Free Chrome Extension
The All-Seeing, AI powered
SEO Inspector
Extract every meta tag. Audit your page against 40+ SEO checks. Get strategic fixes from Claude Opus - or fall back to on-device Gemini AI. Chrome side panel or terminal via MCP.
No account. No subscription. No catch.
40+
SEO/AEO Checks
10+
Audit Categories
0 bytes
Data Collected
3-Tier
AI System
Three Tabs, One Side Panel
Extract. Audit. Fix.
Argus lives in Chrome's side panel, giving you persistent access to SEO data as you browse. No popups that vanish when you click away.
EXTRACT
See Everything Search Engines See
Pull every meta tag, social card, structured data block, and response header from any page in one click.
Complete meta extraction
Extracts title, description, canonical, robots, Open Graph, Twitter Cards, and all JSON-LD structured data with one-click copy on every field.
Social share previews
Renders visual social share previews showing exactly how your page appears when shared on Facebook, LinkedIn, and X/Twitter.
AUDIT
Know your SEO score in seconds
40+ rule-based checks across 10 weighted categories, scored from 0 to 100. Instantly.
40+ rule-based checks
Evaluates titles, descriptions, headings, images, links, canonicals, structured data, social tags, and Core Web Vitals against current best practices.
Weighted severity scoring
lags every issue as critical, warning, or pass with clear explanations and weighted scoring that reflects real-world ranking impact.
AI INSIGHTS
Fix suggestions that never leave your browser
Bring your own Claude API key for deep strategic analysis. No key? Falls back to Chrome's built-in Gemini Nano.
Claude Opus 4.6 (BYOK)
Generates SEO strategy briefs, production-ready JSON-LD schema, exact HTML fixes for every audit failure, content gap analysis, and competitor insights.
Gemini Nano (on-device fallback)
Rewrites meta descriptions, suggests title improvements, classifies page types, and recommends schema types. Runs entirely on-device through Chrome's built-in AI. No API key needed. No data transmitted.
HOW IT WORKS
Three steps to better SEO
Install the extension
Add Argus to Chrome from the Web Store. One click, under 400KB, no permissions beyond the active tab.
Visit any page
Click the Argus icon to open the side panel. It automatically extracts all meta data and runs the SEO audit.
Copy, fix, improve
Copy any field with one click. Review audit issues. Use AI insights to generate better titles, descriptions, and schema.
See how Argus compares to popular SEO Chrome extensions.
| Feature | Argus | SEO Meta in 1 Click | Detailed SEO |
|---|---|---|---|
| Side Panel UI | Yes | Popup | Popup |
| Meta tag extraction | Yes | Yes | Yes |
| Social sharing previews | Visual cards | Tags only | Tags only |
| JSON-LD validation | Full validation | Display only | Detection |
| SEO audit with scoring | 40+ checks, 0-100 | No | No |
| Core Web Vitals | LCP, INP, CLS, TTFB | No | No |
| AI-powered insights | Claude Opus 4.6 + Gemini Nano + Static | No | No |
| Schema markup generation | Full JSON-LD (AI) | No | No |
| Technical fix generation | Exact HTML fixes (AI) | No | No |
| MCP server / CLI access | Yes (npx) | No | No |
| One-click export | JSON + Table | Limited | Limited |
| BYOK / no backend | Yes | N/A | N/A |
| Privacy (no data collection) | Zero tracking | Minimal | Minimal |
| Open source | Yes | No | No |
| Price | Free | Free | Free |
Frequently Asked Questions
See our FAQs to find answers to common questions. Can't find what you're looking for? Contact us.
All of them. Title, description, canonical, robots, viewport, charset, language, Open Graph (og:title, og:description, og:image, og:url, og:type), Twitter Cards (card, title, description, image), and all JSON-LD structured data with schema type detection. Every field has one-click copy.
