D David Williams

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Thoughts, tutorials, and insights on web performance, scalable frontend architecture, analytics, SEO, experimentation, accessibility, and modern digital platforms.

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Lazy-Loading YouTube Embeds in WordPress: Eliminating 3.6 MB of Eager Payload

Learn how I refactored YouTube IFrame API embeds on an enterprise WordPress site into a lazy-init facade, reducing eager payload while preserving analytics.

D David Williams

July 18, 2026 2 min read

Performance Engineering Web Performance Frontend Architecture Enterprise Architecture Core Web Vitals WordPress

How I Connected Google Analytics 4 to Claude Using Googles Official MCP Server

Learn how to connect Google Analytics 4 to Claude using Googles official MCP server on Windows, solve common authentication issues, and unlock AI-powered analytics workflows.

D David Williams

July 7, 2026 2 min read

Google Analytics 4 Model Context Protocol Analytics Engineering Enterprise Architecture Artificial Intelligence Developer Tools

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PageSpeed Insights Dashboard: Track Performance Over Time

How I built a PageSpeed Insights dashboard to run Lighthouse audits, track Core Web Vitals, and monitor historical performance trends after deployments.

D David Williams

June 21, 2026 2 min read

Performance Engineering Web Performance JavaScript Google PSI Lighthouse Web Development Frontend Architecture

Behind the Design: Why My Portfolio is Purple and Black

The story behind the purple and black design of my Astro-powered portfolio website - inspired by basketball, the Sacramento Kings, career milestones, and personal memories.

D David Williams

May 27, 2026 2 min read

Astro Web Development Web Design

Building a Custom Yoast SEO Duplicate Checker Plugin for WordPress Gutenberg

How I developed a custom WordPress plugin that prevents duplicate Yoast SEO titles and meta descriptions while enabling scalable self-service publishing workflows for marketing teams.

D David Williams

April 23, 2026 2 min read

WordPress PHP Gutenberg Yoast SEO Technical SEO JavaScript Web Development Content Governance Marketing Operations

Building a Server-Side GTM Architecture for Privacy-First Marketing at Billtrust

How I implemented a server-side Google Tag Manager architecture at Billtrust to improve GDPR compliance, increase data accuracy, strengthen attribution, and future-proof marketing analytics.

D David Williams

January 3, 2026 2 min read

Google Tag Manager Server-Side Tagging OneTrust GDPR Consent Mode GA4 Marketing Operations Data Privacy Analytics

Transforming GA4 Into a Marketing Decision-Making System at Billtrust

How I built custom GA4 dashboard collections that transformed fragmented analytics into an executive-ready marketing reporting system for lead generation, attribution, and content performance.

D David Williams

November 17, 2025 2 min read

GA4 Google Analytics Marketing Analytics Marketo WordPress Demand Generation Data Visualization Marketing Operations

Implementing GDPR-Compliant Google Tag Manager Architecture with OneTrust and Consent Mode

How I implemented a GDPR-compliant GTM architecture using OneTrust CookiePro and Google Consent Mode to govern analytics and marketing tracking across a global enterprise website.

D David Williams

July 17, 2025 2 min read

Google Tag Manager OneTrust GDPR Consent Mode GA4 Marketing Operations Data Privacy

Building a Smarter Marketo + GA4 Form Tracking System in WordPress

How I engineered a resilient Marketo form integration that improved analytics accuracy, prevented duplicate tracking events, and created a better conversion experience.

D David Williams

June 5, 2025 2 min read

Marketo GA4 WordPress Marketing Operations Web Development Analytics Conversion Optimization

Designing a Dynamic Salesforce Support Form with Custom Validation and UX Enhancements

How I designed and developed a responsive Salesforce Web-to-Case support form with dynamic fields, custom validation, reCAPTCHA, and UX-focused enhancements.

