安全
服务器版本泄露
为何重要
Headers that reveal exact server or framework versions make it easier for attackers to find known vulnerabilities.
如何修复
- Hide version numbers in Server and X-Powered-By headers (for example ServerTokens Prod in Apache).
使用以下工具检查
- HTTP Headers Checker – View all HTTP response headers for a URL, with notes on the ones that matter for SEO.
评分：通过的检查获得全部权重，警告获得一半，错误则不得分。 SEO 评分如何运作