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LinkChecker
Find broken links across documents and complete websites
PricingOpen Source
CategoryBroken Links
Data checkedManually checked
Launch dateJul 21, 2026
Overview
What is LinkChecker?
LinkChecker recursively validates links across websites and local documents with multithreaded crawling and robots.txt support. It handles HTTP, HTTPS, FTP, mail and local files, supports authenticated sites and proxies, and exports results as text, HTML, SQL, CSV, XML or sitemap graphs.
LinkChecker belongs in the diagnostic part of the SEO workflow. It helps teams move from a large set of URLs and technical signals to a smaller, prioritized set of issues that can be investigated and assigned.
Best forIn-house SEO teams, consultants and agencies responsible for site health.
Primary workflowTechnical auditing and diagnosis
Delivery modelOpen-source software with self-managed deployment options
Pricing modelOpen Source
Product gallery / 01
See LinkChecker in context
Capabilities
What it helps you do
01
Recursive link checking
Use recursive link checking to turn site-level data into specific findings that can be reviewed, prioritized and handed to the person responsible for implementation.
02
Authenticated crawl support
Use authenticated crawl support to turn site-level data into specific findings that can be reviewed, prioritized and handed to the person responsible for implementation.
03
Robots.txt compliance
Robots.txt compliance is one of LinkChecker’s documented core capabilities. Its exact scope can vary by plan, deployment and integration, so validate it against the current product documentation.
04
Multiple report formats
Multiple report formats is one of LinkChecker’s documented core capabilities. Its exact scope can vary by plan, deployment and integration, so validate it against the current product documentation.
Workflow
How LinkChecker fits into the work
01
Recursive link checking
Use recursive link checking to turn site-level data into specific findings that can be reviewed, prioritized and handed to the person responsible for implementation.
02
Authenticated crawl support
Use authenticated crawl support to turn site-level data into specific findings that can be reviewed, prioritized and handed to the person responsible for implementation.
03
Robots.txt compliance
Robots.txt compliance is one of LinkChecker’s documented core capabilities. Its exact scope can vary by plan, deployment and integration, so validate it against the current product documentation.
Decision guide
What to know before choosing
A good fit when
- ✓You need support for Broken Links and Technical SEO in a defined workflow.
- ✓You want inspectable source code and are comfortable owning setup, hosting or maintenance.
- ✓Your stack already includes or can work with Python, Docker, CLI, Web UI.
Verify before adopting
- →Confirm which capabilities are included in the current open source offering and whether usage limits apply.
- →Review the license, release activity, deployment requirements and ongoing maintenance ownership.
- →Validate the depth and scale of multiple report formats for your team.
Categories
Practical questions
LinkChecker FAQ
What is LinkChecker?+
LinkChecker is find broken links across documents and complete websites. LinkChecker recursively validates links across websites and local documents with multithreaded crawling and robots.txt support. It handles HTTP, HTTPS, FTP, mail and local files, supports authenticated sites and proxies, and exports results as text, HTML, SQL, CSV, XML or sitemap graphs.
Who is LinkChecker best for?+
In-house SEO teams, consultants and agencies responsible for site health.
How is LinkChecker priced?+
LinkChecker is listed with a open source pricing model. Confirm current plan limits and billing on the official website before choosing.
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