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Mehr Informationen dazu findest du im separaten Artikel \u003Ca href=\"https:\u002F\u002Fwww.cyon.ch\u002Fsupport\u002Fa\u002Fhttp-3\">«HTTP\u002F3»\u003C\u002Fa> oder in unserem Blog-Post \u003Ca href=\"https:\u002F\u002Fwww.cyon.ch\u002Fblog\u002FHTTP3\">«HTTP\u002F3: Die nächste Stufe des Web-Protokolls ist gezündet»\u003C\u002Fa>.\u003C\u002Fp>\u003Ch2>Was macht HTTP\u002F2 besser?\u003C\u002Fh2>\u003Cp>\n\t Die neue HTTP-Version ist vollständig abwärtskompatibel, was eine schnelle Verbreitung unterstützt. Die wichtigsten Verbesserungen gegenüber HTTP\u002F1.1 lassen sich in vier Punkte aufteilen:\u003C\u002Fp>\u003Cul>\n\t\n\u003Cli>\u003Cstrong>Kommunikation auf einem Kanal\u003Cbr>\n\t\u003C\u002Fstrong>Mit HTTP\u002F2 wird die Kommunikation zwischen Browser und Server über eine einzige Verbindung abgewickelt. Mit der alten Version wurden mehrere Verbindungen gleichzeitig geöffnet, was zur Verstopfung der Datenleitungen geführt hat.\u003C\u002Fli>\t\n\u003Cli>\u003Cstrong>Stream Dependency\u003C\u002Fstrong>\u003Cbr>\n\t Damit sich die Datenpakete in der einzigen Verbindung nicht in die Quere kommen, kann der Browser dem Server mitteilen, welche der zu ladenden Dateien für ihn wichtiger sind. So kann der Server wichtigere Datenpakete zuerst an den Browser schicken. \n\t\u003C\u002Fli>\t\n\u003Cli>\u003Cstrong>Kompression der Kopfzeilen\u003C\u002Fstrong>\u003Cbr>\n\t Die sogenannten HTTP-Header beinhalten die wichtigen Zusatzinformationen zu einer angeforderten Datei. Dank der nun möglichen Kompression dieser Kopfzeilen müssen weniger Daten ausgetauscht werden. \n\t\u003C\u002Fli>\t\n\u003Cli>\u003Cstrong>Server Push\u003Cbr>\n\t\u003C\u002Fstrong>Der Server kann dem Browser bereits Dateien schicken, bevor der Browser die entsprechende Dateien überhaupt angefordert hat. So muss der Browser Dateien, die er sowieso für die Anzeige der entsprechenden Website benötigt, nicht zusätzlich anfordern.\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\n\t Weiterführende Informationen zu HTTP\u002F2 findest du in unserem Blog-Beitrag \n\t\u003Ca href=\"https:\u002F\u002Fwww.cyon.ch\u002Fblog\u002FHTTP2-Raketenantrieb-fuers-Web\">«HTTP\u002F2: Neuer Raketenantrieb fürs Web – so gelingt Ihnen der Start»\u003C\u002Fa>.\u003C\u002Fp>","[\"5b2a11f02c7d3a0fa9a333cf\",\"5b4376a22c7d3a099f2e5345\"]","[\"5c73f4e204286350d088500e\",\"5b334d600428630abc0b70cf\",\"5b3356ea0428630abc0b7132\",\"5b45b9ad0428630abc0bef47\",\"61deef6b79a38f5473fd334c\"]","HTTP2","HTTP\u002F2 bezeichnet die erste, überarbeitete Version des Verbindungsprotokolls HTTP und wurde 2015 veröffentlicht. Diese Version verspricht geringere Latenzen bei der Kommunikation zwischen Browsern und Webservern und damit mehr Geschwindigkeit beim…",false,[422,426,430,434,438],{"helpscoutSlug":423,"helpscoutName":424,"excerpt":425},"http-3","HTTP\u002F3","HTTP\u002F3 ist, vereinfacht gesagt, die Verschmelzung der beiden Übertragungstechnologien HTTP\u002F2 und QUIC, die bislang unabhängig voneinander auf unterschiedlichen Ebenen für schnellere Datenübertragung sorgen. HTTP\u002F3 wird zurzeit von Arbeitsgruppen der…",{"helpscoutSlug":427,"helpscoutName":428,"excerpt":429},"http-strict-transport-security-hsts-aktivieren","HTTP Strict Transport Security (HSTS) aktivieren","Mit der Funktion HTTP Strict Transport Security (HSTS) teilt eine Website beim Aufrufen mit, dass sie über eine verschlüsselte Verbindung per HTTPS erreichbar ist und der Browser diese Einstellung für längere Zeit zwischenspeichern soll. So müssen…",{"helpscoutSlug":431,"helpscoutName":432,"excerpt":433},"ssl-zertifikat-verschlusselung-einrichten","SSL-Zertifikat (Verschlüsselung) einrichten","Ein kostenloses SSL-Zertifikat ist über dein my.cyon-Konto dank Let's Encrypt im Handumdrehen eingerichtet. Möchtest du ein eigenes SSL-Zertifikat installieren, so beschreiben wir den Vorgang im zweiten Abschnitt.Kostenloses SSL-Zertifikat…",{"helpscoutSlug":435,"helpscoutName":436,"excerpt":437},"weiterleitung-auf-https-einrichten-mit-wordpress","Weiterleitung auf HTTPS einrichten mit WordPress","Dank unseren kostenlosen SSL-Zertifikaten ist es heute eine kleine Hürde deine WordPress-Seite auf HTTPS umzustellen. Damit die modernen Browser die Seite auch korrekt ohne Sicherheitswarnung, wie zum Beispiel Mixed-Content ausliefern, gilt es…",{"helpscoutSlug":439,"helpscoutName":440,"excerpt":441},"weiterleitung-auf-https-einrichten","Weiterleitung auf HTTPS einrichten","Ist deine Domain\u002FSubdomain mit einem SSL-Zertifikat geschützt, so kannst du die Besuchenden deiner Website auf eine verschlüsselte Verbindung weiterleiten und die Website per HTTPS ausgeben. Diese Weiterleitung lässt sich bei uns mit einem Klick…",[443,446],{"helpscoutSlug":444,"helpscoutName":445},"6begriffe-begriffe","600_begriffe: Begriffe",{"helpscoutSlug":447,"helpscoutName":448},"38website-ssl-zertifikat-einrichten","308_website: SSL-Zertifikat einrichten",[450,484,518],{"id":451,"uri":452,"slug":453,"title":454,"enabled":105,"typeHandle":455,"sectionHandle":456,"__typename":457,"color":458,"textRich":459,"buttonSimple":460,"singleImage":471},"868","component-preview\u002Fe-mail-programm-konfigurieren","e-mail-programm-konfigurieren","E-Mail-Programm konfigurieren","ctaServices","callToActions","ctaServices_Entry","butterfly","\u003Cp>\u003Cstrong>Unser E-Mail-Zauberer führt dich durch den Einrichtungsprozess: \u003C\u002Fstrong>Verwalte deine E-Mail-Konten ganz bequem über das E-Mail-Programm deiner Wahl. Mit unserem Einrichtungsassistenten gelingt dir dies ganz einfach.\u003C\u002Fp>",{"label":461,"linkField":462},"E-Mail-Zauberer starten",{"__typename":98,"type":99,"label":12,"link":463,"url":464,"urlSuffix":12,"entry":465},"\u003Ca href=\"http:\u002F\u002Flocalhost:3000\u002Fsupport\u002Fmailwizard\">E-Mail Zauberer\u003C\u002Fa>","http:\u002F\u002Flocalhost:3000\u002Fsupport\u002Fmailwizard",{"id":466,"uri":467,"slug":468,"title":318,"enabled":105,"typeHandle":469,"sectionHandle":469,"__typename":470},"5940","support\u002Fmailwizard","mailwizard","mailWizard","mailWizard_Entry",[472],{"id":473,"url":474,"mediumUrl":475,"smallUrl":476,"originalUrl":477,"width":478,"height":479,"title":480,"alt":12,"kind":481,"extension":482,"caption":12,"nameTags":483},"869","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002F_default\u002F869\u002FBildschirmfoto-2026-01-18-um-15.30.17.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002F_medium\u002F869\u002FBildschirmfoto-2026-01-18-um-15.30.17.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002F_small\u002F869\u002FBildschirmfoto-2026-01-18-um-15.30.17.