HTTP Working GroupI. Grigorik
Internet-DraftGoogle
Intended status: ExperimentalDecember 16, 2017
Expires: June 19, 2018

skyrim heiratswillige frauen liste HTTP Client Hints

draft-ietf-httpbis-client-hints-latest

online dating manual

frauen ab 50 suchen youtube An increasing diversity of Web-connected devices and software capabilities has created a need to deliver optimized content for each device.partnersuche mit niveau zitate

free latest online dating site This specification defines an extensible and configurable set of HTTP request header fields, colloquially known as Client Hints, to address this. They are intended to be used as input to proactive content negotiation; just as the Accept header field allows user agents to indicate what formats they prefer, Client Hints allow user agents to indicate device and agent specific preferences.partnervermittlung holland deutschland

partnervermittlung holland youtube

free gay dating site in south africa Discussion of this draft takes place on the HTTP working group mailing list ([email protected]), which is archived at www.vip partnervermittlung.gay online dating tips

cx christliche partnersuche de Working Group information can be found at partnersuche salzburg österreich; source code and issues list for this draft can be found at partnersuche seiten österreich.akademiker partnersuche wien

partner finden in der schweiz

cx christliche partnersuche deutschland This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79.österreich partnersuche kostenlos

kosten partnerbörsen Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet-Drafts is at partnersuche in österreich.partnersuche inserate österreich

kosten partnerbörsen vergleich Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as “work in progress”.online dating best way to start a conversation

online dating sites gratis This Internet-Draft will expire on June 19, 2018.online dating how to initiate conversation

how to start a conversation online dating examples

online dating sverige gratis Copyright © 2017 IETF Trust and the persons identified as the document authors. All rights reserved.online dating starting a conversation

tips for good online dating profile This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (singlebörse kostenlos test chip) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.frauen suchen männer augsburg


online dating site best cx christliche partnersuche ch

online dating norge gratis There are thousands of different devices accessing the web, each with different device capabilities and preference information. These device capabilities include hardware and software characteristics, as well as dynamic user and client preferences.cx christliche partnersuche cpd

heiratswillige junge frauen One way to infer some of these capabilities is through User-Agent (online dating writing tips of [RFC7231]) header field detection against an established database of client signatures. However, this technique requires acquiring such a database, integrating it into the serving path, and keeping it up to date. However, even once this infrastructure is deployed, user agent sniffing has numerous limitations:cx christliche partnersuche schweiz

heiratswillige japanische frauen A popular alternative strategy is to use HTTP cookies ([RFC6265]) to communicate some information about the user agent. However, this approach is also not cache friendly, bound by same origin policy, and imposes additional client-side latency by requiring JavaScript execution to create and manage HTTP cookies.partnervermittlung mainaschaff camping

gratis partnervermittlung österreich legal This document defines a set of new request header fields that allow user agent to perform proactive content negotiation (partnervermittlung ulm xinedome of [RFC7231]) by indicating device and agent specific preferences, through a mechanism similar to the Accept header field which is used to indicate preferred response formats.partnervermittlung ulm xinedom

gratis partnervermittlung österreich linz Client Hints does not supersede or replace the User-Agent header field. Existing device detection mechanisms can continue to use both mechanisms if necessary. By advertising its capabilities within a request header field, Client Hints allows for cache friendly and proactive content negotiation.kosten bei partnerbörsen

partnersuche in kassel kostenlos partnersuche ungarn kostenlos youtube

dating online gratis italia The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “NOT RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here.online dating tips youtube

partnerbörse ohne versteckte kosten This document uses the Augmented Backus-Naur Form (ABNF) notation of [RFC5234] with the list rule extension defined in [RFC7230], cx christliche partnersuche osteuropa. It includes by reference the DIGIT rule from [RFC5234] and the OWS and field-name rules from [RFC7230].partnersuche österreich test

partnersuche österreich tirol partnersuche rheinland pfalz kostenlos youtube

gratis partnervermittlung österreich indien A Client Hint request header field is a HTTP header field that is used by HTTP clients to indicate configuration data that can be used by the server to select an appropriate response. Each one conveys client preferences that the server can use to adapt and optimize the response.partnervermittlung mainaschaff zulassungsstelle

online sims dating games for guys online sims dating games

online dating site profile examples Clients control which Client Hints are sent in requests, based on their default settings, user configuration and/or preferences. The client and server can use an opt-in mechanism outlined below to negotiate which fields should be sent to allow for efficient content adaption.online sims dating games free

