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Perma.cc is a web archiving service designed to help scholars, journals, courts, and other institutions create permanent records of the web sources they cite. It combats 'link rot,' a common issue where cited links become broken or altered over time, compromising the integrity of citations.

The Problem of Link Rot

Over 50% of cited links in Supreme Court opinions and roughly 70% in academic legal journals no longer point to the intended page. This issue affects not just legal citations but also articles in science, technology, and medicine, with around 20% suffering from link rot.

How Perma.cc Works

1. Find the page you want to preserve and copy its URL.
2. Add the URL to Perma.cc and select 'Create Perma Link.'
3. Perma.cc generates a permanent, unalterable link to the cited page.
4. Use this Perma Link in your citations for a reliable reference.

Key Features

• Preserves web pages, including images, CSS, and JavaScript, maintaining their original appearance.
• Allows users to annotate or delete records within 24 hours of creation.
• Offers different account types, including a free individual account with limited monthly usage, and institutional accounts with more extensive features.

Benefits

Perma.cc is built and supported by libraries committed to preserving digital records to the same standards as physical ones. Over 150 journals, courts, and universities trust Perma.cc for their citation needs.