The Complete Website
Analysis Platform
StackOptic analyzes any website across 18+ specialized modules — from technology stack and performance to security, SEO, AI readiness, and more. One URL gives you the full picture.
Our Mission
We believe understanding the web should be accessible to everyone. Whether you're a developer researching best practices, a designer seeking inspiration, a marketer analyzing competitors, or a business owner evaluating partners — StackOptic provides the insights you need to make informed decisions. Just enter a URL and discover what makes any website tick.
18+ Analysis Modules
What StackOptic Detects
Every analysis runs specialized modules using real browser execution to build a comprehensive report.
Hosting & Infrastructure
Hosting providers, CDN, WAF, server software, DNS, IP geolocation, reverse DNS, managed WordPress hosts, and cloud platforms.
Performance & Core Web Vitals
Lighthouse-style scoring with FCP, LCP, CLS, TBT. Page size, request count, image optimization, lazy loading, and CDN detection.
Technology Stack
108+ technologies — frameworks, CMS, analytics, payment processors, fonts, CSS libraries, and more via browser-level JS execution.
SEO & Structured Data
Meta tags, Open Graph, Twitter Cards, canonical URLs, robots.txt, sitemap analysis, and Schema.org JSON-LD structured data.
Security Audit
SSL/TLS certificates, 10+ HTTP security headers, HTTPS enforcement, WAF detection. Graded A+ to F.
AI & LLM Readiness
GEO score, llms.txt validation, bot access analysis, machine readability, structured data quality, and citation readiness.
Email Infrastructure
SPF, DKIM, DMARC records. Email provider detection, MX configuration, and email security scoring.
Domain Intelligence
WHOIS/RDAP data — domain age, registrar, creation/expiry dates, DNSSEC status, nameservers.
Privacy & Compliance
30+ consent platforms detected, tracking scripts, cookie analysis, GDPR compliance indicators, TCF/IAB framework.
Typography & Design
Font families, weights, sizes, line heights. Google Fonts, Adobe Fonts, custom typefaces across headings and body.
Color Palette & Visual
Extract color palette, screenshots (desktop + mobile), image optimization (WebP/AVIF), responsive images, image CDNs.
Marketing & Business
CRM platforms, live chat, A/B testing, email marketing, push notifications, advertising networks, and business intelligence tools.
Mobile Compatibility
Viewport configuration, responsive design detection, touch-friendly UI analysis, and mobile-specific meta tags.
Accessibility
WCAG 2.1 compliance checks, ARIA attributes, color contrast, heading hierarchy, and semantic HTML validation.
Carbon Footprint
Estimated carbon emissions per page view based on page weight, hosting location, and green energy usage.
Scripts & Resources
JavaScript and CSS analysis, third-party script inventory, resource loading patterns, and script size breakdown.
Historical Tracking
Compare snapshots over time. Track technology changes, score trends, and infrastructure shifts with visual diffs.
Website Identity
NAP data, social media profiles, business information, favicon, logo detection, and brand consistency analysis.
Built for everyone
Who Uses StackOptic?
Competitive Research
Understand what technologies your competitors use, how they handle security, and what marketing tools power their growth.
Developer Research
Discover the frameworks, libraries, and infrastructure choices behind sites you admire. Learn from real production setups.
Business Due Diligence
Evaluate the technical maturity of potential partners, vendors, or acquisition targets by examining their tech infrastructure.
Design Inspiration
Identify the typography, CSS frameworks, and UI libraries behind beautifully designed websites for your own projects.
Agency Client Reports
Generate detailed reports for client websites. Track changes over time and provide actionable recommendations.
Security Assessment
Quick surface-level security checks for SSL, headers, and email infrastructure. Great for initial assessments.
Simple Pricing
Plans for Every Need
Start with a free account and upgrade as your needs grow.
Free
- 5 analyses/day
- 18 modules with full scores
- 7,000+ technology detection
- Public result pages
Pro
- 10 analyses/day
- AI insights & recommendations
- Re-analysis & history tracking
- PDF/JSON export
- Ad-free experience
Agency
- 50 analyses/day
- 250 AI credits/mo
- White-label reports
- Team access (5 users)
- REST API & webhooks
Important Information
Accuracy: StackOptic provides best-effort analysis based on publicly available information. Results may not always be 100% accurate for websites using custom or proprietary solutions.
Public Information Only: We only analyze publicly accessible web pages. We do not access private data or password-protected areas.
Educational Purpose: This tool is designed for educational and research purposes. Use the information responsibly and ethically.
Affiliate Disclosure: Some links may be affiliate links. This helps us maintain and improve the service at no additional cost to you.
Ready to Get Started?
Create a free account and analyze your first website in seconds.
StackOptic is a product of Digiwings Agency (trading name of Onur Sendere)
34-35 Butcher Row, Shrewsbury, SY1 1UW, United Kingdom