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FServices\u002FBildschirmfoto-2026-01-18-um-15.30.17.png",1128,1124,"Bildschirmfoto 2026 01 18 um 15 30 17","image","png",[],{"id":485,"uri":486,"slug":487,"title":488,"enabled":105,"typeHandle":455,"sectionHandle":456,"__typename":457,"color":458,"textRich":489,"buttonSimple":490,"singleImage":494},"942","component-preview\u002Fwir-migrieren-dein-projekt-kostenlos","wir-migrieren-dein-projekt-kostenlos","Stressfrei Website & E-Mail umziehen lassen","\u003Cp>Unser Umzugsteam begleitet dich beim Wechsel zu cyon – Schritt für Schritt.\u003C\u002Fp>",{"label":491,"linkField":492},"Jetzt ohne Doppelkosten wechseln",{"__typename":98,"type":99,"label":12,"link":264,"url":265,"urlSuffix":12,"entry":493},{"id":267,"uri":110,"slug":268,"title":109,"enabled":105,"typeHandle":106,"sectionHandle":107,"__typename":89},[495],{"id":496,"url":497,"mediumUrl":498,"smallUrl":499,"originalUrl":500,"width":501,"height":501,"title":502,"alt":17,"kind":481,"extension":482,"caption":12,"nameTags":503},"776","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_default\u002F776\u002Fcommon-cta.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_medium\u002F776\u002Fcommon-cta.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_small\u002F776\u002Fcommon-cta.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002Fcommon-cta.png",393,"Common cta",[504,512],{"id":505,"title":506,"fullName":506,"role":507,"desktopX":508,"desktopY":509,"mobileX":510,"mobileY":511},"1925","Scharon","Customer Support",30,65,10,70,{"id":513,"title":514,"fullName":514,"role":507,"desktopX":515,"desktopY":516,"mobileX":517,"mobileY":517},"1926","Gabriel",67,60,50,{"id":519,"uri":520,"slug":521,"title":522,"enabled":105,"typeHandle":523,"sectionHandle":456,"__typename":524,"color":73,"textRich":525,"buttonSimple":526},"876","component-preview\u002Fimmer-auf-dem-laufenden-bleiben","immer-auf-dem-laufenden-bleiben","Immer auf dem Laufenden bleiben","ctaTextOnly","ctaTextOnly_Entry","\u003Cp>Tipps, Tools & Insights für deine Webprojekte.\u003C\u002Fp>",{"label":527,"linkField":528},"Jetzt Newsletter abonnieren",{"__typename":98,"type":116,"label":12,"link":529,"url":530,"urlSuffix":12,"entry":12},"\u003Ca href=\"https:\u002F\u002Fmailchi.mp\u002Fcyon\u002Fcyon-newsletter\">mailchi.mp\u002Fcyon\u002Fcyon-newsletter\u003C\u002Fa>","https:\u002F\u002Fmailchi.mp\u002Fcyon\u002Fcyon-newsletter",[532,631],{"id":533,"uri":534,"slug":535,"title":536,"enabled":105,"typeHandle":537,"sectionHandle":538,"__typename":539,"sectionHeader":540,"supportContactMethods":546},"4433","component-preview\u002Fkontakt","kontakt","Du brauchst persönliche Unterstützung?","supportContactSection","globalComponents","supportContactSection_Entry",{"iconSelect":541,"sectionLabel":310,"align":542,"color":543,"subtitle":544,"description":12,"backgroundImage":545},"headset","center","orange","Wähle den für dich passenden Kanal",[],[547,579,601],{"__typename":548,"title":549,"buttonIcon":550,"buttonDescription":551,"contentType":550,"contentTitle":552,"contentDescription":553,"contentButton":554,"image":560},"supportContactMethodStandard_Entry","E-Mail","mail","Verfügbar bis 17 Uhr","Persönliche Hilfe via E-Mail","\u003Cp>Verfügbar von Montag bis Freitag von 09:00 bis 17:00 Uhr. Wir beantworten deine E-Mails innert maximal 24 Stunden - und meist viel schneller.