Category: Engineering
Practical thinking on engineering, performance, SEO and product — from the DELLIUX team.
Serverless vs Containers vs VPS: A Founder’s Guide
A plain-English guide to choosing between serverless, containers and a VPS, built around traffic patterns, team size and cost, not hype.
9 min read
i18n for Web Apps: A Founder’s Guide to Going Global
What internationalisation actually involves, why it's cheaper to build in from day one, and how to roll it out market by market without a rebuild.
7 min read
File Upload Architecture: A Founder’s Guide to Scaling Uploads
A practical breakdown of how to architect file uploads that scale safely, from presigned URLs and multipart uploads to security, processing and cost.
8 min read
Disaster Recovery Plan for Startups: A Backup Guide
Most startup backup plans look reassuring until they're actually needed. Here's how to set real recovery targets, back up properly, and test that it all works.
8 min read
SSR vs SSG vs CSR: How to Choose a Rendering Strategy
A founder's guide to SSR vs SSG vs CSR: what each rendering strategy does well, how it affects Core Web Vitals and SEO, and a simple framework for choosing per page.
8 min read
Zero-Downtime Database Migrations: A Practical Guide
A practical guide to shipping database schema changes without a maintenance window, using the expand and contract pattern, the right tooling for your database engine, and a rollback plan you can trust.
9 min read
WebSockets vs Server-Sent Events vs Polling: A Founder’s Guide
Deciding between WebSockets, Server-Sent Events and polling shapes your hosting, scaling and monitoring for months. Here's a simple framework to pick the right one first time.
8 min read
Headless CMS vs Traditional CMS: Which Fits Your Website?
A plain-English guide to choosing between a headless CMS and a traditional CMS, with a practical decision framework for founders and product teams.
8 min read
REST vs GraphQL: A Founder’s Guide to API Architecture
A practical, no-hype comparison of REST and GraphQL to help founders and CTOs choose the right API architecture for their product and team.
7 min read
Cloud Cost Optimisation for Startups: A Founder’s Guide
Most startup cloud bills grow from a handful of fixable habits, not real usage. Here's where the waste hides and which levers actually bring costs down.
8 min read