Case Studies

See how we helped clients improve website performance, loading speed, and user experience through the solutions we delivered.

June 15, 2026

Building NeatInvoice: Positioning, Design, and Product Decisions

NeatInvoice case study: workspace positioning vs PDF generator, Editor + Overview architecture, live link tracking, calm professional design, and a Next.js + Supabase + Vercel stack.

Invoicing workspace

Positioning • Not a PDF generator

Editor + Overview

UI Architecture • Two screens only

Live link tracking

Differentiation • Available on Free

Next.js + Supabase

Stack • Vercel hosting

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NeatInvoice — invoicing workspace for freelancers

April 16, 2026

ICV Training Case Study: Astro + Sanity for 4,905 Training Documents

How ICV Training modernized its website with Astro, Sanity, and Cloudflare Workers to handle 4,905 training-related documents with AI-assisted publishing and almost zero platform cost.

93

Mobile PageSpeed • Strong

100

Desktop PageSpeed • Excellent

Approx. 4,905

Documents • AI-assisted

< 1 week

Publishing Time • vs 1-2 weeks manual

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ICVTraining.com homepage

March 10, 2026

Why Penasihat Hosting Moved from WordPress to Next.js 16

A case study on the migration of Penasihat Hosting: from a WordPress setup that was actually still solid to Next.js 16 + PostgreSQL for long-term flexibility, a custom CMS, tool pages, and a more scalable product foundation.

95

Mobile PageSpeed • Excellent

100

Desktop PageSpeed • Excellent

Passed

Core Web Vitals • Healthy

WP → Next.js 16

Migration Scope • Platform Pivot

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New Penasihat Hosting homepage after moving to Next.js 16

February 22, 2026

Shopify-Style WooCommerce Checkout for RWB Auto Shop

An RWB Auto Shop case study: a WooCommerce checkout redesign built on Fluid Checkout Lite plus custom PHP, JavaScript, and CSS for a more premium checkout experience.

Default → Shopify-style

Checkout Flow • UX Upgrade

Fluid Checkout Lite

Approach • Base + Custom

PHP + JS + CSS

Scope • Single Page

Custom Local Pickup

Fulfillment • Delivery / Pickup

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RWB Auto Shop WooCommerce checkout after Shopify-style redesign

January 7, 2026

HydrantSystem Website Rebuild From Scratch After the Old Site Was Lost

From a 404 error on firesystem.co.id to a full rebuild as hydrantsystem.co.id: a case study on building a lightweight, fast, and easy-to-manage website with a modern WordPress stack.

100

Desktop Performance • Excellent

98

Accessibility • Strong

100

Best Practices • Excellent

92

SEO • Good

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HydrantSystem website case study

July 10, 2025

Digital Transformation at PT Zumatic Saka Persada: From Complex to Manageable

A case study on PT Zumatic: mobile performance improved from 53 to 93 and desktop from 81 to 100 through technical auditing, WordPress performance optimization, and a much simpler content workflow.

53 → 93

Mobile PageSpeed • +75%

81 → 100

Desktop PageSpeed • +23%

20 → 15

Plugin Reduction • -25%

3.33s → 1.70s

Load Time • -49%

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Case study of the PT Zumatic Saka Persada website redesign

May 1, 2025

How Harun Studio Moved from WordPress to Astro

How we made the website load 8x faster, reduced hosting cost by 100%, and simplified the workflow by moving from WordPress to Astro.js.

64 → 97

Mobile PageSpeed • +51%

82 → 100

Desktop PageSpeed • +22%

12s → 0.2s

Build Time • -98%

$5.28 → $0

Hosting Cost • -100%

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Harun Studio after moving to Astro.js

June 20, 2024

Muslimadani Online Store Redesign - Process and Results

A Muslimadani.id case study: from a slow website to a faster online store that was more conversion-ready through bottleneck auditing, technical optimization, and infrastructure migration.

7+ Issues Fixed

UX Improvement • Improved

Elementor → Blocks

Technology • Upgrade

Shared → VPS

Hosting • Migration

1000+ Lines

Custom Code • Implemented

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Muslimadani online store mockup

June 11, 2024

WIN Equipment Website Speed Transformation - Case Study

A Win Equipment case study showing how the website improved from a PageSpeed score of 27 to 92 through a full technical optimization approach.

27 → 92

Mobile PageSpeed • +240%

36 → 99

Desktop PageSpeed • +177%

43 → 19

Plugin Reduction • -56%

5.2s → 1.1s

Load Time • -79%

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Win Equipment speed optimization case study