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Towards Appraising Online Stores. Ernest Cachia Mark Micallef Software Engineering Process Improvement Research Group (SEPI). Introduction. Overall Goals. The First Step. Initial Targets. Identify most important quality attributes in e-commerce systems
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Towards Appraising Online Stores Ernest Cachia Mark Micallef Software Engineering Process Improvement Research Group (SEPI)
Initial Targets • Identify most important quality attributes in e-commerce systems • Limit Scope to the Online Store variety of E-Commerce Systems (for the time being) • Success of such systems depends largely on users accessing a website and buying products or services • Therefore, users’ opinions should be given a large weighting
Overview of Activities • Research into existing work • Discovering how e-commerce systems differ from generic systems • Designing a questionnaire • Conduct a survey amongst 350 e-commerce users • Analysis of results • Extraction of important e-commerce attributes (and their importance ranking)
Why was this information required? • Identifying why e-commerce systems differ was an important step: • Further justifies the need for an e-commerce metrication framework • Allows us to identify quality attributes based on these differences • 5 main differences were identified
How E-Commerce System Differ • Content Driven (Navigability) • Exposed to the world (Security) • Browser-Based (Portability) • Enormous User Base (Scalability, Multilinguality) • Frequent Change (Maintainability, Reliability)
Survey Design • Designed to rank importance of quality attributes defined above • Divided into two parts: • Section 1: Collection of demographic information about users • Section 2: Collection of information about which attributes are deemed most important by users
Example Questions from Section 1 • Age Group • Main use of e-commerce (personal or business) • Education Level • Frequency of online shopping • Products/Services bought online • OS, Browser, Devices
Example Questions from Section 2 • Abandoned Transactions • Reasons for abandoned transactions • “First Impression” Factors • Intentions when visiting an e-commerce site • Ranking of attributes/features
Our Sample Space • 350 Respondents • 94% of participants were under 50 years old • Browser usage, OS usage and Device usage compare to other surveys carried out
Security and Privacy Issues(1/3) • Security turned out to be an important factor • For example, when asked to identify a reason why they would prefer not to use e-commerce, users replied as follows…
Security and Privacy Issues (2/3) • How sure would you have to be about a site’s security capabilities before you buy from it?
Security and Privacy Issues (3/3) • When asked to rank the importance of quality attributes in order of importance, security received and average scored of 6.24 (out of a possible 7). • This made it the most important quality attribute as perceived by users of e-commerce systems • We recommended security as an essential quality attribute in e-commerce systems
Portability Issues (1/4) • Refers to the extent to which a system is accessible from different operating systems, browser and devices • Participants ranked portability as the 5th most important attribute (out of 7) • Case for portability not too strong if one relies on the results of this survey
Portability Issues (2/4) • 98% of respondents use WindowsTM -based OSs • Almost 93% use Desktop PCs • 95% use Internet ExplorerTM • Less than 4% of users who abandoned transactions did so because of compatibility problems
Portability Issues (3/4) • Results seem to indicate that portability is not important • However one must be careful: • 88.7% of users will not change browsers so as to be able to view a particular site • A small percentage of customer lost due to lack portability might still amount to large amounts of lost revenue • New mobile technologies are likely increase the importance of portability issues in e-commerce
Portability (4/4) • Portability is recommended as a necessary attribute in e-commerce systems • However, in the current environment, compatibility with dominant technologies would seem to ensure a sufficient reach
Performance and Scalability (1/3) • Speed is important to users • 33% of users who abandoned transactions mid-way through did so because the site was too slow • Only 18.4% would remain unconditionally loyal to their favorite site if it became slow
Performance and Scalability (2/3) • What is the most important “first impression” factor you look for in a site?
Performance and Scalability (3/3) • Participants ranked performance as the 4th most important quality attribute • We are recommending Performance as an essential quality attribute
Navigability (1/3) • Why did you abandon transactions mid-way through? Also more likely to simply find another site
Navigability (2/3) • 72% of users know beforehand what they are looking for when visiting an online store • This indicates that search and navigation features are important • 30% of participants also chose navigation as their primary “first impression” factor
Navigability (3/3) • Navigability was ranked as the 3rd most important attribute by users • We are recommending usability with an emphasis on navigability as an essential quality attribute in online stores
Multi-Lingual Features • Not being recommended as an essential attribute • The importance of such features is highly dependant on the context in which an online store is operating • 51% of participants claim e-commerce systems could still be classified as a quality system if it had no multi-lingual features • Respondents ranked this feature in 6th place (out of 7)
Low-Bandwidth Version of Site • Some e-commerce sites have a text-only or low-bandwidth version available • Useful for users with slow connections • 52.5% of participants deem such a feature unnecessary • Users ranked this attribute as the least important • Considering increasing popularity of broadband connections, we are not recommending this as a necessary attribute
Ranking of Essential Attributes • Security • Reliability • Navigability • Performance • Portability
Conclusions and Further Work • These results are an important first step to our overall goals • Since this research we have explored: • Information Architecture • Graph Theory • Security • Further work will include: • Investigation into each of the above attributes and how they can be measured • Development of a metrication framework that will combine metrics for different attributes together • Development of a list of guidelines • Incorporation of guidelines into framework