Customer journeys and wireframes
Conversions
Web analytics
Landing pages
Campaign tracking - banner ads, source codes, AdWords
E-commerce tracking
A/B and Multivariate testing

Automated and manual test scripts
Cross-browser testing
Usability and Accessibility
Functional and business rules
Regression and load testing

Emergency recovery
Database integrity
Service failure or errors

Project Management
Developers
Hand coding
Functional Specifications
Database schema design
Testing scripts / UAT

CVS / SVN Code Version management
Bug tracking
Testing programme
Development cycle (Agile)
Release process
Database migration
Frameworks

E-commerce / shops
Online payments
SMS text messaging
Integration and APIs