Title: Placeholders
Author: Jake Spurlock
Published: <strong>2025年12月1日</strong>
Last modified: 2025年12月1日

---

プラグインを検索

![](https://ps.w.org/placeholders/assets/banner-772x250.png?rev=3406990)

![](https://ps.w.org/placeholders/assets/icon.svg?rev=3406979)

# Placeholders

 作者: [Jake Spurlock](https://profiles.wordpress.org/whyisjake/)

[ダウンロード](https://downloads.wordpress.org/plugin/placeholders.1.0.2.zip)

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

 [サポート](https://wordpress.org/support/plugin/placeholders/)

## 説明

Placeholders adds 14 customizable Gutenberg blocks for standard advertising sizes.
Perfect for wireframing, prototyping, or reserving space for future ad placements
in your WordPress site.

**Features:**

 * 14 standard IAB ad sizes
 * Customizable background and text colors
 * Support for wide and full alignment
 * Responsive design
 * Clean, minimal styling
 * Shows dimensions and ad name
 * Grouped in dedicated “Placeholders” category

**Available Block Sizes:**

 * Leaderboard – 728×90px
 * Medium Rectangle – 300×250px
 * Wide Skyscraper – 160×600px
 * Mobile Banner – 320×50px
 * Billboard – 970×250px
 * Large Rectangle – 336×280px
 * Half Page – 300×600px
 * Small Square – 200×200px
 * Square – 250×250px
 * Small Rectangle – 180×150px
 * Vertical Rectangle – 240×400px
 * Large Leaderboard – 970×90px
 * Portrait – 300×1050px
 * Netboard – 580×400px

## インストール

 1. Upload the plugin files to the `/wp-content/plugins/placeholders` directory, or
    install the plugin through the WordPress plugins screen directly.
 2. Activate the plugin through the ‘Plugins’ screen in WordPress.
 3. In the block editor, search for any ad size (e.g., “Leaderboard”) in the inserter.
 4. The blocks will appear in the “Placeholders” category.

## FAQ

### How do I use these blocks?

 1. Open any post or page in the block editor
 2. Click the ‘+’ button to add a new block
 3. Search for an ad size (e.g., “leaderboard”, “medium rectangle”)
 4. Insert the block and customize colors using the block settings panel

### Can I customize the colors?

Yes! Each block supports background and text color customization through the block
settings panel.

### Can these blocks be used for actual ads?

These blocks are designed as placeholders for wireframing and layout design. For
actual ad serving, you would need to use an ad management plugin or service.

### Are these blocks responsive?

Yes, the blocks are responsive and work well on different screen sizes. You can 
also use the alignment options (wide/full) to control their display.

## 評価

このプラグインにはレビューがありません。

## 貢献者と開発者

Placeholders 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

 *   [ Jake Spurlock ](https://profiles.wordpress.org/whyisjake/)

[“Placeholders” をあなたの言語に翻訳しましょう。](https://translate.wordpress.org/projects/wp-plugins/placeholders)

### 開発に興味がありますか ?

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

## 変更履歴

#### 1.0.2

 * Fix asset generation script to use rsvg-convert for proper gradient rendering
 * Regenerate icons and banners with correct gradient colors

#### 1.0.1

 * Add WordPress.org plugin assets (icons and banners)
 * WordPress.org approved release

#### 1.0.0

 * Initial release
 * 14 ad placeholder blocks
 * Color customization support
 * Alignment support
 * Custom “Placeholders” block category

## メタ

 *  バージョン **1.0.2**
 *  最終更新日 **4か月前**
 *  有効インストール数 **10未満**
 *  WordPress バージョン ** 6.0またはそれ以降 **
 *  検証済み最新バージョン: **6.8.5**
 *  PHP バージョン ** 7.4またはそれ以降 **
 *  言語
 * [English (US)](https://wordpress.org/plugins/placeholders/)
 * タグ
 * [ads](https://ja.wordpress.org/plugins/tags/ads/)[blocks](https://ja.wordpress.org/plugins/tags/blocks/)
   [gutenberg](https://ja.wordpress.org/plugins/tags/gutenberg/)[placeholder](https://ja.wordpress.org/plugins/tags/placeholder/)
   [wireframe](https://ja.wordpress.org/plugins/tags/wireframe/)
 *  [詳細を表示](https://ja.wordpress.org/plugins/placeholders/advanced/)

## 評価

レビューはまだ送信されていません。

[Your review](https://wordpress.org/support/plugin/placeholders/reviews/#new-post)

[すべてのレビューを見る](https://wordpress.org/support/plugin/placeholders/reviews/)

## 貢献者

 *   [ Jake Spurlock ](https://profiles.wordpress.org/whyisjake/)

## 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/placeholders/)