From the course: Building a Resilient Web

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Link persistency

Link persistency

- [Instructor] The loose one-way linking of the Web is one of the major reasons the Web has been so successful. It's also a significant contributor to the Web not being resilient. Broken links can make it almost impossible for Web users to find what they're looking for, and there's no feature or service out there to automatically fix them. The good news is the Web platform has tools built in to ensure links don't get broken when resources are moved or deleted or something else happens. It's not a perfect fix for all issues, but it is a toolkit developers can and should use to ensure they don't contribute to the growing problem of broken links on the Web. They are called HTTP redirects. If a Web resource, so a document, an image, a page, a website, or anything else is moved from its known location, anyone trying to visit that old location gets a 404 not found response. This response is so common, it's become part of our culture.…

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