Free browser-based tools with no limits; paid services available for specialized engagements including fractional SEO retainers, technical audits, and custom web development (pricing available upon inquiry).
Key features
100+ automated checks across 8 categories
Mobile and desktop Lighthouse audits
Security header analysis including CSP, HSTS, X-Frame
SSL certificate chain and expiry monitoring
Core Web Vitals measurement
Technology stack detection
Accessibility audit with screenshot contrast analysis
PDF, JSON, and Markdown export
Permanent public report URLs
Free tools including DNS lookup, SSL checker, and redirect tracer
687+ free browser-based tools across 16 categories
SEO tools including meta title generator and SERP snippet previewer
Image optimization tools with client-side processing
Developer utilities including JSON formatter and code validators
No login required for most tools
Sub-second load times with passing Core Web Vitals
Open knowledge base with technical playbooks
Fractional search leadership and monthly retainers
Custom web development and tool engineering services
What makes it different
Truly free with no account, credit card, or subscription required
Comprehensive 8-category scoring system in addition to Lighthouse
Globally distributed workers to test from multiple regions
Permanent public URLs allow reports to be shared and compared over time
Fast and lightweight, built with Go and Alpine.js
Anti-agency model connecting directly with senior practitioners instead of junior account managers
Platform creator personally built all 687+ browser tools using vanilla technologies
Browser tools run entirely client-side with zero data retention and privacy
Verified results backed by GA4 and Search Console data from live client engagements
Custom websites and tools built to 95+ Lighthouse scores with zero plugin bloat