Staden.cc - city websites in Sweden
This multi-site platform is one of the biggest of it's kind in Sweden. Each city website has local content such as; upcoming events, buy & sell objects, properties, movies, job ads, articles, police stories, and much more. Some of the local sites also have local company guides, in areas such as restaurants, hotels, cafés and so on.
The site staden.cc holds the 186 sites together and displays links to the different city sites.
The 186 city portal websites are built on a customized Drupal 6 / Pressflow installation. The frontend server is running Drupal, backed up by a database server. Content is cached by a Varnish server and we also use a webmail server delivering free mail accounts and an OpenX server delivering banners. The domains module is the main functionality upon which the multisite installation is built.
The site has around 130 installed modules working together.
There is a massive feed aggregation pulling content and assigning it to different domains, also we have internationalization support in place delivering some of the websites in different languages (costadelsol.st for example).
Other techniques that are used extensively is cck/views/panels as well as feed aggregator.
Users are divided in different roles. Some of the administrator roles have rights to update and create content, administrate panels for specific domains and parts of the website.