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vague or incomplete functional specification: This is the most general fault that companies do. Everything that is ambiguously or not specified at all, developers do not implement or implement in a another direction of what site owners absence. This relates mainly to Web features that are considered as prevalent user expectations. For instance, HTML title tags, which are accustomed to bookmark Web pages. The Web steering council may specify that each page contains a page heading, but does not specify that HTML Title tags needs to be implemented as well. Web developers therefore may do not implement HTML Title tags or implement them in a large part, which differs from site owners' visions. There are other examples such as mistake handling on online forms or the meaning of ALT texts as images to comply with the disabled perform partition 508. These examples look like details but in train, whether developers absence to adjust hundreds or even thousands of pages,[link widoczny dla zalogowanych],[link widoczny dla zalogowanych],[link widoczny dla zalogowanych], it quantities to several man-days or even man-weeks. Especially, the amendments because images as business employers absence first to define the picture labels prior that Web developers can implement the ATL texts. Ambiguous functional description can result deserving to the lack of internal or external missing usability skills. In this circumstance,[link widoczny dla zalogowanych], a one-day usability best practice workshop transfers the needful or at fewest elementary usability skills to the Web group. It is recommended, even for companies that have usability skills or depend on the subcontractor's capability set,[link widoczny dla zalogowanych], that one external and independent adviser reviews the functional specification. Especially, as such reviews narrate to marginal costing as compared to the total Web investments (e.g. approximately $10 K - $15 K dollars for a review).
Future site enhancement not identified or not communicated: It is crucial that the Web committee identifies at least the important hereafter site enhancements and communicates them to the evolution team. In the best case, the development team knows the roadmap for the coming 3 years. Such an approach allows the development team to forecast implementation choices to host future site enhancements. It is more spend effective on mid- or long-term to invest extra in the starting and to build a amenable solution. If Web teams do not know or even bypass future enhancements, the hazard for higher investment increases (e.g. adding new functionality in the future results in partially or at worst in totally reconstructing existing functionality). Looking at the financial delta for a amenable solution versus a solution just satisfying the new requirements, the malleable solution has proven to be extra cost-effective in practice from a mid- and long-term perspective.
Planned functionality no aligned with inner resources: Many companies look at site functionality merely from a site guest outlook (e.g. facilitation of searching information alternatively acting transaction) and corporate benefits (e.g. financial benefits of self-service functions). However, there is a third measurement the clash of site functionality on internal resources. Site functionality that tin heavily impact internal resources are case in point:
- Web sites: providing news, online recruitment, online assist, etc.
- Intranets / portals: providing content maintenance functionality for business managers
It is crucial for the success of site functionality that the Web committee analyzes the impact and takes operations to assure operations of the planned functionality. For example, providing the content conservation functionality to business owners and production mangers with an related workflow. This functionality is effective and can generate business benefits such as depressed period to market. However, in practice, business owners and production managers will need to jot, validate, review, accept and retire content. This results in increased workload. If the Web committee has not defined in the Web governance (processes, policies, ownership and potentially enforcement), it may occur that this functionality is not used and hence

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