Outbound Link Safety & rel=noopener Auditor

Protect against tabnabbing and comply with Google sponsored link guidelines — Scans all external links for target='_blank' security (missing rel='noopener noreferrer'), dead external links, and proper rel='sponsored' / rel='ugc' attribution.

Up to 5 pages free. 5 free scans/day per visitor.

What this audit evaluates

Reverse tabnabbing defense — catches external target='_blank' links missing rel='noopener noreferrer'.

External domain discovery — maps all outbound third-party hostnames linked from your pages.

Link relationship hygiene — audits affiliate and user-generated link rel attributes.

Frequently Asked Questions

What does the Outbound Link Safety & rel=noopener Auditor inspect?

Outbound Link Safety & rel=noopener Auditor automatically crawls your website using a real headless browser to inspect: Reverse tabnabbing defense — catches external target='_blank' links missing rel='noopener noreferrer'. External domain discovery — maps all outbound third-party hostnames linked from your pages. Link relationship hygiene — audits affiliate and user-generated link rel attributes.

Who should run this Infrastructure & Mail Security audit?

Engineering leads, DevOps teams, SEO specialists, and product managers who need deterministic, evidence-backed inspection reports without generic AI hallucinations.

How does the NextCase browser audit engine work?

Our engine launches an isolated browser session, captures exact network requests, response headers, DOM snapshots, and console errors, and maps observable findings to actionable remediation steps.

What is included in the Free vs Paid report?

The free tier audits up to 5 pages instantly (5 free scans/day). Comprehensive full-site reports with deep evidence citations are available for $3.99 per audit.

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