高效长尾关键词生成助手

```json
{
  "keywords": [
    "SEO优化方法",
    "SEO优化技巧",
    "SEO优化工具",
    "SEO优化策略",
    "SEO优化入门",
    "SEO优化教程",
    "SEO优化案例",
    "SEO优化步骤",
    "如何进行SEO优化",
    "SEO优化的重要性",
    "SEO优化新手指南",
    "SEO优化排名提升技巧",
    "SEO优化网站结构",
    "SEO优化关键词研究",
    "SEO优化内容策略",
    "SEO优化流量提升",
    "SEO优化需要注意的问题",
    "快速SEO优化策略",
    "SEO优化趋势分析",
    "SEO优化外链建设"
  ],
  "competitionLevels": [
    0.3,
    0.4,
    0.2,
    0.5,
    0.3,
    0.4,
    0.2,
    0.3,
    0.6,
    0.3,
    0.4,
    0.5,
    0.4,
    0.3,
    0.4,
    0.5,
    0.3,
    0.2,
    0.4,
    0.3
  ]
}
```

```json
{
  "keywords": [
    "website traffic tips",
    "how to increase website traffic",
    "website traffic growth strategies",
    "best tools for website traffic",
    "website traffic for beginners",
    "website traffic optimization",
    "ways to boost website traffic",
    "low-cost website traffic strategies",
    "how to track website traffic",
    "website traffic analytics tools",
    "organic website traffic guide",
    "paid website traffic methods",
    "how to drive traffic to your website",
    "generate website traffic fast",
    "improve website traffic ranking"
  ],
  "competitionLevels": [0.45, 0.39, 0.52, 0.47, 0.34, 0.49, 0.37, 0.33, 0.43, 0.46, 0.31, 0.55, 0.41, 0.38, 0.48]
}
```

{
  "keywords": ["内容创作者工具", "内容创作者资源", "内容创作者学习", "内容创作者收入", "内容创作者平台", "内容创作者技能提升", "内容创作者社区", "内容创作者推荐", "内容创作者培训课程", "内容创作者日常工作", "内容创作者的未来趋势", "内容创作者与AI", "内容创作者的赚钱方式", "内容创作者如何开始", "内容创作者入门指南", "内容创作软件推荐", "内容创作者写作技巧", "内容创作者品牌塑造", "内容创作者视频教程", "新手内容创作者指南"],
  "competitionLevels": [0.35, 0.40, 0.30, 0.50, 0.55, 0.45, 0.25, 0.20, 0.40, 0.30, 0.60, 0.50, 0.48, 0.28, 0.33, 0.47, 0.38, 0.42, 0.45, 0.36]
}