, 312, 318, 319, 332, 593
Trademark Electronic Search System (TESS), 410
trademarks, 410
Transfer Control Protocol (TCP), 11
Transitional XHTML, 25, 35, 55, 537, 543
Transmission Control Protocol/Internet Protocol
(TCP/IP), 2, 10–11
transparency, GIF images and, 128
, 45, 587
Tweets, 17, 515
Twitter, 17–18, 515
two-column page layout, 240–245
.txt, 29
type attributes, 39–42, 429, 440, 581, 586, 598,
602, 604, 605
U
, 45, 587
umlaut, 608
underagerock.com, 185
Unicode, 26, 579
Uniform Resource Identifier (URI), 12
Uniform Resource Locator (URL), 2, 12, 13
United States Mint, 184
unit testing, 406
Universal Discovery, Description, and Integration
(UDDI) standard, 16–17
unload, 543
unordered lists, 40–42, 90, 281
uploading files, 414
uppercase, HTML 4 vs. HTML 5 and, 623–624
U.S. Census Bureau, 192
U.S. Patent and Trademark Office (USPTO), 410
usability
handheld devices and, 295–296
testing for, 408
usemapattribute, 143, 591
Usenet newsgroups, 519
UTF-8, 26, 579–580
V
validation
code, 508
XHTML, 53–55, 101
validators, 407
valignattribute, 321, 333, 593
value attribute, 357–360, 362–365, 374, 599,
601, 602
<var>, 44, 587
variables, 546–550
vertical-alignproperty, 232, 618
vertical bar, 609
|(vertical bar), 46
video, Adobe Flash and, 439
video files
copyright issues and, 436–437
explanation of, 427
object element and, 344–435
problems related to, 432
virtual hosting, 412
visibilityproperty, 232, 618
visitedpseudo-class, 276, 619
vlinkatribute, 583
vspace attribute, 133, 134, 591
W
.wav, 425
W3C. SeeWorld Wide Web Consortium (W3C)
WCAG 2.0, 198–199, 455
Web. SeeWorld Wide Web
Web 2.0, 18, 454
Web Accessibility Initiative (WAI), 5, 148
Web analytics, 513–514
Index^667