singlebörse in luxemburg Implementers should be aware of the passive fingerprinting and network information disclosure implications when implementing support for Client Hints, and follow the considerations outlined in “Security Considerations” section of this document.partnervermittlung mainaschaff aschaffenburg

partner finden schweiz youtube partnerbörsen kosten qm

online dating kostenlos youtube When presented with a request that contains one or more client hint header fields, servers can optimize the response based upon the information in them. When doing so, and if the resource is cacheable, the server MUST also generate a Vary response header field (online dating site tips of [RFC7231]) to indicate which hints can affect the selected response and whether the selected response is appropriate for a later request.online dating site profile tips

partnersuche in villach Further, depending on the hint used, the server can generate additional response header fields to convey related values to aid client processing. For example, this specification defines the “Content-DPR” response header field that needs to be returned by the server when the “DPR” hint is used to select the response.partnersuche rheinland pfalz kostenlos runterladen

kosten von partnerbörsen partnerbörsen kosten vergleich

south africas dating sites Servers can advertise support for Client Hints using the Accept-CH header field or an equivalent HTML meta element with http-equiv attribute ([HTML5]).partnersuche rheinland pfalz kostenlos chip

  Accept-CH = #field-name

south africa's biggest dating site For example:the gentleman guide to online dating pdf password

  Accept-CH: DPR, Width, Viewport-Width

namibian online dating sites When a client receives an HTTP response advertising support for Client Hints, it should process it as origin ([RFC6454]) opt-in to receive Client Hint header fields advertised in the field-value. The opt-in MUST be delivered over a secure transport.partnerbörse parship kosten

partnervermittlung ungarinnen kennenlernen For example, based on Accept-CH example above, a user agent could append DPR, Width, and Viewport-Width header fields to all same-origin resource requests initiated by the page constructed from the response.partnersuche ungarn kostenlos online

tips online dating sites kosten für partnerbörsen

online dating advice for ladies Servers can ask the client to remember the set of Client Hints that the server supports for a specified period of time, to enable delivery of Client Hints on subsequent requests to the server’s origin ([RFC6454]).singlebörse alleinerziehend kostenlos online

  Accept-CH-Lifetime = #delta-seconds

partnersuche villach cineplexx When a client receives an HTTP response that contains Accept-CH-Lifetime header field, the field-value indicates that the Accept-CH preference SHOULD be persisted and bound to the origin, and be considered stale after response’s age ([RFC7234], section 4.2) is greater than the specified number of seconds. The preference MUST be delivered over a secure transport, and MUST NOT be persisted for an origin that isn’t HTTPS.online dating profile pic tips

  Accept-CH: DPR, Width
  Accept-CH: Viewport-Width
  Accept-CH-Lifetime: 86400

online dating kostenlos xp For example, based on the Accept-CH and Accept-CH-Lifetime example above, which is received from “https://bar.example.com” in response to a resource request initiated by “https://foo.example.com”, both delivered over a secure transport: a user agent SHOULD persist an Accept-CH preference bound to “https://foo.example.com”, for requests initiated to “https://bar.example.com” from “https://foo.example.com”, for up to 86400 seconds (1 day). This preference SHOULD NOT extend to requests initiated to “https://bar.example.com” from other origins.russische frauen in deutschland auf partnersuche vergleich

partnervermittlung ungarinnen mentalität If Accept-CH-Lifetime occurs in a message more than once, the last value overrides all previous occurrences.singlebörse alleinerziehend kostenlos runterladen

singlebörse alleinerziehend kostenlos xp online dating sites namibia

gratis partnervermittlung österreich youtube When selecting an optimized response based on one or more Client Hints, and if the resource is cacheable, the server needs to generate a Vary response header field ([RFC7234]) to indicate which hints can affect the selected response and whether the selected response is appropriate for a later request.russische frauen in deutschland auf partnersuche kostenlos

  Vary: DPR

gratis partnervermittlung österreich gratis Above example indicates that the cache key needs to include the DPR header field.kosten der partnerbörsen

  Vary: DPR, Width

frauen ab 50 suchen xing Above example indicates that the cache key needs to include the DPR and Width header fields.singlebörse alleinerziehend kostenlos youtube

free single chat ohne anmelden partnervermittlung mainaschaff dehner

guide to online dating password guide to online dating

frauen ab 50 suchen xp The “DPR” request header field is a number that indicates the client’s current Device Pixel Ratio (DPR), which is the ratio of physical pixels over CSS px (Section 5.2 of [CSSVAL]) of the layout viewport (Section 9.1.1 of [CSS2]) on the device.online dating sites sri lanka

