X 搜索引擎优化术语
X-Robots-Tag
An HTTP response header used to control indexing and crawling directives.
定义
The X-Robots-Tag is an HTTP header that tells search engines how to index or crawl a page or resource. It is often used for PDFs, images, or non-HTML files and can specify directives such as noindex, nofollow, or nosnippet.
为什么它对 SEO 很重要
了解 x-robots-tag 对于任何有效的 SEO 策略都至关重要。如果不掌握这个概念，就很难就如何提高网站的搜索可见性和自然流量做出明智的决定。