Image Optimization for Modern Web Applications: Formats, CDNs, Automation
Images account for 50-70% of a typical web page's weight. Optimizing them properly — choosing the right format, generating responsive sizes, automatin…
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60fps Real-Time Graphics: OffscreenCanvas in Next.js ⚡
The Interactive Dashboard Bottleneck Modern enterprise platforms at Smart Tech Devs demand high-density data visualizations. We build tracking spaces …
Cut Network Latency: Optimize Next.js with Brotli ⚡
The Overlooked Bandwidth Tax When optimization is discussed in modern frontend development, developers frequently focus on component code-splitting or…
Getting images actually web-ready: compress, resize, and pick the right format without opening an editor
A surprising amount of "my site is slow" comes down to one thing: someone dropped a 4032x3024 photo straight off their phone into a content block that…
How we cut INP from 480ms to under 200ms on a legacy site (no rewrite)
Most "make it faster" advice assumes you can rebuild. On real small-business sites — a clinic on WordPress, a retailer on a 2018 theme — you usually c…
How to Onboard a New Client for Performance Monitoring
You sold performance monitoring on the proposal, and the contract is signed. Now delivery has three days before someone asks why nothing is live yet. …
Vendor Chunking: The React Optimization I Wish I'd Known Earlier
I ignored my bundle size for months. By the time I checked, my production build was several megabytes of JavaScript in a single file — and every deplo…
Font Subsetting for Web Performance: 4 Tools to Reduce Font File Size and Improve LCP
In web development, every millisecond on the critical path matters. Typography is part of your visual identity, yet a single self-hosted family can ad…
From Reactive to Proactive: How Smart Alerts Change Performance Monitoring
An account manager forwarded us a Search Console screenshot at 4:47 p.m. on a Friday. LCP on the homepage had been in the red for eleven days. Enginee…
INP in production: what we wish we had measured earlier
We spent years teaching clients to watch Largest Contentful Paint. Hero images, preload tags, CDN moves: the story was easy to tell in a slide deck. W…
Stop Freezing Your API: Async Email Delivery in Laravel
The Synchronous Mail Bottleneck When building an enterprise B2B SaaS at Smart Tech Devs, sending transactional emails is inevitable—whether it is a we…
I've audited dozens of estate agency websites. The same 5 problems show up every single time.
Estate agency websites sit in an interesting category from a technical standpoint — high commercial intent traffic, predominantly mobile, long decisio…
The 114KB Span Attribute That Hid Our LCP Data
A React Native WebView debugging story about LCP, data URLs, and trace attributes We recently ran into a strange Sentry performance issue in a React N…
Auditing 1,000 French SMB sites: the top technical tier captures 4.2x the sector median in organic traffic
Over several months, we audited 1,000 French SMB sites using a unified protocol — same criteria, same tools, same thresholds. The goal: identify what …
Why We Render Everything in the Browser
On Second Thought — Episode 07 Open any modern site. The utility provider's login, the restaurant booking, the parcel tracker. The laptop fan spins up…
What I learned measuring Pretext.js: things browser benchmarks don't tell you
A while ago — though by current standards that already feels like ancient history — Twitter was loud with discussion of Pretext.js , a text-layout lib…
Shopify Speed Optimization with Liquid Code (5 Patterns)
I audited 14 Shopify themes last quarter for speed. 11 of them blamed apps. None had touched Liquid loop count, capture-in-loop allocations, or image …