Pragma Header - backwards compatibility with HTTP/1.0
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The Pragma HTTP/1.0 general header is an implementation-specific header that may have various effects along the request-response chain. It is used for backwards compatibility with HTTP/1.0 caches where the Cache-Control HTTP/1.1 header is not yet present.
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schema.org micro-markup
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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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Post Cache-Control Header
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this website is using post-heck Cache-Control Header.
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Precheck Cache-Control Header
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this website is using precheck Cache-Control Header.
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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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NO Store HTTP Cache-Control
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The cache should not store anything about the client request or server response.
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No Cache Content
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Forces caches to submit the request to the origin server for validation before releasing a cached copy.
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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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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 : Dépannage informatique à domicile sur Paris et Ile de France 24H/24, 7j/7 - 89€ Tout compris Aucun surcoût - 09 70 40 81 52 - Intervention en 3 heures maximum