Back to home
Blog
Notes on the web platform.
Guides and field notes from the Fusebox team on inspecting, debugging, and understanding how websites are built.
InspectionJul 17, 2026
How to Analyze Any Competitor's Website in 30 Seconds
A practical Fusebox guide to how to analyze any competitor's website in 30 seconds.
Latest
SecurityJul 16, 2026
HTTP Security Headers: The First Line of Defense Against Web Attacks
A practical Fusebox guide to http security headers.
PerformanceJul 15, 2026
Website Performance Metrics: What Actually Matters
A practical Fusebox guide to website performance metrics.
InspectionJul 14, 2026
Network Request Monitoring: See What Websites Really Do
A practical Fusebox guide to network request monitoring.
InspectionJul 13, 2026
Tech Stack Detection: What It Is and Why You Should Care
A practical Fusebox guide to tech stack detection.
InspectionJan 1, 2024
WHOIS Lookup: What Every Developer Should Know
A practical Fusebox guide to whois lookup.
InspectionJan 1, 2024
WebSocket and Real-time Connection Analysis: Monitor Live Data Flows
A practical Fusebox guide to websocket and real-time connection analysis.
InspectionJan 1, 2024
WebSocket Connections: Analyzing Real-Time Web Communication
A practical Fusebox guide to websocket connections.
InspectionJan 1, 2024
Website Technology Stack Detection: Uncover What Powers Any Site
A practical Fusebox guide to website technology stack detection.
PerformanceJan 1, 2024
Website Performance Budget Implementation: A Developer's Guide
A practical Fusebox guide to website performance budget implementation.
More articles
Website Monitoring and Uptime Strategies: A Developer's GuideJan 1, 2024Website Fingerprinting and Privacy Detection: A Developer's GuideJan 1, 2024Website Caching Layers: Analyze and Optimize Every Cache LevelJan 1, 2024Website Accessibility Testing and WCAG Compliance: A Developer's GuideJan 1, 2024Web Font Loading: The Hidden Performance KillerJan 1, 2024Web Component and Shadow DOM Analysis: Modern Web ArchitectureJan 1, 2024Third-party Scripts and Privacy Analysis: Track the TrackersJan 1, 2024Third-Party Scripts: The Hidden Cost of "Free" ToolsJan 1, 2024Subdomain Enumeration and Security: A Developer's GuideJan 1, 2024Subdomain Discovery: Find Hidden Assets and Security RisksJan 1, 2024I Was Spending $150/Month on Website Analysis Tools. Here's How I Cut It to $29 (Forever)Jan 1, 2024SSL/TLS Certificate Analysis: Debug HTTPS Issues and Maximize SecurityJan 1, 2024SSL/TLS Certificates: What Developers Need to CheckJan 1, 2024Service Worker Detection: Is This Site Offline-Ready?Jan 1, 2024Server Response Header Analysis: A Developer's GuideJan 1, 2024Security Headers Audit: Is This Website Actually Secure?Jan 1, 2024robots.txt and Sitemap.xml: SEO Configuration Analysis for DevelopersJan 1, 2024Resource Timing: See Exactly Why Websites Are SlowJan 1, 2024Resource Hints and Preloading Strategies: Optimizing Web PerformanceJan 1, 2024Progressive Web App (PWA) Detection: Analyze Offline Capabilities and App FeaturesJan 1, 2024OAuth and Authentication Flow Detection: Analyzing Login SecurityJan 1, 2024MX Records and Email Configuration: Master Email Routing and DeliverabilityJan 1, 2024Mobile Responsiveness Testing: Is This Site Really Mobile-Friendly?Jan 1, 2024Mobile Performance Testing and Optimization: A Developer's GuideJan 1, 2024Meta Tags and SEO: Quick Audit Guide for DevelopersJan 1, 2024JavaScript Performance Profiling and Memory Leaks: A Developer's GuideJan 1, 2024JavaScript Library Detection: Know What Sites Are Built WithJan 1, 2024JavaScript Error Tracking: Catch Bugs Before Users Report ThemJan 1, 2024Console Monitoring: Catch JavaScript Errors Before Users DoJan 1, 2024JavaScript Bundle Analysis and Optimization: A Developer's GuideJan 1, 2024Image Optimization and Format Detection: A Developer's GuideJan 1, 2024Image Optimization Detection: Is This Site Wasting Bandwidth?Jan 1, 2024HTTP/2 and HTTP/3 Performance Analysis: A Developer's GuideJan 1, 2024HTTP Headers: The Hidden Controls of Every WebsiteJan 1, 2024GraphQL Endpoint Discovery and Security Analysis: A Developer's GuideJan 1, 2024Framework and CMS Detection: What's This Site Built With?Jan 1, 2024Form Security, CSRF Protection, and File Uploads: Protect User Input and DataJan 1, 2024Email Security Headers (SPF, DKIM, DMARC): Protecting Your Domain from AbuseJan 1, 2024Domain Age and History: What a Domain's Past Reveals About Its FutureJan 1, 2024DNS Security: SPF, DKIM, DMARC, and DNSSEC Explained for DevelopersJan 1, 2024DNS Records: A Developer's Practical GuideJan 1, 2024DNS Propagation: How to Monitor and Speed Up DNS Changes WorldwideJan 1, 2024DNS Configuration and Performance Analysis: A Developer's GuideJan 1, 2024Cross-Origin Resource Sharing (CORS) Debugging: A Developer's GuideJan 1, 2024Core Web Vitals: Master Performance Metrics That Actually MatterJan 1, 2024Cookies and Web Storage: What Websites Store About YouJan 1, 2024Cookie Security: Protect Sessions, Prevent Hijacking, and Ensure PrivacyJan 1, 2024Content Security Policy (CSP) Deep Dive: A Developer's GuideJan 1, 2024Why I Switched from SaaS Tools to a Chrome Extension (And Saved $29/month)Jan 1, 2024CDN Detection: Is This Website Using a Content Delivery Network?Jan 1, 2024Browser Storage Security and Limits: A Developer's GuideJan 1, 2024Browser Storage Limits: How Much Data Can Websites Really Store?Jan 1, 2024Browser DevTools Network Analysis Deep Dive: A Developer's GuideJan 1, 2024Browser Compatibility Analysis: Will This Site Work Everywhere?Jan 1, 2024API Endpoint Discovery: Find Hidden APIs and Security VulnerabilitiesJan 1, 2024API Endpoint Discovery: Find Hidden APIs and EndpointsJan 1, 2024Accessibility Quick Audit: Find A11y Issues in SecondsJan 1, 2024