  DPR = 1*DIGIT [ "." 1*DIGIT ]

partnersuche villach youtube If DPR occurs in a message more than once, the last value overrides all previous occurrences.tips to creating an online dating profile

guide to writing online dating profile free dating site for south africa

partnersuche ab 30 kostenlos chip The “Content-DPR” response header field is a number that indicates the ratio between physical pixels over CSS px of the selected image response.online dating second message tips

  Content-DPR = 1*DIGIT [ "." 1*DIGIT ]

what is a good user name for dating site DPR ratio affects the calculation of intrinsic size of image resources on the client - i.e. typically, the client automatically scales the natural size of the image by the DPR ratio to derive its display dimensions. As a result, the server MUST explicitly indicate the DPR of the selected image response whenever the DPR hint is used, and the client MUST use the DPR value returned by the server to perform its calculations. In case the server returned Content-DPR value contradicts previous client-side DPR indication, the server returned value MUST take precedence.online dating starting conversation

good username for dating sites Note that DPR confirmation is only required for image responses, and the server does not need to confirm the resource width as this value can be derived from the resource itself once it is decoded by the client.how to initiate conversation with a girl online dating

gratis partnervermittlung österreich zeitung If Content-DPR occurs in a message more than once, the last value overrides all previous occurrences.online dating how to start conversation

free online dating sims cx christliche partnersuche test

online dating kostenlos runterladen The “Width” request header field is a number that indicates the desired resource width in physical px (i.e. intrinsic size of an image). The provided physical px value is a number rounded to the smallest following integer (i.e. ceiling value).good online dating profile tips

  Width = 1*DIGIT

free singles phone chat numbers If the desired resource width is not known at the time of the request or the resource does not have a display width, the Width header field can be omitted. If Width occurs in a message more than once, the last value overrides all previous occurrences.best gay dating site south africa

gay dating online south africa free online teenage dating site

good morning america online dating tips The “Viewport-Width” request header field is a number that indicates the layout viewport width in CSS px. The provided CSS px value is a number rounded to the smallest following integer (i.e. ceiling value).cx christliche partnersuche kostenlos

  Viewport-Width = 1*DIGIT

great online dating tips If Viewport-Width occurs in a message more than once, the last value overrides all previous occurrences.best online dating for christian singles

free online dating websites with no fees free online dating sites with no hidden charges

tips writing online dating email The “Save-Data” request header field consists of one or more tokens that indicate client’s preference for reduced data usage, due to high transfer costs, slow connection speeds, or other reasons.free online dating sites no charges

  Save-Data = sd-token *( OWS ";" OWS [sd-token] )
  sd-token = token

latest online dating sites free This document defines the “on” sd-token value, which is used as a signal indicating explicit user opt-in into a reduced data usage mode on the client, and when communicated to origins allows them to deliver alternate content honoring such preference - e.g. smaller image and video resources, alternate markup, and so on. New token and extension token values can be defined by updates to this specification.good online dating headlines for guys

newest online dating sites If Save-Data occurs in a message more than once, the last value overrides all previous occurrences.online dating sites for south africa

suche ältere frau schweiz singlebörse luxemburg deutschland

latest online dating sites For example, given the following request header fields:partnervermittlung mainaschaff lauf

  DPR: 2.0
  Width: 320
  Viewport-Width: 320

gratis online chat ohne registrierung The server knows that the device pixel ratio is 2.0, that the intended display width of the requested resource is 160 CSS px (320 physical pixels at 2x resolution), and that the viewport width is 320 CSS px.online dating for professionals australia

watch blind dating movie online free If the server uses above hints to perform resource selection for an image asset, it must confirm its selection via the Content-DPR response header to allow the client to calculate the appropriate intrinsic size of the image response. The server does not need to confirm resource width, only the ratio between physical pixels and CSS px of the selected image resource:online dating for professionals canada

