UI designer, 34
UI design tool, 339
Ullman, Larry, 349
UML. See Unified Modeling Language
Uncontrolled form components, 568, 569–570
Unicode Transformation Format (8-Bit) (UTF-8), 86
Unified Modeling Language (UML), 647
class diagram, 647
inheritance, display, 652f
Uniform Resource Locator (URL), 7, 58–60
components, 58f
decoding, example, 655f
domains, 58
encoding, 202f
fragment, 59–60
path, 59
port, 58–59
protocol, 58
query strings, 59, 59f
redirection, 918–922
relative referencing, 92–95
rewriting, 920–922
scrapers, 936–937
SEO, 945–946
shortening, 959–960
service, illustration, 960f
Unique Page Views, 997
Unit test, 822, 884
Universal element selector, 133
Unordered lists, 99
UPDATE statement (SQL), 727
URL. See Uniform Resource Locator
Usage policy, 818
USENET
construction, 6
groups, 956
User-agent components, 61f
User-agent string, 61
User Datagram Protocol (UDP), 47
User-experience (UX) design, 34
User input
data, integration, 745c
integration, 745c
sanitizing, 660
validation, 222–227
error reduction, 224–227
notification, 223–224
types of, 222–223
User management, 977–978