Search
A Deep Dive into Native Lazy-Loading for Images and Frames
15.5.2019
Today's websites are packed with heavy media assets like images and videos. Images make up around 50% of an average website's traffic. Many of them, however, are never shown to a user because they're placed way below the fold.
What’s this thing about images being lazy, you ask? Lazy-loading...
A CSS Golfing Exercise
6.5.2019
Code golfing is a type of programming where the goal is to accomplish a task using as few bytes as possible. CSSBattle is a code golfing battleground where players complete to recreate target images using CSS and HTML.
The rules are fairly simple:
No external resources (sorry, no <img...
Native Lazy Loading
9.4.2019
IntersectionObserver has made lazy loading a lot easier and more efficient than it used to be, but to do it really right you still gotta remove the src and such, which is cumbersome. It's definitely not as easy as:
<img src="celebration.jpg" loading="lazy" alt="..." />
Addy Osmani says...
Who has the fastest website in F1?
2.4.2019
Jake Archibald looks at the websites of Formula One race teams and rates their performance, carefully examining their images and digging into the waterfall of assets for each site:
Trying to use a site while on poor connectivity is massively frustrating, so anything sites can do to make it less...
Deliver Responsive and Art Directed Images For Your Website with ImageKit
26.3.2019
Images are essential for all websites. Whether it is product images for an e-commerce store, photographs of picturesque locations on a travel website or images to support the content of a blog
Perfect Image Optimization for Mobile with Optimole
14.3.2019
(This is a sponsored post.)
In 2015 there were 24,000 different Android devices, and each of them was capable of downloading images. And this was just the beginning. The mobile era is starting to gather pace with mobile visitors starting to eclipse desktop. One thing is certain, building...
Planning for Responsive Images
13.3.2019
The first time I made an image responsive, it was as simple as coding these four lines:
img {
max-width: 100%;
height auto; /* default */
}
Though that worked for me as a developer, it wasn’t the best for the audience. What happens if the the image in the src attribute is heavy? On high-end...
Did you know that CSS Custom Properties can handle images too?
27.2.2019
So you might be aware of CSS Custom Properties that let you set a variable, such as a theme color, and then apply it to multiple classes like this:
:root {
--theme: #777;
}
.alert {
background: var(—-theme);
}
.button {
background: var(—-theme);
}
Well, I had seen this pattern so often...
How to Create a Fake 3D Image Effect with WebGL
20.2.2019
Learn how to create an interactive "fake" 3D effect for images with depth maps and plain WebGL.
How to Create a Fake 3D Image Effect with WebGL was written by Yuriy Artyukh and published on Codrops
Social Cards as a Service
19.2.2019
I love the idea of programmatically generated images. That power is close at hand these days for us front-end developers, thanks to the concept of headless browsers. Take Puppeteer, the library for controlling headless Chrome. Generating images from URLs is their default use case:
const puppeteer...
“the closest thing web standards have to a golden rule”
14.2.2019
The internet's own Mat Marquis plucks this choice quote from the HTML Design Principals spec:
In case of conflict, consider users over authors over implementors over specifiers over theoretical purity.
And then he applies the idea to putting images on websites in 2019.
Direct Link to Article...
SVG Filter Effects: Duotone Images with <feComponentTransfer>
5.2.2019
This fourth article in our SVG Filter series will show you how to use feComponentTransfer to create a duotone filter effect.
SVG Filter Effects: Duotone Images with <feComponentTransfer> was written by Sara Soueidan and published on Codrops
How do you figure?
1.2.2019
Scott O'Hara digs into the <figure> and <figcaption> elements. Gotta love a good ol' HTML deep dive.
I use these on just about every blog post here on CSS-Tricks, and as I've suspected, I've basically been doing it wrong forever. My original thinking was that a figcaption was just...
Using Artificial Intelligence to Generate Alt Text on Images
1.2.2019
Web developers and content editors alike often forget or ignore one of the most important parts of making a website accessible and SEO performant: image alt text. You know, that seemingly small image attribute that describes an image:
<img src="/cute/sloth/image.jpg" alt="A brown baby sloth...
SVG Filter Effects: Poster Image Effect with <feComponentTransfer>
29.1.2019
Learn how feComponentTransfer works and how you can posterize images with this powerful SVG filter primitive.
SVG Filter Effects: Poster Image Effect with <feComponentTransfer> was written by Sara Soueidan and published on Codrops
JavaScript Labels
15.1.2019
No matter how long you’ve been a JavaScript developer, there will always be language features that you didn’t know about until you saw them in a fringe piece of code. Your reaction generally is a bit like: One of those features I see developers quizically trying to figure out...
Colorized Brackets for IDE
13.1.2019
Coders treat their text editors and IDE’s like fragile beings, and for good reason: we spend a ton of time in them and having our tweaks and extensions can make us incredibly productive for our personal workflows. I always love hearing about what extensions and workflows other developers...
WDRL — Edition 253: Welcome back to a new year with Jank-Free Images, Styled Web Components, Human Branding and Code-Splitting
11.1.2019
Hey,
I’m happy to be back with a new edition of my Web Development Reading List in 2019. I’m grateful for all your ongoing givings to support my work and it makes me happy to hear that so many people find this resource very helpful. So if you enjoy reading it, share it with people you know, give...
Git Checkout at Previous Timeframe
9.1.2019
In the past I’ve blogged about checking out branches created on a specific date as well as sorting git branches by date, but one frequent usage of git and dates is checking out a commit at a given time in the past. For example, I often say “Weird, this feature was working a month...
Background Sync with Service Workers
3.1.2019
Service workers have been having a moment. In March 2018, iOS Safari began including service workers — so all major browsers at this point support offline options. And this is more important than ever — 20% of adults in the United States are without Internet at home, leaving these...