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Our detailed dictionary of internet terms

Dictionary Entries For Letter "U"

Unique Visitors
A unique visitor is one that has not visited the site before in any given timeframe. read more >
The means to send a file to the web server either by directly accessing the web server or using an online form to post the file to an area on the server specifically designed to accept the files. read more >
Uptime is the amount of time something is operating correctly for, in internet terms this generally means the time a website is online for, measured in percentages, todays hosting and communications servers can achieve times of up to 99.99% online. read more >
A URL (Uniform Resource Locator) is the address of a page (resource) on the internet. It can consist of just the domain, although it can also include directories and the filename of the resource.
The effectiveness, efficiency, and satisfaction with which users can achieve tasks in a particular environment of a product. read more >