External Link Checker
Audit external links, nofollow & noopener.
About this tool
Find and audit every external link on a page. Paste your HTML to list all outbound links, see which use nofollow, and spot links that open in a new tab — essential for SEO and user-experience audits.
Key Features
- Lists all external links
- Detects rel=nofollow / sponsored
- Flags target=_blank without noopener
- Domain-aware classification
- 100% client-side
How to Use
- Optionally enter your domain.
- Paste your page HTML.
- Click Analyze.
- Review outbound links and rel attributes.
Benefits
- Audit outbound link profile
- Ensure proper nofollow usage
- Improve security with noopener
Frequently Asked Questions
It tells search engines not to pass ranking signals through that link. Use it for untrusted or paid links.
Without rel=noopener, the linked page can access your window object — a security and performance risk.