Is there a way to lazy load an image?
Irrespective of whether it is the 1st or the 1000th image in your HTML and well off-screen, if the browser gets the src attribute, it would trigger the image load. Thus, to lazyload such images, put the image URL in an attribute other than src.
How does lazy loading work in Google Chrome?
Browser-level lazy loading also ensures that deferred loading of images still works even if JavaScript is disabled on the client. Today, Chrome already loads images at different priorities depending on where they’re located with respect to the device viewport.
When to use resize and orientationchange in lazy loading?
The resize and orientationChange events are equally important for lazy loading. The resize event occurs when the size of the browser window changes. The orientationChange event gets triggered when the device is rotated from landscape to portrait mode, or vice versa.
Do you need an external library for lazy loading?
With lazy-loading supported directly by the browser, however, there’s no need for an external library. Browser-level lazy loading also ensures that deferred loading of images still works even if JavaScript is disabled on the client.
How to know if your website is lazy loading?
You can also use ImageKit’s website analyzer to identify if your website uses lazy loading or not, in addition other critical image-related optimizations on your page. Lazy loading is critical not only for good performance, but also to deliver a good user experience.
How does the src attribute work in HTML?
For images loaded using the tag, the browser uses the src attribute of the tag to trigger the image load. Irrespective of whether it is the 1st or the 1000th image in your HTML and well off-screen, if the browser gets the src attribute, it would trigger the image load.
How to use lazy load in WordPress plugin?
The element must have the class rocket-lazyload, and a data-bg attribute, which value is the CSS url for the image. Before using this plugin my landing page was ranking poorly in PageSpeed Insights by Google. After using this plugin it went from 24% to 57% on mobile, and from 73% to 95% on desktop.