Link rot happens when pages you link to move or disappear. A once-valid URL can return a 404 or other error later, breaking your content’s references. Broken links harm SEO, frustrate readers, and make pages look neglected. They also weaken the web as a shared public resource. Fortunately, free tools can archive pages and repair broken links automatically.
Why link rot matters
– SEO and user experience: Dead links can lower search rankings and annoy visitors. Many broken links may signal to search engines that a site is poorly maintained.
– Credibility: Outdated or broken references reduce trust in your content.
– The open web: Archiving preserves information for everyone and keeps the web a reliable reference.
Use the Wayback Machine with WordPress
The Internet Archive’s Wayback Machine saves snapshots of pages over time so they stay accessible. The Wayback Machine Link Fixer plugin for WordPress can automatically replace dead external links with archived copies and proactively archive linked pages when you publish or update content.
Step 1 — Install the plugin
Install the free Internet Archive Wayback Machine Link Fixer plugin from WordPress.org. It scans links, replaces broken ones with archived versions, and offers an Auto Archiver to save external pages as you publish.
Step 2 — Configure the plugin
After activation, run the setup wizard (Link Fixer » Settings).
– API keys (optional): If you archive more than 4,000 links per day, create a free Archive.org account and get API keys from archive.org/account/s3.php. Most small and medium sites won’t need this.
– Link Fixer settings: Turn on Link Fixer, choose which post types to scan (Posts, Pages, etc.), and enable Scan Existing Content to check older posts (this may take time on large sites). Set Action for Broken Links to Replace Link (No Notification) to let the plugin substitute archived URLs automatically.
– Auto Archiver: Enable Auto Archiver to save external pages linked from selected post types whenever you publish or update. You can also enable scheduled archiving to run at set intervals. Finish the wizard to save changes.
Step 3 — Monitor and manage links
Use the Link Fixer admin pages to monitor activity:
– Dashboard: See recent link checks, latest links, and a summary of totals, archived links, and broken links.
– Links page: View a detailed list of tracked links including URL, archive status, link health, number of checks, and last check date.
Review these pages regularly and manually fix anything the plugin can’t handle.
Alternative: Broken Link Checker by AIOSEO
If you prefer to find and fix broken links yourself, Broken Link Checker by AIOSEO scans internal and external links and lists broken items in the dashboard. You can edit URLs directly or remove links. Scans are scheduled roughly every three days.
Common questions
1. How do plugins find broken links?
They crawl your pages and request each target URL. If a target returns an error response (for example 404), the plugin marks the link as broken.
2. What if no archive exists for a broken link?
If a page was never archived, there is no archived copy to restore. That’s why the Auto Archiver is important: it saves linked pages while they’re still live.
3. Can I manually scan posts for link rot?
Yes. Wayback Link Fixer and similar plugins let you trigger manual scans for specific posts or pages from the dashboard.
4. How do I repair broken links?
The Wayback Link Fixer can automatically replace broken links with their archived versions. Alternatively, manually update the URL to a current source or remove the link.
5. Are Wayback snapshots public?
Yes. Once archived, snapshots are publicly accessible through the Wayback Machine.
6. Will the plugin slow down my site?
Checks and archiving run as background tasks on a schedule, which minimizes impact on site performance.
7. Does fixing broken links help SEO?
Yes. Eliminating 404s and reducing broken outbound links improves user experience and signals better maintenance to search engines.
8. How is Wayback Link Fixer different from Broken Link Checker?
Broken Link Checker detects broken links and requires manual fixes. Wayback Link Fixer detects, archives, and can automatically replace broken external links with archived copies.
Additional resources
– How to add a link in WordPress
– How to find and fix broken links in WordPress
– How to track outbound links in WordPress
– How to add nofollow links in WordPress
– How to open external links in a new window or tab
Keeping links healthy protects SEO, preserves credibility, and supports the open web. Using the Wayback Machine Link Fixer plugin, or Broken Link Checker if you prefer manual control, makes preventing and repairing link rot straightforward. By archiving and repairing links you help preserve content and make the web more reliable for everyone.