The following are the five-core success measurement for any SharePoint project:
1) On-time delivery - the SharePoint functionality was built and deployed on time.
2) Product quality - the SharePoint functionality has minimum bugs and errors.
3) Customer user/satisfaction - the SharePoint functionality is well received by the end users.
4) Business value - the SharePoint functionality provides high business value and cost savings.
5) Product scope (features and requirements) - the SharePoint aspects deployed are part of an on-going cycle of useful features based on needed requirements.