Chrome Extension · MV3 · zh / EN

One click. Full-site health report.

ProfitLint is a free Chrome extension that audits any website for security headers, privacy compliance, traditional SEO, AI SEO (LLMO), and Core Web Vitals — then generates actionable fix guides, AI prompts, and exportable reports. All features are free, including full-site SPA crawling and PDF export.

Version 1.0.0 5 audit dimensions Local-first analysis
Chrome Web Store — Coming Soon
01 / HOW IT WORKS

From tab to report in seconds.

1

Open any site

Navigate to the page you want to audit — your site, a client project, or a competitor.

2

Click ProfitLint

Choose current-page scan or full-site mode from the popup panel.

3

Review scores

Get an overall health score plus five category breakdowns with prioritized issues.

4

Fix & export

Copy AI fix prompts, download robots.txt / sitemap / Schema templates, or export PDF.

02 / AUDIT DIMENSIONS

Five lenses. One complete picture.

Security

HTTPS, security headers (CSP, HSTS, X-Frame-Options), and mixed-content risks.

Compliance

Privacy policy links, cookie consent, accessibility (alt / label), and regional compliance hints.

Traditional SEO

Title, meta description, heading structure, robots.txt, sitemap, and HTML semantics.

AI SEO (LLMO)

AI crawler rules, llms.txt, JSON-LD Schema, semantic HTML, and CSR content barriers.

Performance

Core Web Vitals — LCP, CLS, FCP, TTFB — measured from the live page.

Fix Toolkits

One-click generators for robots.txt, sitemap.xml, JSON-LD, llms.txt, and regional privacy templates.

03 / FREE FOREVER

Every feature. No paywall.

Current-page & full-site scan

Diagnose a single tab or crawl an entire SPA site — no subscription required.

AI fix prompts

Unlimited AI prompts to help you fix issues with your favorite coding assistant.

PDF & Markdown export

Export full diagnostic reports without watermarks or usage limits.

Fix file generators

One-click robots.txt, sitemap.xml, JSON-LD Schema, llms.txt, and regional privacy templates.

Privacy-first: Page analysis runs locally in your browser. Scan reports are stored in Chrome local storage on your device — not uploaded to our servers.