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Some Performance Blog Posts I’ve Bookmarked and Read Lately

3.2.2021
Back/forward cache — I always assumed browsers just do fancy stuff with the back/forward buttons and us developers had very little control. Philip Walton tells us it’s critical that we understand “what makes pages eligible (and ineligible) for bfcache to … The post Some...

Firefox 85 nabídne cache partitioning. Web bude pomalejší, ale bezpečnější

24.12.2020
V lednu dorazí Firefox 85 a jednou z jeho citelnějších bezpečnostních novinek bude izolovaná cache – tzv. storage partitioning. Technologii už v různé míře používají také Safari a Chrome. Oč se jedná? Když dnes ve Firefoxu načtete web X a poté web Y, mohou sdílet stejný webový obsah, který se

Collective #635

19.11.2020
Pattern Collect * Back/forward cache * ThreeJS starter * SvgPathEditor * upptime The post Collective #635 appeared first on Codrops

Measuring Core Web Vitals with Sentry

17.11.2020
Chris made a few notes about Core Web Vitals the other day, explaining why measuring these performance metrics are so gosh darn important: I still think the Google-devised Core Web Vitals are smart. When I first got into caring about performance, it was all: reduce requests! cache things! Make...

Core Web Vital Tooling

26.10.2020
I still think the Google-devised Core Web Vitals are smart. When I first got into caring about performance, it was all: reduce requests! cache things! Make stuff smaller! And while those are all very related to web performance, they are abstractly related. Actual web performance to users are things...

A Primer on the Different Types of Browser Storage

21.10.2020
In back-end development, storage is a common part of the job. Application data is stored in databases, files in object storage, transient data in caches… there are seemingly endless possibilities for storing any sort of data. But data storage isn’t limited only to the back end. The front end (the...

Netlify Does Cache Invalidation For You

15.7.2020
This is one of my favorite Netlify features. Say you’re working on a site and you change as asset like a CSS, JavaScript, or image file. Ya know, like do our job. On Netlify, you don’t have to think about how that’s going to play out with deployment, browsers, and cache. Netlify...

Smaller HTML Payloads with Service Workers

31.1.2020
Short story: Philip Walton has a clever idea for using service workers to cache the top and bottom of HTML files, reducing a lot of network weight. Longer thoughts: When you're building a really simple website, you can get away with literally writing raw HTML. It doesn't take long to need a...

“Browser Functions”

26.1.2020
Serverless functions are fairly straightforward. Put a bit of back-end language code, like Node, in the cloud and communicate with it via URL. But what if that URL didn't run a back-end language, it ran an actual browser? Richard Young: We can now do full stack development using just Web APIs....

Collective #556

10.10.2019
Cascading Cache Invalidation * Top-level await * Introducing Sass Modules * cursorOS Collective #556 was written by Pedro Botelho and published on Codrops

Going Buildless

27.8.2019
I'm in a long distance relationship. That means I’m on a plane to England every few weeks, and every time I'm on that plane, I think about how nice it would be to read some Reddit posts. What I could do is find a Reddit app that lets me cache posts for offline (I’m sure there is one out there),...

Quick Gulp Cache Busting

7.8.2019
You should for sure be setting far-out cache headers on your assets like CSS and JavaScript (and images and fonts and whatever else). That tells the browser "hang on to this file basically forever." That way, when navigating from page to page on a site — or revisiting it, or refreshing...

then on Objects

5.8.2019
Promises were a revelation in JavaScript development, allowing us to enjoy async processing and avoid callback hell. Many new APIs like Battery API, Cache API, and others use the promise API. One fact you may not know is that you can add a then method to any object to make it Promise-like!...

Inline SVG… Cached

12.4.2019
I wrote that using inline <svg> icons makes for the best icon system. I still think that's true. It's the easiest possible way to drop an icon onto a page. No network request, perfectly styleable. But inlining code has some drawbacks, one of which is that it doesn't take advantage...

Write Your First Service Worker in 5 Minutes

18.3.2019
What is a service worker? A service worker is a little file that will allow you to cache files and other assets on a user’s machine. How is this different from server-side caching? Because the assets are stored on a user’s machine, rather than a server, there is no need to go across...

Collective #498

11.3.2019
QuickChart.io * CSSeffectsSnippets * Stairway * iro.js * ArchiveBox * Cache-Control for Civilians * Handtrack.js Collective #498 was written by Pedro Botelho and published on Codrops

Spoják #8: Chrome nezablokuje blokátory, Edge neblokoval Flash.

25.2.2019
Heslovitě: TargetText. Manifest v3 a blokátory. LibreJS. A11Y. Cesty ve WSL. Nodejs.dev. Rerequest review. GitLab 11.8. Intelligent Tracking Prevention 2.1. Back/forward cache. Encodér VP9. Redis relicencuje. Edge whitelistuje Flash. Chrome ve Windows Timeline. WorldWideWeb. Simdjson. 3D engine...

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