Link Nofollow, Dofollow, Sponsored Checker
Audit website outbound links for PageRank authority leaks, commercial tag compliance, and WCAG anchor accessibility. Crawls up to 3,000 links per session.
Standard scan reviews links recursively on the target host up to 3,000 links.
Authority Leak Analytics
Full Domain Audits
- → Automated sitemap crawling
- → Bulk CSV report export options
- → Whitelist safe partner domains
- → Remediation patch file generator
- → Headless JS rendering link checks
Programmatic Verification
Automate PageRank leak checks and sponsored tags verification within CI/CD pipelines and content build hooks. Free: 300 links/day.
Get API Key →What is the Link Nofollow, Dofollow, Sponsored Checker?
The Link Nofollow, Dofollow, Sponsored Checker is a free online search engine optimization audit utility. Designed for digital publishers, content editors, and SEO managers, it scans target web pages to extract outbound links and verify their relationship tags.
By streaming audit results directly to the browser, the tool maps out how search authority flows from your website, identifying missing attributes in real time.
Why Link Attribute Compliance Matters
Under modern web ranking standards, outbound links require careful labeling to protect your domain authority: 1. Authority leakage: Outbound links that lack a nofollow tag transfer ranking power (PageRank) to external hosts. Managing this keeps authority within your own site. 2. Link scheme compliance: Search engines require paid placements, sponsorships, and affiliate links to use the rel="sponsored" or rel="nofollow" values. Failure to label these can trigger manual action ranking penalties. 3. Accessibility: Auditing anchor text quality is a WCAG requirement, ensuring links describe their destination instead of using generic phrases.
Maintaining structured link audits prevents penalty exposure and organizes content credibility.
Key Auditing Features
- ✓Real-time attribute streaming: Crawls target pages and analyzes link attributes concurrently.
- ✓Affiliate tag verification: Evaluates if links to commercial hosts have required sponsored or nofollow tags.
- ✓Anchor quality checks: Flags empty, generic, or WCAG-violating anchor texts.
- ✓Authority mapping: Displays internal vs external dofollow allocations.
- ✓Invalid local path capture: Identifies local directory paths accidentally left in content.
How the Attribute Scanner Audits Links
When you submit a URL, the system fetches the HTML source and loads a virtual document tree. The parser reads every anchor element to extract its destination path, relationship attributes (rel), and anchor text.
The system then evaluates each link relative to its target domain. If a link points to a known affiliate network or sponsored partner, it verifies if proper attributes are present. The final report maps every link status dynamically.
Link Audit Status Glossary
Glossary of terms and attributes returned in the link analysis reports.
The link transfers PageRank authority. Keep for trusted citations, but avoid placing dofollow attributes on unvetted or commercial sites.
The link does not pass authority. Use for external domains to prevent leaks of your domain authority.
Required tag for commercial links (ads, sponsorships, affiliates). Using this prevents search engine manual action link scheme penalties.
A hardcoded local file link reference (such as C:\\Users). Flagged as broken because it exposes local storage paths and fails publicly.
The target link returns a 404 error, 500 error, or timed out. Redact or replace the URL.
Frequently Asked Questions
Common questions regarding outbound authority, WCAG compliance, and SEO guidelines.
Enterprise Link Auditing: Sitemap Scans & Code Patches
TaskVerified Enterprise helps publishers automate SEO link compliance across thousands of articles with developer-grade automation workflows.
- ✓Sitemap deep scanning: Crawls entire domains automatically to discover unmanaged external links.
- ✓Custom whitelist domains: Defines whitelisted domains that are allowed to receive dofollow authority.
- ✓Automated code patches: Generates git diff arrays to quickly inject missing rel attributes in Markdown source repositories.
- ✓Competitor mention flags: Alerts editorial teams when guest authors add dofollow links pointing to competitor products.
- ✓CSV & PDF exports: Downloads complete link compliance audits for developer teams or SEO agencies.
Other Diagnostic Tools
- ReachabilityBroken Link CheckerCrawl absolute outbound HTTP/HTTPS links concurrently. Identify 404, 500, or DNS resolve faults live in the browser.
- GS1 & QRBarcode & QR Code ValidatorValidate barcode and QR code payloads for symbology compliance, Modulo-10 checksum accuracy, GS1 Application Identifier structures, and URL reachability.
- BIMI LogoBIMI SVG & SVG Tiny-PS ValidatorAudit SVG brand logos for BIMI inbox compliance. Verifies SVG Tiny-PS structure, security, dimensions, and provides 1-click auto-fixing.
- Data GuardCSV & Dataset ValidatorAudit CSV and tabular datasets for schema compliance, duplicate primary keys, value type parity, and null value thresholds.
- Env Guard.env File Validator & Secret Risk ScorerAudit environment variable configurations for syntax issues, trailing whitespaces, duplicate keys, exposed secrets, variable interpolation, and example template sync drift.