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Drupal has a large community of users and developers. More than 830,000 user accounts have been created on Drupal.org, and more than 2000 people have signed up for developer accounts. The Drupal conference happens twice a year, alternating between North America and Europe.
As security holes are discovered and remedied, the Drupal core is updated to new versions. Administrators of Drupal sites are automatically notified of these new releases via the Update Status module.
Additionally, Drupal.org maintains a security announcement mailing list, a history of all security advisories, a security team home page, and an RSS feed with the most recent security advisories. In 2008, eleven security vulnerabilities were reported and fixed in the Drupal core. Security holes were also found and fixed in 64 of the 2243 user-contributed modules.
Drupal can be installed from the source files, by uploading them to your webspace. Other methods include stack installers such as Acquia Drupal, that provide a quick on-ramp to begin building Drupal websites.
Once built, you should look for a reliable, local web host to publish your Drupal website.
In 2008, performance tests between Drupal 6.1 and Joomla 1.5 demonstrated that Drupal's Web pages were delivered "significantly faster" than those of Joomla. To improve performance, Drupal offers caching to store various elements of pages, the use of which resulted in a 508% improvement. Since version 6, Drupal caches database schema as well as elements such as blocks, forms and menus. Development versions of Drupal 7 increase performance in database queries with simultaneous performance decreases in PHP code usage.
Some users have described Drupal as being fairly difficult to master. This can be alleviated by installing sample data (perhaps with a 3rd party theme) and reading the help guide thoroughly.
Some aspects of Drupal's administration interface can be confusing and intimidating, particularly for new administrators. According to the Interaction Design and Information Architecture program at the University of Baltimore, Drupal lacks an intuitive, easy administration user interface. Usability is one of the main improvements in Drupal 7 that will close the gap with easier CMSs.
Whitehouse.gov is the official website of the White House and is owned by the United States government. The current website (Barrack Obama) runs on the open source software, Drupal. One of the main reasons for the change was to build more collaboration features into WhiteHouse.gov, according to the Obama administration. In addition to providing content management, Drupal supports blogs, comments, polls, and the ability to create user profiles.