Devin Vance
Lead Systems & Performance Architect
Devin Vance is a systems architect specializing in Core Web Vitals remediation, JavaScript hydration profiling, and synthetic browser benchmarking.
Laboratory Experience & Specialization
Core Technical Focus:
- Core Web Vitals Remediation (LCP, INP, CLS)
- JavaScript Execution & Hydration Profiling
- Critical Rendering Path Optimization
- Synthetic & Real User Monitoring (RUM)
Empirical Research & Datasets
100 Websites Audited: What Real-World Data Reveals About Speed, Schema, and AI Bots
An empirical forensic benchmark of 100 live websites measuring server latency, mobile LCP bottlenecks, Knowledge Graph adoption, and llms.txt AI discovery readiness.
The State of WordPress Performance 2026: 500-Site Empirical Benchmark
An empirical teardown of mobile Core Web Vitals, page weight, DOM depth, and cache hit ratios across production websites.
100 Agency Websites: What Their Homepages Reveal About Speed and SEO
We audited 100 digital agency homepages to document real-world performance bottlenecks and structured data adoption.
Published Guides & Benchmarks
MyWebAudit Alternative: Why Agencies Are Switching to 1-Page Forensic Tear Sheets
Discover why digital agencies and consultancies are replacing bloated 30-page PDF audit checklists with focused 1-page forensic tear sheets that isolate root performance bottlenecks and close higher-ticket retainers.
How to Audit Shopify App Bloat: Profiling Third-Party Scripts, CPU Blocking, and Mobile LCP
Learn how to diagnose and remediate Shopify app bloat. Profile third-party JavaScript execution, identify orphan snippets in theme.liquid, and fix mobile LCP and INP bottlenecks.
What is GEO? Generative Engine Optimization vs SEO: The 2026 Guide
Understand what GEO means in marketing, how Generative Engine Optimization compares to traditional SEO and AEO, and the 4 technical pillars required to win AI citations in 2026.
Why Mobile Core Web Vitals Fail While Desktop Passes: 3 Silent Fixes for LCP, DOM Bloat, and INP
Discover why websites pass Core Web Vitals on desktop but fail on mobile. Fix the 3 silent architectural bottlenecks: lazy-loaded LCP images, DOM bloat, and INP hydration locks.