There are several tools that have been developed to help combat link rot.

A number of studies have shown how widespread link rot is in academic literature (see below).

Because a permalink remains unchanged indefinitely, it is less susceptible to link rot.

After Wilhelm left the Internet to join the military, the site eventually fell victim to link rot.

Detecting link rot for a given URL is difficult using automated methods.

Authors of scholarly publications have also developed best practices for combating link rot in their work:

For Safari, I didn't even want to import my old bookmarks, which have been heavily infected with link rot.

A number of studies have examined the prevalence of link rot on the web, in academic literature, and in digital libraries.

Nelson and Allen (2002) examined link rot in digital libraries and found that about 3% of the objects were no longer accessible after one year.

This process is critical for the directory in striving to achieve one of its founding goals: to reduce the link rot in web directories.

This service crawls and saves pages cited in Wikipedia - see "Link rot" for additional info.

If the webpage changes or is removed ("link rot"), there is still a copy on WebCite.

This makes hyperlinks obsolete, a phenomenon referred to in some circles as link rot and the hyperlinks affected by it are often called dead links.

Readers are able to retrieve the archived web pages indefinitely, without regard to whether the original web page is revised or removed (so-called link rot).

WordPress guards against link rot by replacing non-canonical URLs with their canonical versions.

It also significantly reduced the difficulty of implementing web servers and browsers (in comparison to earlier systems), but in turn presented the chronic problem of link rot.

Some news sites contribute to the problem of link rot by keeping only recent news articles freely accessible, then removing them or moving them to a paid subscription area.

He has been recognized for his work in text mining, studies on URL decay (link rot) in scientific publications, plagiarism detection and for discovering the function of uncharacterized human genes.

Furl also privately archived a complete copy of the HTML of each page that a user bookmarks, making it accessible even if the original content was modified or removed, an antidote for link rot.

To combat link rot, web archivists are actively engaged in collecting the Web or particular portions of the Web and ensuring the collection is preserved in an archive, such as an archive site, for future researchers, historians, and the public.

Link rot (or linkrot), also known as link death or link breaking, is an informal term for the process by which increasing numbers of links (either on individual websites or the Internet in general) point to web pages, servers or other resources that have become permanently unavailable.