How to Read Email Headers to Check SPF, DKIM and DMARC
#TechnicalSEO #PageSpeed #WebDev

https://getsiteaiaudit.com/read-email-headers-authentication/

#Development #Launches
Gradient Visualizer · A visual tool to debug multi-layer CSS gradients ilo.im/16gr91 by Ahmad Shadeed

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#CSS #Visualizer #Debugger #Layers #Gradients #Drawings #Art #WebDev #Frontend

I'm a little sad that #deno is now abandoned. I was not in a position to use it in any projects, but I liked the idea of it. #programming #webdev #webdevelopment #javascript #nodejs

Write-up with the code and the limits: abchaudary.me/blog/web-aud...

Have you hit audio drift in the browser? What was the symptom that pointed the wrong way?

#webdev #javascript

A Web Audio metronome on setTimeout can log a perfect beat and still play late: the timer and AudioContext.currentTime are two clocks.

Measured in headless Chromium 151: up to 2.8 s off under stalls. A lookahead scheduler on the audio clock: 0.01 ms.

#javascript #webdev #webaudio

🛠️ Format and validate JSON (with exact error spots)

Worth a minute → https://masons-dev-pocket.netlify.app/json-formatter/ #WebDev

Snapfire FSR: Web apps in TypeScript, served by Rust.

The full stack framework agonstic sweet spot between front and backend engineering is here!

Write React, Vue, Web Components and Tera all in one app while Subsites make it perfect for large teams!

snapfirers.com

#rustlang #opensource #webdev

Shipped my PHP E-Commerce MVP.

Native PHP + MySQL + Stripe, no frameworks. Full source, docs, admin dashboard, cart, checkout, user accounts.

£49 — instant download.
ko-fi.com/s/927a32fbe7

#PHP #WebDev #IndieDev #ECommerce

Happy Saturday ☕️

Taking it slow, building steady.

Indie dev life, one sip at a time 💚

#IndieDev #BuildInPublic #WebDev #CoffeeAndCode

🦖 SVGFEColorMatrixElement: values property 🦖

https://developer.mozilla.org/en-US/docs/Web/API/SVGFEColorMatrixElement/values

The values read-only property of the SVGFEColorMatrixElement interface reflects the values attribute of the given element.

#webdev

What's the most frustrating bug you've encountered that worked perfectly in your local development environment but completely broke the moment it hit a production CDN?

#glitchreplay #errortracking #bugmonitoring #webdev #frontend #debugging

#Business #Guides
DuckDuckGo No-AI as default search engine · A guide for Chrome, Edge, Firefox, and Safari ilo.im/16gtkl by Steve Frenzel

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#NoAI #DuckDuckGo #Search #Browsers #Design #WebDesign #Development #WebDev

Ecommerce development needs the core tools. This guide at buff.ly/7T1xZgk covers a core toolkit for building, testing, and improving online stores. #ecommerce #webdev #thejustifiable

Check out my news site WorldTelegraphNewswire.com
It’s an RSS feed aggregator you can customize to show you the news that’s important to you! I check mine three times a day! #news #websites #software #coding #free #webDev

Fun one: on our LiteSpeed host, Google sign-in failed on the first try only. Cause: response headers over ~4 KB (auth cookies + CSP) abort over HTTP/3. Browser gets a 500, falls back to HTTP/2, retry works. Node logs show nothing; only the server error log did. #webdev #buildinpublic

Cloudflare buys Deno, JPEG XL lands in Chrome, and Next.js 16.4 makes Cache Components the default
front-end-roundup.vercel.app/week/2026-41
#webdev #frontend

Found out my site's rebuild has to fit in 128 MB, finished pages and all. I'd inlined the stylesheet and the icon sprite into every page, and that broke once the page count nearly tripled. One shared CSS file and a per-page sprite fixed it. Do you cap a build's memory on purpose? #WebDev

Is there a name for when a plan comes together?

☑ Adornments are half implemented
☑ But they already use the ribbon system perfectly
☑ Just a few more iterations & ExitGal will be viable!

#webgame #webdev #screenshotsaturday
#pixijs #matterjs #indiedev

♬ Awesome Music = 404Virgy - You feel it too

💻 Developer IT-Tools

A Swiss Army knife for developers:
• JWT & Base64 encoders/decoders
• JSON formatters & schema validators
• Hash/UUID generators, regex testers & Cron syntax

🔗 https://dev.dailytoolbox.org

#DevTools #Programming #WebDev

🦖 HTMLAnchorElement: rel property 🦖

https://developer.mozilla.org/en-US/docs/Web/API/HTMLAnchorElement/rel

The HTMLAnchorElement.rel property reflects the rel attribute. It is a string containing a space-separated list of link types indicating the relationship between the resource repre…

#webdev