OFFPAGE · SEO GLOSSARY
Broken Link SEO
A link-building strategy that identifies broken (404-returning) external links on other websites, creates replacement content, and outreaches to the linking site to replace the broken link with a link to the new content.
Definition
Broken link SEO (also called broken link building) is an outreach-based link acquisition method that turns 404 errors on third-party websites into link-building opportunities. The process: (1) Find pages on websites in your niche with broken outbound links pointing to content that no longer exists. (2) Create content on your own site that matches or improves on the deleted/broken content the broken link was pointing to. (3) Outreach to the site owner or editor with a brief noting the broken link and suggesting your content as a replacement. Because the site already intended to link to content on that topic (evidenced by the now-broken link), the outreach success rate is higher than cold link requests. Finding broken link opportunities: (a) Ahrefs\' "Broken Backlinks" report shows which pages linking to a domain are returning 404 errors — useful for competitor research (finding broken links on competitor-linked pages that once pointed to now-deleted competitor content). (b) Screaming Frog or Sitebulb can crawl target websites and flag outbound links returning 404s. (c) Search operators: `site:example.com` combined with checking the linked pages via curl or a bulk URL checker. Common sources of broken link opportunities: Wikipedia reference sections (frequently linking to now-deleted sources), educational resource pages (academic institutions that link to industry resources that have since moved or been deleted), and niche directories or curated resource pages. Broken link building is considered white-hat because the outreach provides genuine value to the site receiving it (fixing a broken link improves their page quality) rather than asking for a link purely to benefit the requester.
Why it matters for SEO
Broken link building has one of the highest outreach-to-link conversion rates of any link acquisition method because the value proposition is clear — fixing a broken link is a legitimate improvement for the linking site. The content creation investment is real (you must create something genuinely useful) but the outreach receptiveness is higher than cold outreach for new link requests.
How DeepSEOAnalysis checks this
DeepSEOAnalysis checks for broken outbound links on the audited page — links pointing to 404 or 5xx responses — which is the inbound view of the broken link opportunity. Pages with broken outbound links are targets for broken link outreach from others; pages with your content correctly linked from high-authority sites are protected link assets.
GLOSSARY
Related terms
links
Link Building
The practice of acquiring inbound backlinks from other websites to increase a page\'s PageRank and improve its ranking potential for target queries.
Read definition →links
Skyscraper Technique
A link-building strategy coined by Brian Dean of Backlinko: find well-linked content in your niche, create a demonstrably better version of the same content, then reach out to sites linking to the original and show them your superior version — with the goal of earning link replacements or additions from those linking domains.
Read definition →offpage
Resource Page SEO
A link-building technique targeting websites that maintain curated lists of resources on a topic (resource pages), seeking inclusion of your content as a recommended resource — generally considered a white-hat outreach method.
Read definition →link building
Editorial Link
An inbound link earned naturally because another site chose to cite your content, without payment, request, or reciprocal arrangement.
Read definition →technical
White Hat SEO
SEO practices that comply with Google\'s Webmaster Guidelines — earning rankings through genuine value: comprehensive content, earned backlinks, fast performance, and valid structured data.
Read definition →See how your site scores on Broken Link SEO.
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