Custom URLs are shortened web addresses that are designed to be memorable, e.g. the one for recitals at Westminster Abbey is "organrecitals.com/abbey". Each custom URL simply re-directs the browser to the long-address page that it's associated with (in this case, the somewhat less-memorable "http://www.organrecitals.com/1/recitals0.php?venue=westabbey").
All pages on organrecitals.com, including those with Custom URLs, can be accessed via a second website, org2.co – this allows further shortening of addresses (e.g. "org2.co/abbey"), which may be useful when advertising links on platforms where the number of characters is limited. Please note that lower case letters must be used when typing the URLs shown here.
The pages for most cathedrals and abbeys can be accessed by typing "organrecitals.com/" and the venue's location, e.g.