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BJ Lazy Load

BJ Lazy Load

Lazy loading for images and iframes makes your site load faster and saves bandwidth. Uses no external JS libraries and degrades gracefully for non-js …
Rating:
4.2
star-rating-1star-rating-2star-rating-3star-rating-4star-rating-5
Active Installations:
30000+
Last Updated:
Nov 28, 2017
WordPress Version:
3.5 or higher
Tested up to:
4.9.26

Faster loading, less bandwidth

Lazy loading optimizes your site's loading speed by replacing images and content with a placeholder and loading them only when they are close to entering the browser window. This saves bandwidth and makes your site load faster.

Seamless video embedding

Lazy loading supports embedded videos from YouTube, Vimeo, and other platforms. This ensures that your site's videos load smoothly and efficiently, providing a seamless viewing experience for your visitors.

Customizable lazy loading

You can easily extend lazy loading to include other images and iframes in your theme by using a simple filter. This allows you to customize the lazy loading functionality to suit your specific needs and optimize the performance of your site.

Version 1.0.9

  • Do not generate tiny image size if unless low-res preview image is used
  • Default placeholder image transparency fix
  • Lazy load image sizes attribute to avoid w3c validation error
  • Change activation order of src and srcset to avoid loading both original and responsive version of image (by Lucian Florian)

Version 1.0.8

  • Skip classes regex fix
  • Amp compatibility (by mustafauysal)

Version 1.0.7

  • Update sponsored by Bonnier Tidskrifter
  • Fixed issue with srcset not lazy loading (by krispy1298)
  • Compatibility with BadgeOS plugin (by rohitmanglik)
  • WP’s theme style for submit button. (by odie2)
  • Images will now get the lazy-loaded class onload
  • Added optional rudimentary LQIP solution
  • Added working regex for selecting elements to skip

Version 1.0.6

  • Fixed bug when multiple iframes was on the same line of HTML code

Version 1.0.5

  • Added Polish language (by Maciej Gryniuk).
  • Remove leftover console.log() from debugging — oh, crap … I know 🙁

Version 1.0.4

  • We do not touch the feeds

Version 1.0.3

  • Fixed issue where some images wouldn’t be loaded on load under certain conditions.
  • Small performance improvement

Version 1.0.2

  • PHP 5.2 compatibility again

Version 1.0.1

  • Fixes issue with missing placeholder

Version 1.0

  • Internal rewrite. Code cleanup.
  • Supports 3rd party filters
  • Supports most infinite scroll (or content lazy loading) plugins (all that triggers post-load)
  • No more TimThumb
  • No more dependant on 3rd party JS, not even jQuery
  • Removed custom responsice/hidpi image handling in favour of compatibility with the RICG Responsive Images plugin
  • Added translations to Hebrew (he_IL) by Imri Sagive

Version 0.7.5

  • Also applies to text widgets (Thanks to Sigurður Guðbrandsson)

Version 0.7.4

  • Skips lazy loading of data-URIs

Version 0.7.3

  • Works with newlines in the HTML string for the IMG element

Version 0.7.2

  • Re-minified the combined js file for better compability with faulty minifiers

Version 0.7.1

  • Proper encoding of non-ASCII characters in filenames when using responsive or hiDPI images (thanks @testsiteoop)

Version 0.7.0

  • Added meta box to all public post types to exclude BJ Lazy Load for individual posts/pages
  • Placeholder image is replaced with a really short data-uri (thanks @jruizcantero)
  • Added a proper WordPress filter method for arbitrary HTML filtering with: apply_filters( ‘bj_lazy_load_html’, $html )
  • Updated scbFramework to release 58 (no more strict warnings in admin)
  • Updated jQuery.sonar to latest version (as of 2013-11-13)
  • Added POT file (Go translate!)
  • Added translation to Norwegian Bokmål (nb_NO)
  • Added translation to Russian (ru_RU) by Elvisrk

Version 0.6.10

  • Responsive and HiDPI images works with MultiSite subfolders
  • Lazy loading is disabled on Opera Mini
  • Removed leftin print_filters_for() function (sry)
  • User definable threshold

Version 0.6.9

  • Bugfix: Single quotes for the class attribute is now handled (thanks @kReEsTaL)
  • Bugfix: Removed strict error notice (thanks syndrael)

Version 0.6.8

  • Bugfix: sonar.js wouldn’t load properly when SCRIPT_DEBUG was set to true (thanks @techawakening)

Version 0.6.7

  • Combined JS files for faster loading
  • Bugfix for when viewport is resized – now triggering scroll event (thanks @kReEsTaL)

Version 0.6.6

  • Option to disable BJ Lazy Load for MobilePress

Version 0.6.5

  • Iframe lazy loading is now compatible with Gravity Forms’ ajax forms.

