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…
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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 …