  Content-DPR: 1.0

watch blind dating full movie online free The Content-DPR response header field indicates to the client that the server has selected resource with DPR ratio of 1.0. The client can use this information to perform additional processing on the resource - for example, calculate the appropriate intrinsic size of the image resource such that it is displayed at the correct resolution.online dating for professionals uk

online dating for professionals south africa online dating for professionals

best online dating sites for guys The request header fields defined in this specification, and those that extend it, expose information about the user’s environment to enable proactive content negotiation. Such information may reveal new information about the user and implementers ought to consider the following considerations, recommendations, and best practices.free online dating sites for professionals

gratis partnervermittlung österreich meer Transmitted Client Hints header fields SHOULD NOT provide new information that is otherwise not available to the application via other means, such as using HTML, CSS, or JavaScript. Further, sending highly granular data, such as image and viewport width may help identify users across multiple requests. Reducing the set of field values that can be expressed, or restricting them to an enumerated range where the advertised value is close but is not an exact representation of the current value, can improve privacy and reduce risk of linkability by ensuring that the same value is sent by multiple users. However, such precautions can still be insufficient for some types of data, especially data that can change over time.online dating for professionals london

black gay dating site south africa Implementers ought to consider both user and server controlled mechanisms and policies to control which Client Hints header fields are advertised:online dating for professionals usa

partnersuche ab 30 kostenlos xp Implementers SHOULD support Client Hints opt-in mechanisms and MUST clear persisted opt-in preferences when site data, browsing history, browsing cache, or similar, are cleared.partnersuche ungarn kostenlos xp

the gentleman's guide to online dating password the gentleman's guide to online dating review

partnersuche brasilien deutschland This document defines the “Accept-CH”, “DPR”, “Save-Data”, “Viewport-Width”, and “Width” HTTP request fields, “Accept-CH”, “Accept-CH-Lifetime”, and “Content-DPR” HTTP response field, and registers them in the Permanent Message Header Fields registry.best online local dating sites

online local dating websites online dating local singles

  • Header field name: Accept-CH
  • Applicable protocol: HTTP
  • Status: standard
  • Author/Change controller: IETF
  • Specification document(s): gratis single chat schweiz of this document
  • Related information: for Client Hints

frauen ab 50 chat frauen ab 50.ch

  • Header field name: Accept-CH-Lifetime
  • Applicable protocol: HTTP
  • Status: standard
  • Author/Change controller: IETF
  • Specification document(s): free online dating without credit card of this document
  • Related information: for Client Hints

frauen ab 50 suchen männer frauen 50+ suchen mann

  • Header field name: Content-DPR
  • Applicable protocol: HTTP
  • Status: standard
  • Author/Change controller: IETF
  • Specification document(s): frauen ab 50 suchen junge männer of this document
  • Related information: for Client Hints

partnersuche hundebesitzer englisch partnersuche hundebesitzer erzgebirge

  • Header field name: DPR
  • Applicable protocol: HTTP
  • Status: standard
  • Author/Change controller: IETF
  • Specification document(s): heiratswillige frauen aus indien of this document
  • Related information: for Client Hints

heiratswillige frauen in skyrim heiratswillige frauen aus italien

  • Header field name: Save-Data
  • Applicable protocol: HTTP
  • Status: standard
  • Author/Change controller: IETF
  • Specification document(s): heiratswillige frauen in deutschland of this document
  • Related information: for Client Hints

heiratswillige frauen usa heiratswillige frauen ukraine

  • Header field name: Viewport-Width
  • Applicable protocol: HTTP
  • Status: standard
  • Author/Change controller: IETF
  • Specification document(s): heiratswillige ungarische frauen of this document
  • Related information: for Client Hints

heiratswillige frauen ungarn online dating sri lanka free

  • Header field name: Width
  • Applicable protocol: HTTP
  • Status: standard
  • Author/Change controller: IETF
  • Specification document(s): heiratswillige frauen mit bild of this document
  • Related information: for Client Hints

heiratswillige frauen marokko free online dating sites 13 year olds

partnersuche in goslar Thanks to Mark Nottingham, Julian Reschke, Chris Bentzel, Yoav Weiss, Ben Greenstein, Tarun Bansal, Roy Fielding, Vasiliy Faronov, Ted Hardie, Jonas Sicking, and numerous other members of the IETF HTTP Working Group for invaluable help and feedback.online dating meeting for the first time tips

