CrawlForge
基础工具1 credit

extract_metadata

提取全面的页面元数据，包括标题、描述、OpenGraph 标签、Twitter Card 数据和 SEO 信息。

使用场景

SEO 分析

分析页面标题、描述和关键词以进行优化

社交媒体预览数据

获取 OpenGraph 和 Twitter Card 数据，用于丰富的社交预览

内容分类

使用元数据对网页内容进行分类和整理

生成链接预览

用标题、图片和描述构建丰富的链接预览

Endpoint

POST/api/v1/tools/extract_metadata
Auth Required
Free 计划 2 req/s
1 credit

Parameters

NameTypeRequiredDefaultDescription
url
stringRequired-
要从中提取元数据的 URL
Example: https://example.com/article

请求示例

cURL

terminalBash
curl -X POST https://crawlforge.dev/api/v1/tools/extract_metadata \
  -H "X-API-Key: cf_test_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com/article"}'

TypeScript

extractMetadata.tsTypescript
const response = await fetch('https://crawlforge.dev/api/v1/tools/extract_metadata', {
  method: 'POST',
  headers: {
    'X-API-Key': process.env.CRAWLFORGE_API_KEY!,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    url: 'https://example.com/article'
  }),
});

const data = await response.json();

if (data.success) {
  const { title, description, og, twitter } = data.data;
  console.log('Title:', title);
  console.log('Description:', description);
  console.log('OG Image:', og.image);
  console.log('Twitter Card:', twitter.card);
}

响应示例

200 OK195ms
{
  "success": true,
  "data": {
    "url": "https://example.com/article",
    "title": "Example Article - Best Practices Guide",
    "description": "Learn the best practices for web development in 2024",
    "keywords": "web development, best practices, tutorial",
    "language": "en",
    "canonical": "https://example.com/article",
    "og": {
      "title": "Example Article - Best Practices Guide",
      "description": "Learn the best practices for web development",
      "image": "https://example.com/og-image.jpg",
      "url": "https://example.com/article",
      "type": "article",
      "site_name": "Example Site"
    },
    "twitter": {
      "images": [
        "/api/og"
      ],
      "card": "summary_large_image",
      "title": "Example Article - Best Practices Guide",
      "description": "Learn the best practices for web development",
      "image": "https://example.com/twitter-image.jpg",
      "site": "@examplesite"
    }
  },
  "credits_used": 1,
  "credits_remaining": 999,
  "processing_time": 195
}
Field Descriptions
data.title来自 <title> 标签的页面标题
data.descriptionmeta 描述
data.og用于社交媒体分享的 OpenGraph 标签
data.twitter用于 Twitter 预览的 Twitter Card 标签
data.canonical页面的规范 URL

相关工具

fetch_url
在提取元数据前抓取页面（1 credit）
content_analysis
分析内容质量和 SEO（4 credits）
准备好提取元数据了吗？免费注册，获取 1,000 credits。