SEO Robots : Allow to index and follow website links
Download List of All Websites using SEO Robots : Allow to index and follow website links
Meta robots tag is a tag that tells search engines what to follow and what not to follow.
X-Frame-Options Header
Download List of All Websites using X-Frame-Options Header
The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.
schema.org micro-markup
Download List of All Websites using schema.org micro-markup
Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.
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Vary Header Accept-Encoding
Download List of All Websites using Vary Header Accept-Encoding
The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.
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Block Content Sniffing
Download List of All Websites using Block Content Sniffing
The X-Content-Type-Options response HTTP header is a marker used by the server to indicate that the MIME types advertised in the Content-Type headers should not be changed and be followed. This allows to opt-out of MIME type sniffing, or, in other words, it is a way to say that the webmasters knew what they were doing.
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XFN 1.1
Download List of All Websites using XFN 1.1
XFN is a technical term that is an acronym that stands for “XHTML Friends Network.” This is primarily used by websites that want to create a series of referral links between other websites in order to boost SEO ratings.