diff --git a/README.md b/README.md
index 6428d4b..f9f476a 100644
--- a/README.md
+++ b/README.md
@@ -24,12 +24,14 @@ summaly(url[, opts])
 ```
 
 ### Options
+
 | Property            | Type                   | Description              | Default |
 | :------------------ | :--------------------- | :----------------------- | :------ |
 | **followRedirects** | *boolean*              | Whether follow redirects | `true`  |
 | **plugins**         | *plugin[]* (see below) | Custom plugins           | `null`  |
 
 #### Plugin
+
 ``` typescript
 interface IPlugin {
 	test: (url: URL.Url) => boolean;
@@ -38,19 +40,31 @@ interface IPlugin {
 ```
 
 ### Returns
+
 A Promise of an Object that contains properties below:
 
+#### Root
+
 | Property        | Type     | Description                              |
 | :-------------- | :------- | :--------------------------------------- |
 | **description** | *string* | The description of the web page          |
 | **icon**        | *string* | The url of the icon of the web page      |
 | **sitename**    | *string* | The name of the web site                 |
 | **thumbnail**   | *string* | The url of the thumbnail of the web page |
-| **player**      | *string* | The url of the player of the web page    |
+| **player**      | *Player* | The player of the web page               |
 | **title**       | *string* | The title of the web page                |
 | **url**         | *string* | The url of the web page                  |
 
+#### Player
+
+| Property        | Type     | Description                              |
+| :-------------- | :------- | :--------------------------------------- |
+| **url**         | *string* | The url of the player                    |
+| **width**       | *number* | The width of the player                  |
+| **height**      | *number* | The height of the player                 |
+
 ### Example
+
 ``` javascript
 import summaly from 'summaly';
 
@@ -63,7 +77,11 @@ console.log(summary); // will be ... ↓
 	icon: 'http://livedoor.blogimg.jp/tmg24news/imgs/9/5/favicon.ico',
 	description: '1：以下、名無しにかわりましてVIPがお送りします：2013/03/30(土) 14:57:29.09 ID:An34eOmY0モバＰ「反論が あるやつもいるかもしれない」    モバＰ「だが俺の主張も聞いてほしい！　お漏らしさせるならありすが一番だ！」    日菜子「むふふ……いきなりそんなことを大声で',
 	thumbnail: 'http://livedoor.blogimg.jp/tmg24news/imgs/8/d/8df6e1a0-s.jpg',
-	player: null
+	player: {
+		url: null,
+		width: null,
+		height: null
+	}
 	sitename: 'エレファント速報：SSまとめブログ',
 	url: 'http://elephant.2chblog.jp/archives/52025138.html'
 }
diff --git a/src/general.ts b/src/general.ts
index caa1de3..ec2c2ad 100644
--- a/src/general.ts
+++ b/src/general.ts
@@ -1,3 +1,4 @@
+import { name, version } from '../package.json';
 import * as URL from 'url';
 import * as request from 'request';
 import nullOrEmpty from './utils/null-or-empty';
@@ -8,6 +9,9 @@ import { AllHtmlEntities } from 'html-entities';
 const entities = new AllHtmlEntities();
 
 import * as client from 'cheerio-httpcli';
+client.set('headers', {
+  'User-Agent': `${name}/${version}`
+});
 client.set('referer', false);
 client.set('timeout', 10000);
 client.set('maxDataSize', 1024 * 1024);
@@ -50,10 +54,18 @@ export default async (url: URL.Url): Promise<Summary> => {
 
 	image = image ? URL.resolve(url.href, image) : null;
 
-	const player =
+	const playerUrl =
 		$('meta[property="twitter:player"]').attr('content') ||
 		$('meta[name="twitter:player"]').attr('content');
 