D David Williams

November 16, 2024 1 min read

Salesforce Frontend Development JavaScript UX Web Development Accessibility Form Design Customer Support reCAPTCHA Conversion Optimization

Building an AR Maturity Assessment Experience with Vanilla JavaScript

How a six-question AR maturity assessment guides finance professionals through a personalized evaluation using vanilla JavaScript, DOM-driven state management, and more.

D David Williams

March 23, 2024 2 min read

Vanilla JavaScript UX State Management Personalization Accessibility Lead Generation Frontend Architecture

Engineering a Contextual Product Discovery Experience for Enterprise Marketing

How I designed and developed an accessible, synchronized accordion and product relationship experience at Billtrust to improve product discovery, engagement, and conversion.

D David Williams

October 10, 2023 2 min read

Frontend Architecture Frontend Development JavaScript UX Web Development Accessibility Conversion Optimization

Building a Video Engagement Tracking System with YouTube API, Marketo, and Piwik PRO

How a custom JavaScript tracking layer connected YouTube engagement data to marketing automation and analytics platforms.

D David Williams

July 21, 2022 1 min read

JavaScript YouTube API Marketo Piwik PRO Analytics Marketing Automation Accessibility Frontend Architecture Tracking Enterprise

Reducing Friction in Gated Content with Marketo Known Visitor Personalization

How I built a Marketo-powered known visitor experience in WordPress that increased gated content engagement while still preserving marketing form-fill KPIs.

D David Williams

February 8, 2022 2 min read

Marketo GA4 WordPress Marketing Operations Web Development Analytics Conversion Optimization JavaScript Demand Generation

Building Attribution Tracking with JavaScript, Cookies, WordPress, and Marketo

How I developed a custom JavaScript attribution framework that captured and persisted UTM parameters, referral sources, and campaign data across sessions for Marketo and Salesforce lead attribution.

D David Williams

September 19, 2021 2 min read

Marketo GA4 WordPress Marketing Operations Web Development Salesforce Conversion Optimization JavaScript Demand Generation

Building an Interactive Snowfall History Visualization with Google Charts

How an interactive snowfall visualization transformed historical ski resort snow data into a highly engaging user experience.

D David Williams

February 12, 2020 1 min read

Vanilla JavaScript Google Charts Data Visualization Analytics Frontend Development UX Interactive Design

Driving Season Pass Sales with a JavaScript Countdown Timer

How a lightweight JavaScript countdown timer created urgency, improved engagement, and helped increase season pass sales at Sierra-at-Tahoe.

D David Williams

April 2, 2019 1 min read

JavaScript Web Development Conversion Optimization Lead Generation Frontend Development UX Digital Marketing E-Commerce

Building a Custom Construction Materials Calculator with Vanilla JavaScript

How a lightweight JavaScript materials calculator helped reduce purchasing friction and improve customer experience for Tahoe Sand and Gravel.

D David Williams

August 4, 2018 1 min read

JavaScript Web Development Conversion Optimization Lead Generation Frontend Development UX Accessibility E-Commerce

Building a Responsive Season Pass Comparison Experience with Smart Filtering and Dynamic Pricing

How I designed and developed a mobile-first season pass comparison experience with dynamic filtering, pricing toggles, and more to improve usability and support online pass sales.

D David Williams

April 1, 2018 2 min read

JavaScript Accessibility Conversion Optimization Responsive Design Frontend Development UX Digital Marketing E-Commerce

Building Executive-Level Marketing Dashboards with Google Data Studio

How interactive dashboards transformed digital marketing reporting into a centralized decision-making system across analytics, ecommerce, email, advertising, social media, and PR.

D David Williams

June 9, 2017 2 min read

Google Data Studio Analytics Dashboard Design Data Visualization Digital Marketing Reporting Business Intelligence Marketing Analytics

Building a Responsive Lift Ticket Pricing Table Without JavaScript

How a mobile-first responsive pricing table improved usability and supported online ticket sales growth at Sierra-at-Tahoe using only HTML and CSS.

D David Williams

September 1, 2016 2 min read

HTML CSS Data Visualization Responsive Design Frontend Development UX Accessibility E-Commerce

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