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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.

452 terms and counting

U

Under Construction GIFs

"Under Construction" GIFs were animated images featuring construction workers, traffic cones, or flashing text that website owners placed on pages to indicate incomplete or work-in-progress... Read more →

Underscore Hack

The Underscore Hack was a CSS technique that prefixed property names with underscores to target Internet Explorer 6 and earlier versions, exploiting IE's acceptance of... Read more →

Urbanfetch

Urbanfetch was a Manhattan-based luxury delivery service launched in 1999 that promised to deliver premium products like Ben & Jerry's ice cream, Starbucks coffee, and... Read more →

URL Structure

URL structure refers to the format and organization of website addresses, including the use of subfolders, file names, and parameters that create a logical hierarchy... Read more →

Usage Guidelines

## Usage Guidelines ### For Content Discovery – **Technical research** enhanced with historical context and business intelligence – **Strategic planning** informed by historical failures and... Read more →

Usenet

Usenet was a distributed discussion network established in 1980 that organized conversations into hierarchical newsgroups, allowing users worldwide to post and read messages on thousands... Read more →

User Behavior Analytics

User behavior analytics involves tracking, measuring, and analyzing how users interact with websites, apps, or products to understand patterns, preferences, and pain points that inform... Read more →

User Experience (UX) Design

User Experience Design focuses on creating products and services that provide meaningful, relevant, and satisfying experiences for users by understanding their needs, behaviors, and pain... Read more →

User-Generated Content (UGC)

User-Generated Content refers to any content created by users, customers, or fans rather than brands themselves, including reviews, social media posts, photos, videos, and testimonials.... Read more →

User-Generated Video

User-Generated Video refers to video content created by customers, fans, or community members rather than brands themselves, including reviews, testimonials, unboxing videos, and social media... Read more →