Resume

Web engineer · WordPress · AI · Performance · Tooling

I’m Ivan.

I explore WordPress, AI, performance, and developer tooling to build better experiences on the web.

This site is my public notebook: deep technical tutorials, short notes, experiments, talks, and links from years of building for the web.

Browse the guides

Read resume Latest articles Get in touch

Ivan Kristianto — Ivan · Jakarta · c. 2026

Exploring WordPress, AI, performance, and developer tooling.

FEATURED TOPICS

Where I spend my time on the web

WordPress 73 posts

Engineering notes from large-scale WordPress builds.

How I use LLMs day-to-day, and where they actually help.

Performance 15 posts

Real numbers from real sites — caching, queries, Core Web Vitals.

Web APIs 27 posts

Platform primitives — what's new, what's stable, what's worth using.

Tooling 173 posts

Editor setup, CLI scripts, CI tricks, things that compound.

THINGS I’VE BUILT

Projects

Allowealth

Active

Personal and family financial application.

TypeScript Astro Node.js

GitHub — Allowealth

Cloudflare API CLI

Active

Manage your Cloudflare accounts through a CLI interface.

Node.js JavaScript Cloudflare API

GitHub — Cloudflare API CLI

Zsh Dotfiles

Active

Opinionated ZSH settings.

Shell Zsh

GitHub — Zsh Dotfiles

WP Passkey

Active

Passwordless authentication for WordPress.

WordPress PHP JavaScript

GitHub — WP Passkey

LATEST NOTES · TIL · EXPERIMENTS · LINKS

What I’ve been working on

October 6, 2026

Chrome Modern Web Guidance, What is it?

Notes to my future self on Chrome’s Modern Web Guidance skill: what it is, how to install it, and how it runs a small RAG over its guides with a local all-MiniLM model.
July 19, 2026

How to code with AI agents

I use AI agents every day: not just to write code, but for research, brainstorming, planning, and user testing. I wrote an article on Human Made blog:
January 17, 2016

Learning to build Machine Learning

This weekend I spent hours learning prediction.io. PredictionIO is an open-source machine learning server for developers and data scientists to build and deploy predictive applications in a fraction of the time. Prediction.io makes machine learning very easy to learn. Its architecture makes it easy to train the machine and deploy it. It is based on…

Read every note