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Images Are Not Static Content

10.10.2019
We constantly hear about the importance of keeping websites lean and fast. A fast-loading website makes users more satisfied, and satisfied users spend more time and money on your website. However, website optimization is a complex task, as there is not one silver bullet to fix all of the issues...

Preloading Pages Just Before They are Needed

27.9.2019
The typical journey for a person browsing a website: view a page, click a link, browser loads new page. That's assuming no funny business like a Single Page App, which still follows that journey, but the browser doesn't load a new page — the client fakes it for the sake of a snappier...

An Explanation of How the Intersection Observer Watches

24.9.2019
There have been several excellent articles exploring how to use this API, including choices from authors such as Phil Hawksworth, Preethi, and Mateusz Rybczonek, just to name a few. But I’m aiming to do something a bit different here. I had an opportunity earlier in the year to present the VueJS...

Lazy load embedded YouTube videos

20.8.2019
This is a very clever idea via Arthur Corenzan. Rather than use the default YouTube embed, which adds a crapload of resources to a page whether the user plays the video or not, use the little tiny placeholder webpage that is just an image you can click that is linked to the YouTube embed. It still...

Collective #539

8.8.2019
Native lazy-loading for the web * The case study factory * Predictably Random * Writing Modes And CSS Layout Collective #539 was written by Pedro Botelho and published on Codrops

Get Peak WordPress Performance with Jetpack

18.7.2019
The irony of web performance is that the average page weight of a site continues to go up year after year, despite us being more aware of the problem and having more tools at our disposal to fight it than ever. To paraphrase Seinfeld, "we know how to fight page weight issues; we just don't use...

Developing a robust font loading strategy for CSS-Tricks

10.7.2019
Zach Leatherman worked closely with Chris to figure out the font loading strategy for this very website you're reading. Zach walks us through the design in this write-up and shares techniques that can be applied to other projects. Spoiler alert: Font loading is a complex and important part of...

Tips for rolling your own lazy loading

1.7.2019
You may have heard (or even issued the call) that “we can just use lazy loading!” when looking for a way to slim down a particularly heavy web page. Lazy loading is a popular technique for gradually requesting images as they come into view, rather than all at once after the HTML of the page...

Wix Is Challenging You to an SEO Battle for $25K (Sponsored)

24.5.2019
This year Wix launched a series of advanced SEO tools for Wix users to optimize their site pages for search engines and social media platforms. These tools include custom meta tags, canonical URLs, 301 redirects, structured data and rapid loading. So what’s the deal? To put their new SEO tools...

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...

Google Fonts is Adding font-display

14.5.2019
Google announced at I/O that their font service will now support the font-display property which resolves a number of web performance issues. If you're hearing cries of joy, that's probably Chris as he punches the air in celebration. … Read article The post Google Fonts is Adding...

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