Chapter 12. Features to Help the Users

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Chapter 12. Features to Help the Users

• Searchable Documents
• A document that runs a search on your Web site
• Use CGI script
• Work with your Web server administrator
• Consider how to prevent problems with the server
• Have a search screen
• Return search results
• http//liaisons.ou.edu/kjeong/index_82.htm

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Document Relationships

• rel and rev
• next, index, previous, parent
• tmlMore Bugs
• ex.htmlIndex
• p1.htmlSum Bugs
• dex.htmlOriginal Page

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• Description Defines a link to another document
• Attributes class, href, title, rel and rev,
  charset, hreflang, media, etc.
• Note The element may appear only within
  the container
• class
• Indicates either style information, or subdivides
  a common rel or rev attribute
• hrefhttp//somewhere.edu/txt/begin.html
• hrefhttp//somewhere.edu/txt/expert.html
• hrefhttp//somewhere.edu/txt/wizard.html

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• href
• A required attribute of the tag
• title
• Usually describes the object pointed to by the
  href attribute
• Different from the in the
• charset
• Enables a Web weaver to specify the character set
  of the document indicated by the href value
• hreflang
• Specifies the actual language of the document
• Table 12.1

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• media
• Allows the Web author to specify alternative URLs
  for different media types for output
• screen, tty, tv, projection, handheld, print,
  braille, aural, all
• Supplies additional information about the
  document
• Attributes content, dir, http-equiv, lang, name,
  and scheme
• Notes the element can appear only as part
  of the contents of the container
• Each tag has one of these two forms
• or

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http-equiv

• expires
• 2000 000000 GMT
• content-type
• A value of content-type can be used to direct the
  browser to load a specific character set before
  it displays the page
• content-language
• A specific language
• contenten-GB

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• window-target
• refresh
• Allows the Web weaver to specify when a page
  should be reloaded from the server
• Figure 12.11, Figure 12.12
• Guidelines for Using Refresh
• First, give the user enough time to read the
  contents of the screen before you refresh it
• Second, use pages that paint up quickly
• Third, provide a way for your user to stop the
  series

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name

• DESCRIPTION
• Allow some search engines to capture a
  description of your page
• KEYWORDS
• Allow the index-based search engines to have a
  better idea of the topics available on your site
• HTML
• AUTHOR
• The name of that wonderful individual who wove
  the page

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• scheme
• Allows the Web weaver to provide browsers with
  additional information about the context of the
  data
• content06/05/03
• content024772-2

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Custom Bullets

• Three different bullet types in an unordered list
• Circle, disc, square
• Using custom bullet instead of the above
• Figure 12.14

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• Multicolumn Pages
• Figure 12.17, Figure 12.18
• Headlines
• Figure 12.19
• Sidebars
• Figure 12.21
• Push technologies
• A push technology is one where the server sends
  data to the browser, pushing it, without the
  browser requesting it
• Pull technologies
• A pull technology is one where the browser
  requests data from the server, pulling the data
  from the source