UKOLN AHDS Making Software Changes to a Web Site


It is desirable to minimise the time a Web site is unavailable. However it may be necessary to bring a Web server down in order to carry out essential maintenance. This document lists some areas to consider if you wish to minimum down time.


The key to any form of critical path situation is planning. Planning involves being sure about what needs to be done and being clear about how it can be done. Quality Assurance is vital at this stage and final 'quality' checking is often the last act before a site goes live or a new release is launched.

Prior to Down Time

During Down Time

After Down Time


Advance preparation is vital if you want to minimise time your site downtime and avoid confusion when installing new releases.


  1. Error Detection on the UKOLN Web site, QA Focus, UKOLN,