Asos.com is a British online fashion and cosmetic retailer, primarily targeted at young adults. The website sells over 850 brands, as well as its own range of clothing and accessories, and ships to 196 countries including Ghana from fulfilment centres in the UK, USA and Europe. They have the friendliest customer care advisors ever, working 24 hours to answer customer queries on social media platforms like Facebook, Twitter, and Instagram, currently in 11 languages. As an e-marketing consultant, discuss and explain using relevant examples,these ways listed below, in which Asos.com can assess the effectiveness of their website and social media platforms in delivering superior customer value.

1. Social media performance metrics
2. Web analytics
3. Balance scorecard
4. Online surveys