Authoritative Engineering & Intelligence Tools
A meticulously curated collection of production utilities I rely on daily: from sub-second Core Web Vitals diagnostic suites to global trade bill of lading records and Anycast edge cloud platforms.
Google PageSpeed Insights
The definitive standard for mobile and desktop Core Web Vitals (LCP, INP, CLS) based on actual Chrome User Experience Report field data.
WebPageTest
Deep-dive multi-location performance profiling with connection throttling, CPU slowdown emulation, video filmstrips, and visual comparison.
URLScan.io
A sandboxed browser scanner that analyzes and records all HTTP requests, third-party tracking scripts, security headers, and DOM mutations.
GTmetrix
Synthetic website speed testing suite providing waterfall breakdowns, page generation timelines, and actionable optimization insights.
Yellow Lab Tools
Frontend code quality auditor that detects deep DOM trees, complex CSS selectors, bad JavaScript practices, and web font rendering bottlenecks.
SpeedVitals Global TTFB Test
Measures Time to First Byte (TTFB) concurrently across 35+ global edge locations to evaluate CDN caching efficiency and origin latency.
Cloudflare Workers & Pages
Serverless execution environment deployed across 300+ Anycast cities, running lightweight JavaScript/Wasm with zero container cold starts.
Astro Web Framework
The modern web framework engineered for content-driven sites, pioneering the Islands architecture to ship pure HTML with selective client hydration.
Resend
Developer-first transactional email API featuring React Email templating, blazing fast REST endpoints, and rock-solid inbox deliverability.
Upstash
Edge-native data infrastructure offering serverless Redis, message queues (QStash), and Kafka with stateless HTTP/REST APIs for edge workers.
Turso (libSQL)
Distributed database powered by libSQL, replicating SQLite data globally close to edge users for sub-millisecond local read queries.
Keystatic
Git-based headless content management system that writes structured JSON, YAML, and Markdoc files directly into your GitHub repository.
Mail-Tester
Evaluates outgoing email message deliverability, testing SPF records, DKIM cryptographic signatures, DMARC alignment, and SpamAssassin rules.
MxToolbox
Comprehensive network diagnostics platform for checking MX records, DNS propagation, SMTP handshakes, and 100+ global email blacklists.
Qualys SSL Labs
Deep security analysis of any public SSL/TLS web server, grading certificate chains, cipher suite strength, forward secrecy, and vulnerabilities.
SecurityHeaders.com
Instant auditing of HTTP response security headers including Content-Security-Policy, Strict-Transport-Security, Permissions-Policy, and Referrer-Policy.
DNSViz
Interactive visualization tool for analyzing the health, cryptographic delegation, and authoritative server status of DNS and DNSSEC chains.
BGPView
Real-time BGP routing inspector displaying ASN ownership, prefix announcements, Anycast peers, and international internet exchange points.
ImportYeti
Searchable database of millions of US Customs sea shipment records, uncovering real factory suppliers, OEM partners, and competitor logistics routes.
Meta Ad Library
Comprehensive, searchable archive of every active commercial ad creative currently running across Facebook, Instagram, Messenger, and Audience Network.
Google Ads Transparency Center
Official repository of verified advertisers running search, YouTube, and display campaigns across Google network properties globally.
WIPO Global Brand Database
Global trademark search portal covering international registrations under the Madrid System, national IP offices, and regional registries.
BuiltWith
Web technology profiler revealing the underlying CMS, CDN, tracking tags, payment gateways, and advertising pixels used by any target domain.
Similarweb
Digital market intelligence platform providing website traffic benchmarks, referral sources, audience geographies, and search intent breakdown.
Need an expert audit using these tools?
Running audits is simple; synthesizing the data into an actionable, zero-downtime engineering roadmap requires deep systems expertise. Let me diagnose your performance, email reputation, or cloud infrastructure.