WordPress网站只显示首页的全面解决方案
问题现象/Problem Symptoms:
1. 点击任何链接都只能打开首页/All links only lead to homepage
2. 地址栏URL变化但内容不变/URL changes but content remains homepage
3. 数据库检查正常/Database appears normal
4. 发布文章出现"非法JSON响应"/"This response is not a valid JSON response" when publishing
5. 网站健康检测显示REST API错误/Site Health shows REST API error
解决方案/Solutions:
1. 检查伪静态设置/Check permalink settings - 通过FTP更新.htaccess文件/Update .htaccess via FTP
2. 停用插件/Disable plugins & 升级PHP版本/Upgrade PHP version (推荐7.4+/recommend 7.4+)
3. 备份网站数据/Backup all website data
4. 重装WordPress核心文件/Reinstall WordPress core files - 保持现有设置不变/Preserves all settings
问题反思/Post-Solution Analysis:
1. REST API错误消失/REST API error resolved
2. .htaccess文件被正确覆盖/.htaccess properly overwritten
3. 网站设置和设计保持不变/Site settings and designs preserved
4. 类似重装操作系统的效果/Similar to OS reinstallation effect
SEO优化建议/SEO Recommendations:
1. 定期检查网站健康状态/Regularly check site health
2. 保持WordPress核心文件更新/Keep WordPress core updated
3. 使用缓存插件优化性能/Use caching plugins for performance
4. 监控404错误页面/Monitor 404 error pages
