Vary Header Accept-Encoding
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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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Vary Header check for cookies
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The Vary HTTP response header determines how to match future request headers to decide whether a cached response can be used rather than requesting a fresh one from the origin server. It is used by the server to indicate which headers it used when selecting a representation of a resource in a content negotiation algorithm.
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Must Revalidate HTTP Cache-Control
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Indicates that once a resource has become stale (e.g. max-age has expired), a cache must not use the response to satisfy subsequent requests for this resource without successful validation on the origin server.
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Public Cache-Control
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Indicates that the response may be cached by any cache, even if the response would normally be non-cacheable (e.g. if the response does not contain a max-age directive or the Expires header).
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Proxy Revalidate HTTP Cache-Control
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Same as must-revalidate, but it only applies to shared caches (e.g., proxies) and is ignored by a private cache.
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Cache-Control Header Max-Age
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Specifies the maximum amount of time a resource will be considered fresh. Contrary to Expires, this directive is relative to the time of the request. this website is having max-age=120691 secs.
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XFN 1.1
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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.
Meta Description
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A meta description is a 160-character snippet, a meta tag in HTML, that summarizes a page`s content. this website is having meta description of the following : Learn about what counseling psychology is about, the programs and degree options available, and career pathways.