moop | A free and open-source image optimizer for macOS

Batch optimize, resize, and convert images with local-only processing.

moop

#Development #Guides
Browser caching with No-Vary-Search · Better HTTP caching by ignoring irrelevant query parameters https://ilo.im/16crk2

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#Caching #URL #UrlParameters #HTTP #HttpCache #HttpHeaders #Browsers #WebPerf #WebDev #Frontend

Better Browser Caching with No-Vary-Search – CSS Wizardry

No-Vary-Search lets HTTP caches ignore irrelevant query parameters such as UTM tags, while still keeping meaningful ones like product variants in the cache key.

Episode 11 | PerformanceObserver

YouTube

Single data point by the looks of it but dang, TCP RTT from North Korea to one of our CDNs is slow AF, 1.53 seconds.

For comparison, the mean values around Europe are in the order of 25-30ms.

#WebPerformance #WebPerf #WebDevelopment #WebDev

#Development #Approaches
Architecture of local-first web development · How to build local-first web apps in 2026 https://ilo.im/16cq0b

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#LocalFirst #WebApps #Websites #Git #JavaScript #Database #WebPerf #WebDev #Frontend #Backend

The Architecture Of Local-First Web Development — Smashing Magazine

An honest perspective on building local-first web apps in 2026, written for developers who’ve been doing this long enough to be skeptical of silver bullets.

Smashing Magazine

#Development #Releases
New in Chrome 148 · Lazy loading for video/audio, Prompt API, and more https://ilo.im/16cpen

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#LazyLoading #AI #Chrome #Browser #APIs #WebPerf #WebDev #Frontend #HTML #CSS

New in Chrome 148  |  Blog  |  Chrome for Developers

CSS name-only container queries, lazy-loading for video and audio, and the Prompt API.

Chrome for Developers

🐘⚡ PHP-FPM trick ☝️

One endpoint needs 5 min worst-case,
but the rest should still die after 90s?

→ Spin up a 2nd FPM pool + nginx map on a query param.
Routing happens automatically.

🎯 The best part: zero lines of code touched

Setup ⤵️
https://gist.github.com/michabbb/91747cd6f3a700fcc7be072d6817433f

#PHP #nginx #DevOps #PHPFPM #WebPerf

TCP RTT for a BBC telemetry service by country from end user/client to closest CDN [1] PoP.

Larger, redder circles are slower/worse.

This neatly illustrates the global web performance divide.

TCP: Transmission Control Protocol
RTT: Round Trip Time
PoP: Point of Presence

[1] I can't name the CDN, sorry, corp/competition rules.

#WebDev #CDN #WebPerf #WebPerformance

There's a new #webperf measurement API in the works! Check out this post looking at the work @[email protected] and @[email protected] have been putting into the Container Timing—available for testing as an origin trail from Chrome 148 (rolling out next week). developer.chrome.com/blog/contain...

Container Timing origin trial ...
Container Timing origin trial  |  Blog  |  Chrome for Developers

Try out the Container Timing performance measurement API in origin trial from Chrome 148

Chrome for Developers
Wicked Websites: A Rogues’ Gallery – Tyler Sticka

An illustrated guide to the villains endemic to your average web experience.