Justin is a self-taught developer who builds and runs DeelCart himself — from the articles to the server it runs on. He manages his own Linux infrastructure and writes guides based on tools and workflows he actually uses day to day.
Articles by Justin (30)
Handling Slug Collisions in an Automated Content Pipeline (MongoDB E11000 Errors)
My import pipeline throws duplicate slug errors regularly. Here's why that's the system working correctly, and how I handle collisions properly.
September 18, 2026
How I Automatically Check Thousands of Time-Sensitive Listings for Expiration
Some content goes stale on its own — a deal expires, a link dies, an offer gets pulled. Checking that by hand across thousands of listings isn't possible
September 16, 2026
Automating IndexNow Submissions So New Pages Get Indexed Faster
I publish and update content daily on a site with 1,500+ pages. Manually submitting URLs to search engines isn't realistic at that pace — so IndexNow sub..
September 12, 2026
Building a Smart Internal Linking System for a Large Content Site (1,500+ Pages)
I run a site with over 1,500 pages of content. Manually adding internal links to every one isn't realistic — so I built a system that does it automatically
September 12, 2026
How to Host Multiple Next.js Apps on One VPS with PM2 and Nginx (Without Port Conflicts)
I run four separate Next.js sites off one DigitalOcean droplet. Here's exactly how PM2 and Nginx are set up to keep them from fighting over the same port.
September 11, 2026
Free Unlimited Custom Domain Email with Gmail and Cloudflare in 2026
A professional custom domain email address — like [email protected] or [email protected] — looks significantly more credible than a Gmail or ..
September 8, 2026
What Is a CDN and Do You Actually Need One in 2026?
CDN is one of those terms that gets thrown around in web performance conversations as if everyone already knows what it means and why it matters.
August 29, 2026
The Hidden Cost of Switching Productivity Tools Too Often
There is always a new tool. A better notetaking app. A more powerful task manager. A smarter calendar. A faster code editor. A cleaner writing environment.
August 29, 2026
Common Mistakes Beginners Make When Migrating to the Cloud
Cloud migration looks straightforward on paper. Move your servers to AWS, Azure, or Google Cloud. Pay only for what you use. Stop worrying about hardware …
August 29, 2026
Common Reasons a Website Fails Core Web Vitals (and Simple Fixes)
Core Web Vitals are Google's user experience metrics — Largest Contentful Paint, Cumulative Layout Shift, and Interaction to Next Paint. They measure how…
August 29, 2026
Zapier vs Make (Integromat): Which Automation Tool Wins in 2026?
Zapier and Make are the two most widely used nocode automation platforms in the world. Both connect your apps, automate repetitive tasks, and move data…
August 29, 2026
Serverless vs Traditional Hosting: A Real-World Cost Breakdown
Serverless computing has been marketed as the obvious future of hosting. No servers to manage. Pay only for what you use. Scale automatically to any…
August 29, 2026
AI Coding Assistants: What They're Genuinely Good At vs Where They Still Fail
AI coding assistants have changed how software gets written. GitHub Copilot, Claude Code, Cursor, and their competitors are now part of the daily workflow
August 28, 2026
Static Site Generators vs Traditional CMS: What's Right for Your Project?
Every new web project faces the same early decision: how do you build and manage the content? For decades the answer was a Content Management System…
August 28, 2026
Why Most Productivity Apps Fail Within a Month (and What Actually Sticks)
Every January the pattern repeats. Millions of people download productivity apps. They set up elaborate systems — colourcoded task lists, time blocks…
August 27, 2026
Why Your Cloud Bill Keeps Growing (and How to Actually Control It)
Cloud computing was supposed to save money. Pay only for what you use. Scale up when you need to, scale down when you do not. No upfront hardware costs..
August 26, 2026
Prompt Engineering Is Overrated — Here's What Actually Matters
Every week there is a new article about prompt engineering. A new framework. A new set of magic phrases that supposedly unlock the true power of AI…
August 26, 2026
Why Your Website Feels Slow Even on Fast Hosting in 2026
You paid for premium hosting. Your server response time is fast. Your hosting dashboard shows green lights across the board. And yet your website still..
August 24, 2026
Notion vs ClickUp vs Asana: Picking the Right Tool for a Small Team in 2026
Notion, ClickUp, and Asana are three of the most popular productivity and project management tools available in 2026. All three help small teams organise
August 24, 2026
AWS vs Azure vs Google Cloud: Which One Should You Learn First in 2026?
Cloud computing is the most indemand skill in technology in 2026. Every company — from startups to Fortune 500 enterprises — runs workloads in the cloud.
August 23, 2026
Playwright with TypeScript: Complete Guide with Examples in 2026
Playwright and TypeScript are one of the most powerful combinations in modern web testing. TypeScript adds static type checking, better IDE autocomplete,
August 20, 2026
50 Playwright Interview Questions and Answers for 2026
Playwright has become one of the most indemand skills in test automation in 2026. Whether you are preparing for a QA engineer role, a senior automation
August 16, 2026
Playwright Best Practices: Complete Guide for 2026
Writing Playwright tests is easy. Writing Playwright tests that are fast, reliable, maintainable, and useful six months from now — that is the harder part.
August 16, 2026
Playwright CI/CD: Complete Guide to Running Tests in Pipelines in 2026
Running Playwright tests locally is straightforward. Running them reliably in a CI/CD pipeline — on every pull request, across multiple browsers
August 13, 2026
Playwright API Testing: Complete Guide with Examples in 2026
Most developers think of Playwright as a browser testing tool — and it is. But Playwright also includes a powerful API testing capability that lets you
August 12, 2026
Playwright Fixtures: Complete Guide with Examples in 2026
Fixtures are one of the most powerful features in Playwright. They let you set up the environment your tests need — a loggedin page, a seeded database,
August 12, 2026
Playwright Assertions: Complete Guide with Examples in 2026
Assertions are the heart of any automated test. Without them, you are just clicking through a website — not verifying that anything actually works.
August 11, 2026
Playwright Installation Guide: How to Install Playwright in 2026
Playwright is one of the most powerful browser automation and testing frameworks available in 2026. Built by Microsoft, it lets you write automated tests
August 11, 2026
7 Best PHP Frameworks for Web Development in 2026 (Compared)
PHP powers over 75% of all websites on the internet — including WordPress, Facebook's early infrastructure, and Wikipedia. In 2026, it remains one of the
August 4, 2026
Playwright vs Selenium: Which Testing Tool Should You Choose in 2026?
Choosing between Playwright and Selenium is one of the most common decisions development and QA teams face when setting up automated web testing. Both tool
August 3, 2026