Title: Native Image Lazy Loading
Author: Justin Downey
Published: <strong>2019年5月21日</strong>
Last modified: 2019年5月21日

---

プラグインを検索

![](https://ps.w.org/native-image-lazy-loading/assets/banner-772x250.jpg?rev=2091890)

このプラグインは **WordPress の最新3回のメジャーリリースに対してテストされていま
せん**。もうメンテナンスやサポートがされていないかもしれず、最新バージョンの WordPress
で使用した場合は互換性の問題が発生する可能性があります。

![](https://ps.w.org/native-image-lazy-loading/assets/icon-256x256.jpg?rev=2091890)

# Native Image Lazy Loading

 作者: [Justin Downey](https://profiles.wordpress.org/jdm-labs/)

[ダウンロード](https://downloads.wordpress.org/plugin/native-image-lazy-loading.zip)

 * [詳細](https://ja.wordpress.org/plugins/native-image-lazy-loading/#description)
 * [レビュー](https://ja.wordpress.org/plugins/native-image-lazy-loading/#reviews)
 *  [インストール](https://ja.wordpress.org/plugins/native-image-lazy-loading/#installation)
 * [開発](https://ja.wordpress.org/plugins/native-image-lazy-loading/#developers)

 [サポート](https://wordpress.org/support/plugin/native-image-lazy-loading/)

## 説明

This plugin adds the `loading` attribute to IMG tags found when filtering `the_content()`
to support native image lazy loading.

For more information about lazy loading images using this new native browser image
attribute, check out this article: [https://addyosmani.com/blog/lazy-loading/](https://addyosmani.com/blog/lazy-loading/)
and for a little more depth into what we’re doing here, check out our [explainer post](https://jdmdig.it/30nXp7h).

Historically, to limit the impact offscreen images have on page load times, developers
have needed to use a JavaScript library (like [LazySizes](https://github.com/aFarkas/lazysizes)
or [Vanilla-LazyLoad](https://www.andreaverlicchi.eu/lazyload/)) in order to defer
fetching these images until a user scrolls near them. What if the browser could 
avoid loading these offscreen images for you?

The `loading` attribute instructs a browser to defer loading offscreen images until
users scroll near them. It comes in three flavors: **eager**, **auto**, and **lazy**.
Install this plugin and you can set the first image’s loading attribute and the 
loading attribute for all the subsequent images sent through `the_content()` in 
the plugin’s settings page.

**Simple is Beautiful**

There is no JavaScript or CSS included in the plugin. It just works in browsers 
that support the new `loading` image attribute.

For browsers that don’t support this new image loading attribute, that’s ok. You
can still use whatever JavaScript-based image lazy loader you want as a fallback
until browser support becomes a little more mainstream.

## スクリーンショット

 * [[
 * The Settings Page

## インストール

 1. Install **Native Image Lazy Loading** from the WordPress repo
 2. Activate the plugin through the **Plugins** menu
 3. Configure in **Settings** >> **Native Lazy Loading**
 4. **Marvel** at its simplicity

## FAQ

  Does this add any JS?

Nope. If you’re using another JS-based lazy loader, that’ll just keep working as
it did. If the browser doesn\’t support the `loading` attribute, it’ll just ignore
it and process per usual.

  Where is the Settings Page?

In version 1.0 there wan’t one, but thanks to a suggestion by [@verlok](https://github.com/verlok),
there IS one in v1.1. You’ll find it at **Settings** >> **Native Lazy Loading**.

## 評価

![](https://secure.gravatar.com/avatar/33874bf491bb77cce66d82be6dea6ea6e7906a491188aa01e217284304a478ca?
s=60&d=retro&r=g)

### 󠀁[Yes, but …](https://wordpress.org/support/topic/yes-but-4/)󠁿

 [deluigiluca](https://profiles.wordpress.org/deluigiluca/) 2019年10月26日

The great things are: – very light plugin with no commercial adv or whatsoever… –
Yes, it replaces <img with <img loading="lazy" But… – it replaced only 9 <img on
41 on my page … anyway, thanks for trying to do the web a better place!

 [ 1件のレビューをすべて表示 ](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/)

## 貢献者と開発者

Native Image Lazy Loading はオープンソースソフトウェアです。以下の人々がこのプラグ
インに貢献しています。

貢献者

 *   [ Justin Downey ](https://profiles.wordpress.org/jdm-labs/)

[“Native Image Lazy Loading” をあなたの言語に翻訳しましょう。](https://translate.wordpress.org/projects/wp-plugins/native-image-lazy-loading)

### 開発に興味がありますか ?

[コードを閲覧](https://plugins.trac.wordpress.org/browser/native-image-lazy-loading/)
するか、[SVN リポジトリ](https://plugins.svn.wordpress.org/native-image-lazy-loading/)
をチェックするか、[開発ログ](https://plugins.trac.wordpress.org/log/native-image-lazy-loading/)
を [RSS](https://plugins.trac.wordpress.org/log/native-image-lazy-loading/?limit=100&mode=stop_on_copy&format=rss)
で購読してみてください。

## 変更履歴

#### 1.1

 * Added Settings Page
 * Added Option to select the `loading=""` attribute

#### 1.0

 * First release.

## メタ

 *  バージョン **1.1**
 *  最終更新日 **7年前**
 *  有効インストール数 **20+**
 *  WordPress バージョン ** 4.5またはそれ以降 **
 *  検証済み最新バージョン: **5.2.24**
 *  PHP バージョン ** 5.1またはそれ以降 **
 *  言語
 * [English (US)](https://wordpress.org/plugins/native-image-lazy-loading/)
 * タグ
 * [images](https://ja.wordpress.org/plugins/tags/images/)[lazy load](https://ja.wordpress.org/plugins/tags/lazy-load/)
   [lazyload](https://ja.wordpress.org/plugins/tags/lazyload/)[loading](https://ja.wordpress.org/plugins/tags/loading/)
   [performance](https://ja.wordpress.org/plugins/tags/performance/)
 *  [詳細を表示](https://ja.wordpress.org/plugins/native-image-lazy-loading/advanced/)

## 評価

 5つ星中4つ星

 *  [  0 5-星レビュー     ](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/?filter=5)
 *  [  1 4-星レビュー     ](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/?filter=4)
 *  [  0 3-星レビュー     ](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/?filter=3)
 *  [  0 2-星レビュー     ](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/?filter=2)
 *  [  0 1-星レビュー     ](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/?filter=1)

[Your review](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/#new-post)

[すべてのレビューを見る](https://wordpress.org/support/plugin/native-image-lazy-loading/reviews/)

## 貢献者

 *   [ Justin Downey ](https://profiles.wordpress.org/jdm-labs/)

## サポート

意見や質問がありますか ?

 [サポートフォーラムを表示](https://wordpress.org/support/plugin/native-image-lazy-loading/)