Cell Phone User Manual

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4.2 Validate Your WML.......................................................................................................................................22
4.3 Site Organization .........................................................................................................................................22
4.3.1 Avoid ‘doormat’ pages...............................................................................................................22
4.3.2 Automatically Detect the Browser.........................................................................................22
4.3.3 Optimise for Size..........................................................................................................................22
4.3.4 Choose Descriptive Card Titles ................................................................................................ 22
4.3.5 Pay Attention to the First Screenful ......................................................................................22
4.3.6 Use of do elements .....................................................................................................................23
4.4 Pictures, Tables, and Color ........................................................................................................................23
4.4.1 Avoid Useless Images.................................................................................................................23
4.4.2 Use Reasonable Image Sizes ................................................................................................... 23
4.4.3 Colormap........................................................................................................................................23
4.4.4 Use Reasonable Table Sizes .....................................................................................................23
4.5 Use of Card Titles and Element Labels...................................................................................................23
4.6 Perform Usability Test ................................................................................................................................24
5 Terms and Abbreviations............................................................................................................................... 25
6 References.......................................................................................................................................................... 27
7 Appendix A. Wireless Application Protocol (WAP).................................................................................. 28
7.1 Introduction...................................................................................................................................................28
7.2 WAP Architecture .........................................................................................................................................28
7.2.1 WAP and Internet architecture...............................................................................................28
7.2.2 Wireless Application Environment (WAE)............................................................................ 28
7.2.3 Wireless Session Protocol (WSP) ............................................................................................ 29
7.2.4 Wireless Transport Protocol (WTP)........................................................................................ 29
7.2.5 Wireless Transport Layer Security (WTLS)........................................................................... 29
7.3 Developing Applications for Mobile Browsing ...................................................................................29
7.4 Additional Information ..............................................................................................................................30
WAP Service Developer’s Guide for Nokia 9200 Communicator Series
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