重定向链
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重定向链是指一个URL重定向到第二个URL,第二个又重定向到第三个(或更多),才到达最终目标的情况。链中的每一跳都会引入额外延迟并造成[[link-equity|链接权重]]的递增损失。搜索引擎会跟随重定向链,但更倾向于单跳[[301-redirect|301重定向]]。重定向链在[[domain-migration|域名迁移]]、网站改版或未经清理就堆叠旧重定向规则时很常见。最佳实践是审计并将所有链压缩为单个直接重定向。
示例
old-domain.com → temp-brand.com → new-brand.com forms a two-hop chain. Collapsing it to a direct old-domain.com → new-brand.com 301 redirect preserves more link equity and loads faster.