CTR
Short for click-through rate, the ratio of the number of times a user clicks on an online advertisement per number of viewers who view the Web site that has the advertisement on it. For example, if one out of 100 people who visit a specific Web site click on an advertisement and are taken to the advertiser’s site, then the CTR of that advertisement is 1/100, or 1%.
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- clickjack attack
Clickjacking, or clickjack attack, is a vulnerability used by an attacker to collect an infected user’s clicks. The attacker can force the user to do all sort of things from adjusting the user’s computer settings to unwittingly sending the user to Web sites that might have malicious code. Also, by taking advantage of Adobe Flash […]
- clickstream
A virtual trail that a user leaves behind while surfing the Internet. A clickstream is a record of a user’s activity on the Internet, including every Web site and every page of every Web site that the user visits, how long the user was on a page or site, in what order the pages were […]
- Client
(klī´&nt) (n.) The client part of a client-server architecture. Typically, a client is an application that runs on a personal computer or workstation and relies on a server to perform some operations. For example, an e-mail client is an application that enables you to send and receive e-mail.
- client access license
Short for client access license, CAL is a license that gives a user the right to access the services of the server. CALs are primarily used for Microsoft Server products where the CAL is based on a per seat licensing (also called per user or per device), per server licensing, per processor licensing, or per […]
- Client-Server Architecture
Client-server architecture (client/server) is a network architecture in which each computer or process on the network is either a client or a server. Servers are powerful computers or processes dedicated to managing disk drives (file servers), printers (print servers), or network traffic (network servers ). Clients are PCs or workstations on which users run applications. […]