+	const playerWidth = parseInt(
+		$('meta[property="twitter:player:width"]').attr('content') ||
+		$('meta[name="twitter:player:width"]').attr('content'));
+
+	const playerHeight = parseInt(
+		$('meta[property="twitter:player:height"]').attr('content') ||
+		$('meta[name="twitter:player:height"]').attr('content'));
+
 	let description =
 		$('meta[property="og:description"]').attr('content') ||
 		$('meta[property="twitter:description"]').attr('content') ||
@@ -123,7 +135,11 @@ export default async (url: URL.Url): Promise<Summary> => {
 		icon: icon || null,
 		description: description || null,
 		thumbnail: image || null,
-		player: player || null,
+		player: {
+			url: playerUrl || null,
+			width: playerWidth || null,
+			height: playerHeight || null
+		},
 		sitename: siteName || null
 	};
 };
diff --git a/src/package.json.d.ts b/src/package.json.d.ts
new file mode 100644
index 0000000..7a3ac8e
--- /dev/null
+++ b/src/package.json.d.ts
@@ -0,0 +1,4 @@
+declare module '*/package.json' {
+  export const name: string;
+  export const version: string;
+}
diff --git a/src/plugins/amazon.ts b/src/plugins/amazon.ts
index 39d8db8..cdaf894 100644
--- a/src/plugins/amazon.ts
+++ b/src/plugins/amazon.ts
@@ -1,7 +1,11 @@
+import { name, version } from '../../package.json';
 import * as URL from 'url';
 import * as client from 'cheerio-httpcli';
 import summary from '../summary';
 
+client.set('headers', {
+  'User-Agent': `${name}/${version}`
+});
 client.set('referer', false);
 client.set('timeout', 10000);
 
@@ -34,12 +38,28 @@ export async function summarize(url: URL.Url): Promise<summary> {
 
 	const thumbnail: string = $('#landingImage').attr('src');
 
+	const playerUrl =
+		$('meta[property="twitter:player"]').attr('content') ||
+		$('meta[name="twitter:player"]').attr('content');
+
+	const playerWidth = parseInt(
+		$('meta[property="twitter:player:width"]').attr('content') ||
+		$('meta[name="twitter:player:width"]').attr('content'));
+
+	const playerHeight = parseInt(
+		$('meta[property="twitter:player:height"]').attr('content') ||
+		$('meta[name="twitter:player:height"]').attr('content'));
+
 	return {
 		title: title || null,
 		icon: 'https://www.amazon.com/favicon.ico',
 		description: description || null,
 		thumbnail: thumbnail || null,
-		player: null,
+		player: {
+			url: playerUrl || null,
+			width: playerWidth || null,
+			height: playerHeight || null
+		},
 		sitename: 'Amazon'
 	};
 }
diff --git a/src/plugins/wikipedia.ts b/src/plugins/wikipedia.ts
index 7ccd56e..c24a5e4 100644
--- a/src/plugins/wikipedia.ts
+++ b/src/plugins/wikipedia.ts
@@ -34,7 +34,11 @@ export async function summarize(url: URL.Url): Promise<summary> {
 		icon: 'https://wikipedia.org/static/favicon/wikipedia.ico',
 		description: clip(info.extract, 300),
 		thumbnail: `https://wikipedia.org/static/images/project-logos/${lang}wiki.png`,
-		player: null,
+		player: {
+			url: null,
+			width: null,
+			height: null
+		},
 		sitename: 'Wikipedia'
 	};
 }
diff --git a/src/summary.ts b/src/summary.ts
index 2a2cb87..0eec20e 100644
--- a/src/summary.ts
+++ b/src/summary.ts
@@ -20,9 +20,9 @@ type Summary = {
 	thumbnail: string;
 
 	/**
-	 * The url of the player of that web page
+	 * The player of that web page
 	 */
-	player: string;
+	player: Player;
 
 	/**
 	 * The title of that web page
@@ -31,3 +31,20 @@ type Summary = {
 };
 
 export default Summary;
+
+export type Player = {
+	/**
+	 * The url of the player
+	 */
+	url: string;
+
+	/**
+	 * The width of the player
+	 */
+	width: number;
+
+	/**
+	 * The height of the player
+	 */
+	height: number;
+};