Broken Link Building — Free Backlinks From Authority Sites
What Is Broken Link Building?
Broken link building is a white-hat SEO strategy where you find dead links (404 errors) on other websites, create content that could replace what the broken link pointed to, and reach out to the webmaster suggesting your content as a replacement.
It works because it provides genuine value to website owners: they fix a broken user experience, you earn a backlink. Everyone wins.
Why Broken Link Building Works in 2026
Websites constantly go offline, pages get deleted, and content gets moved without redirects. The web is littered with broken links. Even well-maintained sites have hundreds of them. With millions of potential targets, this strategy is highly scalable.
The pitch also converts better than cold outreach because you're leading with a benefit (here's a broken link problem on your site) before making an ask.
Step 1: Find Broken Link Opportunities
Method 1: Ahrefs Broken Backlinks
This is the most powerful approach. In Ahrefs:
- Go to Site Explorer → enter a competitor or authority site
- Click "Broken Backlinks" in the left menu
- Filter by referring domain DR 40+ for quality links
- Look for broken pages that your content could replace
Method 2: Google Operators + Check My Links
Search for resource pages in your niche: intitle:"resources" + "link building". Then use the free Chrome extension "Check My Links" to highlight broken links on the page. Quick and free.
Method 3: Ahrefs' Content Explorer
Search for your topic in Content Explorer, filter by broken pages (404 status), and sort by referring domains. These are pages that used to have backlinks but are now dead — perfect targets for a recreation outreach campaign.
📊 Broken Link Building Results by Approach
| Method | Link Quality | Time/Link | Tools Needed |
|---|---|---|---|
| Ahrefs Broken Backlinks | High | 30 min | Ahrefs |
| Content Explorer (dead pages) | High | 20 min | Ahrefs |
| Manual + Check My Links | Variable | 60 min | Free |
| Wayback Machine research | Variable | 45 min | Free |
Step 2: Qualify the Opportunity
Not every broken link is worth pursuing. Before investing time in content creation and outreach, check:
- Link quality: What's the DR of the linking page? 40+ is worth targeting
- Traffic: Does the page with the broken link actually get organic traffic?
- Relevance: Is the broken link topic related to your site?
- Scale: How many sites are linking to the dead page? More is better
Step 3: Create Replacement Content
Use the Wayback Machine (web.archive.org) to see what the dead page contained. Create something that covers the same topic, but better — more comprehensive, updated for 2026, with better formatting and visuals.
You don't always need to create new content. Sometimes you have an existing page that's a perfect fit. Check your site before creating something new.
Step 4: Write the Outreach Email
The broken link building email is one of the easiest pitches to write because you're leading with value:
Subject: Broken link on [their page title]
Hi [Name],
I was reading your [specific page] and noticed the link to [broken resource] is returning a 404 error.
I recently published a comprehensive guide that covers the same topic: [your URL]. Might be a good replacement if you're looking to update the page.
Either way, just thought you'd want to know about the broken link.
Best,
[Your name]
Keep it short. Don't oversell. The broken link notification itself is the value; the replacement suggestion is the ask.
Step 5: Follow Up Once
Send one follow-up after 5-7 business days. Keep it even shorter: "Just following up on my note about the broken link on your [page]. Happy to send more details if helpful."
Don't send more than 2 emails per contact. If they don't respond, move on.
🔗 Scale Broken Link Building with Ahrefs
Ahrefs' broken backlinks feature lets you find hundreds of opportunities in minutes. Filter by DR, traffic, and topic to build a prioritized outreach list fast.
Frequently Asked Questions
What's a realistic conversion rate for broken link outreach?
Typically 5-15% with a personalized, relevant email. Mass-templated outreach drops below 2%. The key differentiator is how specific and helpful your email is.
Do I need to create new content for broken link building?
Not always. First check if you already have relevant content that could serve as a replacement. Only create new content if the opportunity is large enough (multiple sites linking to the dead page) to justify the investment.