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Lazy Load

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Lazy Load

by Automattic

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Description

Lazy load images to improve page load times. Uses jQuery.sonar to only load an image when it’s visible in the viewport.

This plugin is an amalgamation of code written by the WordPress.com VIP team at Automattic, the TechCrunch 2011 Redesign team, and Jake Goldman (10up LLC).

Uses jQuery.sonar by Dave Artz (AOL).

  1. Upload the plugin to your plugins directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Enjoy!
How do I change the placeholder image

add_filter( ‘lazyload_images_placeholder_image’, ‘my_custom_lazyload_placeholder_image’ );
function my_custom_lazyload_placeholder_image( $image ) {
return ‘http://url/to/image’;
}

How do I lazy load other images in my theme?

You can use the lazyload_images_add_placeholders helper function:

if ( function_exists( 'lazyload_images_add_placeholders' ) )
    $content = lazyload_images_add_placeholders( $content );

Or, you can add an attribute called “data-lazy-src” with the source of the image URL and set the actual image URL to a transparent 1×1 pixel.

You can also use output buffering, though this isn’t recommended:

if ( function_exists( 'lazyload_images_add_placeholders' ) )
    ob_start( 'lazyload_images_add_placeholders' );

This will lazy load all your images.

Remove it ASAP

By radioparanormalium on April 29, 2023

Having this plugin installed on my WordPress pages for some time resulted in having them all malware-infected which happened literally yesterday. The plugin had its name changed to some 'WordPress CMS module' and its directory name was changed as well.

Conflict with Jupiter theme

By gunterqb on November 18, 2019

It produces random grayed out pictures within Jupiter theme image galleries. The galleries work like charm after disabling this bundled plugin.

Did not work

By Tom (Thommen) on July 26, 2019

For me, this plug does not work

Can't tell if it's working

By highprrrr on March 20, 2019

I hate plugins that don't have any sort of settings or anything. I can't tell if it's actually doing anything. How can I check?

Lazy loads some, not all

By Naoise Golden Santos (ngolden) on February 10, 2019

Seems to work for some images but not for all, with no real explanation about why. There are no configuration options so I couldn't find a way to fine-tune it.

messed up website

By arjanvr on November 1, 2018

The idea might be good but its messing up the entire websites, mostly on different sliders.

Super fast and light

By joshhouser on October 1, 2018

Worked right away, no setup work needed. The plugin is less than 10KB, makes my gallery blog way faster, loads reverse up when using TOC anchors (big plus), keeps DOM elements as IMGs, and has a good display. Exceeded all expectations! This is my new go to plugin.

Awesome Lazy Load

By Daniel Albert Yap (adaeventsasia) on January 7, 2018

Great plugin. Worked instantly after installation. Simply awesome!

Very Good

By ganesh79 on June 3, 2017

After 3 month of usage i can say that it is a good plugin and also i can give my rating as 5 stars. It will make your website load faster.

Not working with JIG

By JackTheKnife (scyzor) on April 30, 2017

There is no effect on Justified Image Grid galleries

0.6.1

0.6

  • Filter to control when lazy loading is enabled

0.5

  • Fix lazyload_images_add_placeholders by adding missing return, props Kevin Smith
  • Lazy load avatars, props i8ramin
  • Don’t lazy load images in the Dashboard
  • Better compatibility with Jetpack Carousel

0.4

  • New helper function to lazy load non-post content
  • Prevent circular lazy-loading

0.3

  • Make LazyLoad a static class so that it’s easier to change its hooks
  • Hook in at a higher priority for content filters

0.2

  • Adds noscript tags to allow the image to show up in no-js contexts (including crawlers), props smub
  • Lazy Load post thumbnails, props ivancamilov

0.1

  • Initial working version
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