网站死链产生的8大原因，从源头规避问题

一路长虹

死链产生大多源于人为操作失误，提前了解成因，可从源头规避，减少后期清理工作量。第一，文章随意删除，未做跳转形成死链；第二，修改URL路径，未设置301跳转；第三，服务器迁移、数据备份还原，导致链接错乱；第四，图片、素材文件删除，造成资源死链；第五，插件故障、代码错误，页面无法访问；第六，栏目批量删除，衍生大量无效链接；第七，采集重复链接，留存无效死链；第八，域名解析异常，临时访问失效。规避方法：删除页面必须提前跳转，修改链接做好重定向，定期备份数据，不乱删除栏目素材。每月扫描死链，及时修复清理。从源头管控，减少死链生成，保持网站链接干净整洁。
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