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That's a lot of cat pictures.Ĭurrently, there are two ways to defer the loading of off-screen images: At the 90th percentile, sites send about 4.7 MB of images on desktop and mobile. Why browser-level lazy-loading? #Īccording to HTTPArchive, images are the most requested asset type for most websites and usually take up more bandwidth than any other resource.

Browsers that do not support the loading attribute simply ignore it without side-effects. has detailed information on cross-browser support. The implementation for WebKit (Safari) is in progress. is supported by most popular Chromium-powered browsers (Chrome, Edge, Opera) and Firefox. In Chrome 76 onwards, you can use the loading attribute to lazy-load images without the need to write custom lazy-loading code or use a separate JavaScript library.

All articles Browser-level image lazy-loading for the webīrowser-level support for lazy-loading images is now supported on the web! This video shows a demo of the feature:.

Does Lighthouse recognize browser-level lazy-loading?.

How are images handled when a web page is printed?.

How does browser-level lazy-loading affect advertisements on a web page?.

Is lazy-loading for iframes also supported in Chrome?.

How do I handle browsers that don't yet support lazy-loading?.

What if I'm already using a third-party library or a script to lazy-load images?.

How does the loading attribute work with images that are in the viewport but not immediately visible (for example: behind a carousel, or hidden by CSS for certain screen sizes)?.

Is there a downside to lazy-loading images that are within the device viewport?.

Can CSS background images take advantage of the loading attribute?.

Can I change how close an image needs to be before a load is triggered?.

Are there plans to automatically lazy-load images in Chrome?.

Avoid lazy-loading images that are in the first visible viewport.

Images should include dimension attributes.

Improved data-savings and distance-from-viewport thresholds.

Additionally, you can create a website list that ensures that the dark theme will never be applied. You can also set the visited webpage's font and modify the text stroke. You will have some adjustable settings at your disposal, toggling between light and dark themes, brightness value adjustment, contrast, grayscale as well as sepia effects. Where this extension differs from simply turning on or scheduling night light mode as Tim wrote about previously, Dark Reader for Chrome provides more control by allowing you to dictate which websites are affected and which are not. Dark Reader is a free extension for Chrome, Firefox, Edge, and Safari that will make surfing the web easier on the eyes through customizable dark themes.