A shortened URL is not a pointer to a page. It is a key to somebody else’s lookup table. The address carries no destination at all, only a code that tells the browser whom to ask. Whether an answer ever arrives depends on an intermediary you never chose: the shortening service must still exist, still resolve, and still hold the entry.
A second dependency you never see
goo.gl launched in December 2009 and spread wherever a link had to fit in a sentence: tweets, footnotes, printed books. In 2019 Google stopped accepting new URLs but kept resolving old ones, saying existing links would keep working. That promise had a shelf life. On July 18, 2024, Google announced that goo.gl URLs would stop redirecting after August 25, 2025. It later changed the plan. In an August 2025 update, Google said links that had shown activity in late 2024 would continue to work; links already marked for deactivation would stop redirecting.
Which goo.gl links still work today therefore depends on whether they were popular during one specific recent window. The losers return 404s. The address did not rot; the operator’s decision to keep answering did.
What the archives kept
Recovery depended on capturing the mappings while they still worked. By 2025 the Wayback Machine already held large numbers of goo.gl redirects, and Archive Team ran a dedicated goo.gl preservation project before the August shutdown date. An archived redirect can preserve the original destination even after Google’s live lookup stops answering.
The conditions are strict. A link nobody captured leaves no trace, and a 404 says little about what it once pointed to. After the shutdown goo.gl even returns two flavors of 404: a Google-branded page for codes that used to resolve, a Firebase-branded page for codes that never existed. That is a tombstone, not a map.
Recovery returns an address, not a page
Finding the original URL rebuilds only half of the link. Michael Nelson documented exactly that failure with goo.gl/0R8XX6, one of 26 shortened URLs in a 2017 survey of self-driving-car datasets. The short URL stopped redirecting in 2025, and its Carnegie Mellon destination no longer resolved either. Recovering the citation required archives of both the redirect and the destination page.
A shortened URL is a preservation dependency: part of the address lives on infrastructure you do not own. TinyURL has outlived many of its targets, and bit.ly may outlive more. The point is not that any one service will fail, but that several already have, and that each failure moves the cost of rescue onto archives and readers. When a link matters, shorten the convenience, not the citation: keep the full URL and the content itself, and treat the short code as a fetch address rather than a record of what exists.