HIV Prevention | CDC
Navigating Redirects at the Centers for Disease Control and Prevention
Visitors to the Centers for Disease Control and Prevention (CDC) website may occasionally encounter a “Page Not Found” message. This isn’t necessarily indicative of a problem with the CDC’s systems, but rather a common occurrence as the agency updates and reorganizes its online resources. The CDC employs several automated systems to guide users to the correct, current information when a webpage has moved. Understanding these redirects and how to update saved links can ensure continued access to vital public health information.
The CDC’s website is a vast repository of data, guidance, and research related to public health. As new information emerges – whether from ongoing disease surveillance, new scientific studies, or evolving policy recommendations – the agency routinely updates its website content. This process often involves moving pages to new URLs, consolidating information, or archiving older materials. These changes are essential for maintaining the accuracy and relevance of the information provided to the public, healthcare professionals, and researchers.
Automatic Redirection and What to Expect
When a user attempts to access a webpage that has been moved, the CDC website typically initiates an automatic redirect to the new location. The system is designed to recognize the vintage URL and seamlessly forward the user to the corresponding current page. This redirection is usually completed within approximately 10 seconds, as indicated on the “Page Not Found” message. However, the system offers a direct link to bypass the wait, allowing users to immediately access the new location. This automatic redirection is a key feature designed to minimize disruption for users who may have previously bookmarked or linked to the older page.
In some cases, the CDC may have multiple potential new locations for a moved page. When this occurs, the website displays a message indicating that more than one match was found, prompting users to review the options and select the most relevant link. This scenario highlights the complexity of maintaining a large and evolving website, and the CDC’s commitment to ensuring users can still find the information they need.
Archived Content and Long-Term Access
The CDC also maintains an archive of older content at archive.cdc.gov. Pages that are no longer actively maintained but still hold historical or reference value are often moved to this archive. Similar to page moves, the CDC provides an automatic redirect to the archive site, with a 10-second delay or a direct link option. Accessing archived content can be valuable for researchers, historians, or anyone seeking information about past public health initiatives or outbreaks. It’s crucial to note that information in the archive may not reflect the most current guidance or recommendations.
Updating Bookmarks and Links
The CDC explicitly advises users to update any bookmarks they may have saved for pages that have been moved. Bookmarks are a convenient way to quickly access frequently visited webpages, but they become outdated when the underlying URL changes. Regularly reviewing and updating bookmarks ensures that users are always directed to the most current version of the information. This is particularly important for healthcare professionals and public health officials who rely on the CDC website for up-to-date guidance and data. The same applies to any links to CDC webpages that are embedded in documents, presentations, or other online resources.
Beyond individual users, organizations and websites that link to CDC resources should also periodically check for broken links and update them accordingly. Maintaining accurate links to the CDC website ensures that the public has access to reliable and current public health information. Tools are available online to check for broken links on websites, facilitating this process.
The Broader Context of Website Maintenance
Website maintenance and reorganization are common practices for large organizations like the CDC. These efforts are driven by several factors, including the need to improve website usability, enhance search functionality, and ensure compliance with accessibility standards. Regular updates also allow the CDC to incorporate new technologies and security features, protecting both the website and its users. The CDC’s commitment to website maintenance reflects its dedication to providing the public with a user-friendly and reliable source of public health information.
The CDC’s website is a dynamic resource, constantly evolving to meet the changing needs of the public health community. Even as encountering a “Page Not Found” message can be momentarily frustrating, the automated redirection systems and the availability of archived content demonstrate the CDC’s commitment to ensuring continued access to vital information. Regularly updating bookmarks and links is a simple step that users can take to ensure they are always accessing the most current and accurate public health guidance. For the latest information and guidance, it’s always best to visit the CDC’s official website directly: https://www.cdc.gov/.
Further information on bookmarking and managing favorites in popular web browsers can be found at Google Chrome’s help pages and WikiHow’s guide to bookmarking.