Free · Advanced Technical SEO

Engineering-First
SEO Checkup

Enter a domain and get an engineering-grade technical SEO audit. We detect Client-Side Rendering, third-party bottlenecks, and structural architecture flaws without the vanity noise.

Tool Capabilities

40+ SEO Audits

Evaluates page speed, indexing configurations, header tags, security policies, and performance.

3 Free Scans / Day

You can run up to 3 free manual audits daily. Active sponsors receive unlimited scans.

JS Rendering (CSR) Check

Client-Side Rendering (CSR) detection checks if your content requires JavaScript execution to be read.

Google Lighthouse Engine

Powered by official Google Lighthouse engine configuration for objective score diagnostics.

Limited Lifetime Offer

Sponsorship & Limits

This tool takes significant computing power to run full headless browser traces and fetch external sitemaps.

Audits per day
3 / domain Unlimited
SEO & Schema Generators
Social Snippet Previews
Core Web Vitals Diagnostics
PDF Report Export
Domain Ownership Wizard
Dashboard Tracking
Audit History
Priority Support
Become a Sponsor $100 Lifetime Full Access

Top SEO Optimized Sites

Live ranking of sites with the cleanest technical search optimization indicators.

Engineering-First SEO Analysis

1

Client-Side Rendering Detection

Most basic tools fail to execute JavaScript, completely missing content. Our engine runs a headless browser instance to capture your site's DOM exactly as search bots see it.

2

Detailed Error Auditing

Get real diagnostics on broken links, SSL protocols, missing schemas, meta tags, and accessibility barriers. No inflated errors or generic, useless warnings.

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Technology Stack Checker

Identify the software, CMS, integrations, and frameworks powering any public website.