全域外贸流程及站外SEO优化指南：外链建设与网络推广
站外SEO是什么？ | What is Off-Page SEO?
站外SEO即通过网站外部进行优化的手段，核心在于外链建设。百度百科定义：外链指从其他网站导入自己网站的链接，其质量直接影响网站在搜索引擎中的权重。
Off-page SEO refers to optimization techniques implemented outside your website, primarily focusing on link building. According to Baidu Encyclopedia: "Backlinks are links from other websites pointing to yours", their quality directly impacts your site's search engine ranking.
外链分类 | Link Types
- 导入链接/外链 Inbound Links
- 导出链接 Outbound Links
- 反向链接 Backlinks
- 友情链接 Reciprocal Links (A↔B)
- 单向链接 One-way Links (A→B)
- 高价值链接 High-authority Links
外链建设原则 | Link Building Principles
核心原则：自然增长 | Core Principle: Natural Growth
- 保持稳定增加频率 Maintain steady growth pace
- 单页面外链数<50个 Links per page <50
- 优先获取高权重相关外链 Prioritize high-authority relevant links
- 使用关键词锚文本 Use keyword-rich anchor texts
- 避免垃圾链接 Avoid spammy links
寻找外链的4种方法 | 4 Ways to Find Quality Links
1. QQ群链接交换 QQ Groups
2. 专业平台（如GO9GO）Link exchange platforms
3. 分析竞争对手外链 Analyze competitors' backlinks
4. 行业论坛/博客留言 Industry forums/blog comments
实操案例：外贸网站外链建设 | Case Study: Link Building for Foreign Trade Sites
模板示例 Template Example：
"您好，我们是[公司名]的SEO负责人，注意到贵站内容与我们的[产品/服务]高度相关，希望能交换友情链接..."
"Hello, we're from [Company] SEO team. Noticing your content aligns well with our [product/service], we'd like to discuss link exchange..."
网络推广形式 | Online Promotion Methods
• B2B平台推广 B2B platform marketing
• 行业论坛营销 Industry forum marketing
• 博客留言推广 Blog comment promotion
• 社交媒体营销 Social media marketing
• 谷歌广告（费用较高）Google Ads (higher cost)
关键提示： 优质外链建设需要3-6个月见效，曾帮助.cn二级域名企业站实现15个关键词一月内上百度首页。
Pro Tip: Quality link building takes 3-6 months to show results. Successfully ranked 15 keywords on Baidu 1st page within a month for .cn subdomain sites.