tips for online dating conversation References

free online dating sites for guys Normative References

[CSS2]
Bos, B., Celic, T., Hickson, I., and H. Lie, “cx christliche partnersuche gratis”, W3C Recommendation REC-CSS2-20110607, June 2011, <best online dating sim>.
[CSSVAL]
Atkins, T. and E. Etemad, “top online dating sim”, World Wide Web Consortium CR CR-css-values-3-20160929, September 2016, <best online dating rpg>.
[HTML5]
Hickson, I., Berjon, R., Faulkner, S., Leithead, T., Navara, E., O&#039;Connor, T., and S. Pfeiffer, “heiratswillige frauen finden”, World Wide Web Consortium Recommendation REC-html5-20141028, October 2014, <best way to start a conversation with a girl online dating>.
[RFC2119]
Bradner, S., “best way to initiate conversation online dating”, BCP 14, RFC 2119, free singles chat bazaar, March 1997, <heiratswillige frauen aus estland>.
[RFC5234]
Crocker, D., Ed. and P. Overell, “online dating website tips”, STD 68, RFC 5234, top online dating profile examples, January 2008, <heiratswillige deutsche frauen>.
[RFC6454]
Barth, A., “www.heiratswillige frauen.de”, RFC 6454, heiratswillige frauen aus der ukraine, December 2011, <heiratswillige frauen aus dem ausland>.
[RFC7230]
Fielding, R., Ed. and J. Reschke, Ed., “heiratswillige frauen deutschland”, RFC 7230, heiratswillige frauen aus der schweiz, June 2014, <heiratswillige frauen aus der slowakei>.
[RFC7231]
Fielding, R., Ed. and J. Reschke, Ed., “the gentleman's guide to online dating free”, RFC 7231, single partys zürich, June 2014, <partnervermittlung ulm umgebung>.
[RFC7234]
Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, Ed., “heiratswillige frauen aus kuba”, RFC 7234, heiratswillige frauen kennenlernen, June 2014, <heiratswillige frauen karibik>.
[RFC8174]
Leiba, B., “heiratswillige frauen kostenlos”, BCP 14, RFC 8174, partnersuche im internet kostenlos rtl2, May 2017, <partnersuche im internet kostenlos rtl>.

heiratswillige frauen youtube Informative References

[KEY]
Fielding, R. and M. Nottingham, “erfahrungen mit partnervermittlung helga”, Internet-Draft draft-ietf-httpbis-key-01 (work in progress), March 2016.
[RFC6265]
Barth, A., “online chat schweiz youtube”, RFC 6265, heiratswillige frauen aus südamerika, April 2011, <heiratswillige frauen aus schweden>.

heiratswillige frauen suchen schöne heiratswillige frauen

how to start an online dating conversation Client Hints may be combined with Key response header field ([KEY]) to enable fine-grained control of the cache key for improved cache efficiency. For example, the server can return the following set of instructions:heiratswillige frauen skyrim

  Key: DPR;partition=1.5:2.5:4.0

online dating how to make conversation Above example indicates that the cache key needs to include the value of the DPR header field with three segments: less than 1.5, 1.5 to less than 2.5, and 4.0 or greater.heiratswillige frauen aus serbien

  Key: Width;div=320

starting a conversation on dating sites Above example indicates that the cache key needs to include the value of the Width header field and be partitioned into groups of 320: 0-320, 320-640, and so on.heiratswillige frauen aus spanien

heiratswillige frauen osteuropa osteuropäische heiratswillige frauen

heiratswillige frauen aus dem osten heiratswillige türkische frauen

  • Issue 168 (make Save-Data extensible) updated ABNF.
  • Issue 163 (CH review feedback) editorial feedback from httpwg list.
  • Issue 153 (NetInfo API citation) added normative reference.

heiratswillige thailändische frauen heiratswillige tschechische frauen

  • Issue 200: Moved Key reference to informative.
  • Issue 215: Extended passive fingerprinting and mitigation considerations.
  • Changed document status to experimental.

heiratswillige frauen aus tunesien heiratswillige frauen thailand

  • Issue 239: Updated reference to CR-css-values-3
  • Issue 240: Updated reference for Network Information API
  • Issue 241: Consistency in IANA considerations
  • Issue 250: Clarified Accept-CH

tips for online dating websites safety tips for online dating sites

  • Issue 284: Extended guidance for Accept-CH
  • Issue 308: Editorial cleanup
  • Issue 306: Define Accept-CH-Lifetime

heiratswillige frauen aus afrika heiratswillige frauen aus rumänien

  • Issue 361: Removed Downlink
  • Issue 361: Moved Key to appendix, plus other editorial feedback

heiratswillige frauen aus china heiratswillige frauen aus thailand

  • Issue 372: Scoped CH opt-in and delivery to secure transports
  • Issue 373: Bind CH opt-in to origin

heiratswillige frauen aus tschechien heiratswillige frauen aus ungarn

  • None

heiratswillige frauen aus deutschland

start a conversation on online dating site Ilya Grigorik
Google
EMail: heiratswillige frauen aus lettland
URI: heiratswillige frauen aus litauen