Tags: images



Web Bloat Score Calculator

Page web bloat score (WebBS for short) is calculated as follows:

WebBS = TotalPageSize / PageImageSize

Yes, this is a tongue-in-cheek somewhat arbitrary measurement, but it’s well worth reading through the rationale for it.

How can the image of a page be smaller than the page itself?

CSS-only chat

A truly monstrous async web chat using no JS whatsoever on the frontend.

This is …I mean …yes, but …it …I …

Unraveling The JPEG

A deep, deep, deep dive into the JPEG format. Best of all, it’s got interactive explanations you can tinker with, a la Nicky Case or Bret Victor.

AddyOsmani.com - Native image lazy-loading for the web!

The loading attribute for images and iframes is coming to Chrome. The best part:

You can also use loading as a progressive enhancement. Browsers that support the attribute can get the new lazy-loading behavior with loading=lazy and those that don’t will still have images load.

Who has the fastest website in F1? - JakeArchibald.com

I think I physically winced on more than one occassion as I read through Jake’s report here.

He makes an interesting observation at the end:

However, none of the teams used any of the big modern frameworks. They’re mostly Wordpress & Drupal, with a lot of jQuery. It makes me feel like I’ve been in a bubble in terms of the technologies that make up the bulk of the web.

Yes! This! Contrary to what you might think reading through the latest and greatest tips and tricks from the front-end community, the vast majority of sites out there on the web are not being built with React, Vue, webpack or any other “modern” tools.

NASA’s Visual Universe

An interesting way of navigating through a massive amount of archival imagery from NASA.

Oh Hello Ana - Colours of 2018

I love this idea of comparing human colour choices to those of a computer:

I decided to do two things: the top three most used colours of the photo decided by “a computer” and my hand picked choices. This method ended up revealing a couple of things about me.

I also love that this was the biggest obstacle to finding representative imagery:

I wanted this to be an exciting task but instead I only found repeated photos of my cat.

Making single color SVG icons work in dark mode

Another good reason to use the currentColor value in SVGs.

ANDI - Accessibility Testing Tool - Install

Another bookmarklet for checking accessibility—kind of like tota11y—that allows to preview how screen readers will handle images, focusable elements, and more.

Remove Background from Image – remove.bg

Well, this looks like it could come in handy—no more tedious time in Photoshop trying to select turn a person into a separate layer by hand; this does it for you.

Responsive Images on the Apple Watch — ericportis.com

Some tips for getting responsive images to work well on the Apple Watch:

  • test your layouts down to 136-px wide
  • include 300w-ish resources in your full-width img’s srcsets
  • art direct to keep image subjects legible
  • say the magic meta words


A handy in-browser image compression tool. Drag, drop, tweak, and export.

Dynamic resources using the Network Information API and service workers

Smart thinking—similar to this post from last year—about using the navigator.connection API from a service worker to serve up bandwidth-appropriate images.

This is giving me some ideas for my own site.

The Tarot Cards Of Tech

A useful set of questions to ask on any project, shuffled and dealt to you.

They’ll not only help you foresee unintended consequences—they can also reveal opportunities for positive change.

All of the content in images. Not a single image has alternative text. If only they had asked themselves:

When you picture your user base, who is excluded? If they used your product, what would their experience be like?

Keep Pixelated Images Pixelated as They Scale | CSS-Tricks

This is a potentially useful bit of CSS that I had no idea existed.

Lazy Loading Images and Video  |  Web Fundamentals  |  Google Developers

Jeremy Wagner offers a deep dive into lazy loading images (and video) with some advice for considering the no-JavaScript situation too.


This service could be quite handy if you’re making a presentation that involves showing code—it generates syntax-highlighted images of code.

Compressive Images Revisited - TimKadlec.com

Tim explains why that neat trick of making a really big JPEG with quality set to 0% is no longer necessary, and how the savings you make in bandwidth with that technique are nullified by the expense of the memory footprint needed.

Swapping Images with the Sizes Attribute | Filament Group, Inc., Boston, MA

The hits just keep on coming from the Filament Group. Here Scott shares a really clever technique for creating an image magnifier using the sizes attribute of the img element.