The total revenue you can expect from a single customer over the entire relationship. Calculated as: (Average Purchase Value x Purchase Frequency x Customer... Read more →
Customer Relationship Management (CRM)
A Customer Relationship Management system is a technology platform that centralizes customer data, interactions, and communications to help businesses manage relationships, track sales processes, and... Read more →
Customer Retention Strategies
Customer retention strategies are systematic approaches to keep existing customers engaged, satisfied, and loyal to reduce churn while increasing their lifetime value through targeted programs... Read more →
Customer Success Management
Customer Success Management is a proactive approach to ensuring customers achieve their desired outcomes while using a product or service, focusing on value delivery, relationship... Read more →
Customer Support Optimization
Customer support optimization involves improving support processes, channels, and resources to provide faster, more effective assistance that resolves customer issues while maintaining satisfaction and loyalty.... Read more →