CDC Museum: Updates & Relocation Information
Navigating the CDC’s Digital Redirection: What Happens When a Webpage Moves
The Centers for Disease Control and Prevention (CDC), like many large organizations, regularly updates its website. This often involves moving webpages to new locations, consolidating information, or archiving older content. When this happens, users who have bookmarked a direct link to a page may encounter a “Page Not Found” message. The CDC employs several automated systems to handle these situations, aiming to minimize disruption and guide users to the correct information. Understanding these redirects – and what to do when they occur – can save time and ensure access to vital public health resources.
The CDC’s current system presents a few different scenarios when a webpage has moved. Users will encounter one of three messages: a redirection notice with an automatic redirect in 10 seconds, a message indicating multiple potential matches, or a notification that the page has moved to the CDC’s archive (archive.cdc.gov). In all cases, the CDC prompts users to update any saved bookmarks.
Why Pages Move and the Importance of Redirects
URL redirection, similarly known as URL forwarding, is a common web practice. As the Mozilla Developer Network explains, it allows a single URL to point to multiple locations. This is crucial for maintaining a functional website, especially as content evolves. Permanent redirects are used when a page has moved permanently, signaling to search engines and browsers that the old URL should no longer be used. Temporary redirects are employed during site maintenance or when content is temporarily available elsewhere. The CDC utilizes these redirects to ensure users can still find the information they need, even if the original URL is no longer valid.
What to Do When You Hit a “Page Not Found” on the CDC Website
If you land on a CDC “Page Not Found” page, the agency offers a few options. The most straightforward is to wait 10 seconds for the automatic redirect to the new location. Alternatively, users can click a provided link to be taken to the updated page immediately. However, the CDC explicitly advises updating any bookmarks to reflect the new URL. This is the most important step to avoid future issues.
The Bookmark Problem and Potential Solutions
The issue of broken bookmarks arises because bookmarks store a specific URL. When that URL changes, the bookmark becomes invalid. This is a common frustration for users who rely on direct links to frequently accessed information. While the CDC provides automatic redirects and links to new pages, it doesn’t offer a utility to automatically update bookmarks. A discussion on Reddit’s r/browsers forum highlights the desire for such a tool, but currently, no widely available utility exists to automatically scan and update bookmarks after a redirect. Users must manually update their bookmarks to ensure continued access.
Understanding the Different “Page Not Found” Scenarios
The CDC’s “Page Not Found” pages aren’t uniform. The message displayed depends on whether the page has been moved to a single new location or if multiple potential matches exist. If the page has been moved to a single new location, the redirect is straightforward. However, if multiple pages might be relevant, the CDC presents a list of options for the user to choose from. Finally, if the page has been archived, it’s moved to archive.cdc.gov, preserving the information for historical purposes.
Security Considerations and Redirects
Redirects can also play a role in website security. As noted in a Stack Overflow discussion, redirects can be used to ensure that users are logged in before accessing sensitive information. While this isn’t the specific scenario presented on the CDC’s “Page Not Found” pages, it illustrates how redirects can be used to enhance security. The CDC likely employs similar security measures on other parts of its website to protect user data and ensure authorized access.
What Happens Next: CDC Website Maintenance and Updates
The CDC continuously monitors and updates its website to reflect the latest scientific findings and public health recommendations. This ongoing maintenance inevitably leads to page movements, and redirects. The CDC’s web team likely uses a combination of automated tools and manual review to identify and address broken links. Users can stay informed about significant website changes by following the CDC’s official social media channels and subscribing to their email updates. Regularly checking for updates to frequently bookmarked pages is also a proactive step to ensure continued access to accurate and reliable information.