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100 Ideas that Changed the Web
book

100 Ideas that Changed the Web

by Jim Boulton
August 2014
Intermediate to advanced
216 pages
6h 12m
English
Laurence King
Content preview from 100 Ideas that Changed the Web

Don’t look now, but you are being followed

IDEA No 23

THE COOKIE

Every webpage you visit, every file you download, every link you click is scrutinized and recorded. The innocuous technology that makes this possible is a simple text file called a cookie.

For security reasons, cookies are stored on the user’s computer rather than on the Web server.

A cookie is a small set of data sent from a web server and stored on a user’s computer. It records log-in details, preferences and pages visited. When a user revisits a site, the data stored in the cookie is retrieved. The website then uses this information to tailor the experience, avoiding the need ...

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Publisher Resources

ISBN: 9781780676425