Version 0.6.4

  • Disable when viewing printable page from WP-Print

Version 0.6.3

  • Detects WPTouch Pro as well

Version 0.6.2

  • Bugfix: Remove notice of undefined constant when SCRIPT_DEBUG isn’t defined

Version 0.6.1

  • Bugfix: The infinite_scroll option wasn’t initialized

Version 0.6.0

  • Optionally serving size optimized images for responsive design/adaptive layout
  • Optionally serving hiDPI images (retina support)
  • Option to disable BJ Lazy Load for WPTouch
  • Fixed issue with infinite scroll (must be enabled on options screen)
  • Upgraded jQuery.sonar to latest version

Version 0.5.4

  • Possible to skip lazy loading of certain images with specified classnames
  • Made the placeholder image override an option setting in wp-admin

Version 0.5.3

  • Added filter: bj_lazy_load_placeholder_url – override placeholder image (should be an option setting in the future)

Version 0.5.2

  • Added the fadeIn effect

Version 0.5.1

  • Lowered jQuery version dependency
  • New options: More granular control on what content to lazy load

Version 0.5.0

  • Complete rewrite
  • Replaced JAIL with jQuery.sonar to accomodate for iframe lazy loading
  • Added lazy loading for iframes
  • The manual filter code now works as it should, lazy loading all images instead of just the first.

Version 0.4.0

  • Upgraded JAIL to version 0.9.9, fixing some bugs. Note: data-href is now renamed data-src.

Version 0.3.3

  • Replaced an anonymous function call causing error in PHP < 5.3

Version 0.3.2

  • The wp_head caller selector was added to the option page

Version 0.3.1

  • Also with d.sturm’s fix (thanks)

Version 0.3.0

  • Added BJLL::filter() so you can lazy load any images in your theme
  • Added the option to load in wp_head() instead (suboptimal, but some themes actually don’t call wp_footer())
  • Correctly removed the lazy loader from feeds

Version 0.2.5

  • Fixes Unicode-issue with filenames

Version 0.2.4

  • Now (more) compliant to the WP coding style guidelines.
  • All strings localized
  • Translations get loaded
  • POT file included (send me your translations)
  • Norwegian translation included

Version 0.2.3

  • Now using DOMDocument for better HTML parsing. Old regexp parsing as fallback if DOMDocument is not available.

Version 0.2.2

  • Added CSS. No longer need for hiding .no-js .lazy
  • Added options whether to include JS and CSS or not

Version 0.2.1

  • Added options: Timeout, effect, speed, event, offset, ignoreHiddenImages
  • Combining the two JS files for faster loading
  • Renamed the plugin file from bj-lazyload.php to bj-lazy-load.php to better fit with the plugin name

Version 0.2

  • Added options panel in admin
  • Added option to lazy load post thumbnails
  • Skipped the lazy loading in feeds

Version 0.1

  • Released 2011-12-05
  • It works (or at least it does for me)

Great Plugin

By Royo Machinery USA (royomachinery) on November 21, 2023

Doing exactly what I want.

Still working

By dvazquez260376 on December 23, 2020

This plugins works great. For me is the best lazy load. Would be great to have a recent update.

Хороший, но старый

By xeon84 on April 20, 2020

Часто использую на сайтах клиентов. Работает всё четко, но есть опасения, что присутствуют дыры. Вердикт: если WP старый и новый плагин не работает - использовать этот!

Speed test is GRADE A with this plugin - Must Read!

By Tony Fitzpatrick80 (adambrown82) on April 17, 2020

Here is my speed test with GTmetrix. "With plugin" PageSpeed Score (94%) YSlow Score (86%) Fully Loaded Time 1.3s Total Page Size 881KB Requests 18 "Without plugin" PageSpeed Score (51%) YSlow Score (85%) Fully Loaded Time 3.5s Total Page Size 2.23MB Requests 38. My suggestion would be to set the threshold from 200 to 300 now my site is not only far faster but also loads correctly. I also use plugins like... Far Future Expiration Plugin Fast Velocity Minify Webcraftic Clearfy – WordPress optimization plugin To get my speeds this high. The only thing I would suggest is an update from the developer so its inline with the latest WordPress. However, on my latest WordPress, my website still seems faultless with this outdated plugin.

A Good Plugin

By Eric Farmer (androidgamingfox) on November 23, 2019

I downloaded this plugin because I wanted my images to load better for my blog readers. It works great, and once setup, I can just let it do its thing.

Great plugin

By Lalit Nagrath (laliz) on July 31, 2019

Got my requests down from 130 to 44, great plugin, hope they keep this updated to latest version of wordpress

Conflicts with FooGallery

By redkite on March 7, 2019

BJ Lazy Load has a conflict with FooGallery and will not skip classes as it's supposed to. Replaced with A3 Lazy Load which works fine with FooGallery.

Хороший плагин

By sergeyua12 on March 4, 2019

Маленький, но удаленький плагин! Спасибо!

It works :)

By Radosław (cyberskill) on January 23, 2019

Google speed test showed suggestions to delay loading images. I installed this plugin and it worked for 99% of images on my site. Only 1 left on the home page but it's the fault of my template.

Funciona muy bien

By Jaime Rojas on January 18, 2019

El rendimiento de PageSpeed Insights mejora de 75 a 92. Seria una lastima si no lo sigue manteniendo. Gracias
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