\u003C\u002Fp>",{"label":555,"linkField":556},"mail@cyon.ch",{"__typename":98,"type":557,"label":12,"link":558,"url":559,"urlSuffix":12,"entry":12},"email","\u003Ca href=\"mailto:mail@cyon.ch\">mail@cyon.ch\u003C\u002Fa>","mailto:mail@cyon.ch",[561],{"id":562,"url":563,"mediumUrl":564,"smallUrl":565,"originalUrl":566,"width":567,"height":568,"title":569,"alt":17,"kind":481,"extension":482,"caption":12,"nameTags":570},"742","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_default\u002F742\u002Fcommon-support.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_medium\u002F742\u002Fcommon-support.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_small\u002F742\u002Fcommon-support.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002Fcommon-support.png",840,558,"Common support",[571,577],{"id":572,"title":506,"fullName":506,"role":573,"desktopX":574,"desktopY":575,"mobileX":576,"mobileY":516},"1585","Customer Care Specialist",25,55,8,{"id":578,"title":514,"fullName":514,"role":573,"desktopX":515,"desktopY":516,"mobileX":517,"mobileY":517},"1586",{"__typename":548,"title":580,"buttonIcon":581,"buttonDescription":551,"contentType":581,"contentTitle":582,"contentDescription":583,"contentButton":584,"image":590},"Anruf","phone","Persönlicher Telefon-Support","\u003Cp>Rufe uns unter +41 61 588 15 15 an. Unsere Expertinnen und Experten helfen dir persönlich & direkt weiter. Verfügbar von 09:00 bis 12:00 Uhr und von 13:30 bis 17:00 Uhr.\u003C\u002Fp>",{"label":585,"linkField":586},"+41 61 588 15 15",{"__typename":98,"type":587,"label":12,"link":588,"url":589,"urlSuffix":12,"entry":12},"tel","\u003Ca href=\"tel:+41-61-588-15-15\">+41 61 588 15 15\u003C\u002Fa>","tel:+41-61-588-15-15",[591],{"id":592,"url":593,"mediumUrl":594,"smallUrl":595,"originalUrl":596,"width":597,"height":598,"title":599,"alt":12,"kind":481,"extension":482,"caption":12,"nameTags":600},"881","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_default\u002F881\u002FBildschirmfoto-2026-01-18-um-16.21.14.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_medium\u002F881\u002FBildschirmfoto-2026-01-18-um-16.21.14.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002F_small\u002F881\u002FBildschirmfoto-2026-01-18-um-16.21.14.webp","https:\u002F\u002Fcms.production-edge.cyon.ch\u002Ffiles\u002Fimages\u002FTeam\u002FBildschirmfoto-2026-01-18-um-16.21.14.png",906,918,"Bildschirmfoto 2026 01 18 um 16 21 14",[],{"__typename":602,"title":603,"buttonIcon":604,"buttonDescription":551,"emergencyFacts":605,"emergencyButton":621,"emergencyFaqEntries":626},"supportContactMethodEmergency_Entry","Notfall-Service","flame",[606,609,612,615,618],{"title":607,"description":608},"Verfügbarkeit","\u003Cp>365 Tage im Jahr, 24 Stunden am Tag\u003C\u002Fp>",{"title":610,"description":611},"Garantierte Reaktionszeit","\u003Cp>60 Minuten\u003C\u002Fp>",{"title":613,"description":614},"Kosten (inkl. erste 30 Minuten)","\u003Cp>CHF 250.00\u003C\u002Fp>",{"title":616,"description":617},"Je weitere angefangene 30 Minute","\u003Cp>CHF 100.00\u003C\u002Fp>",{"title":619,"description":620},"Alarmierung","\u003Cp>Via my.cyon\u003C\u002Fp>",{"label":622,"linkField":623},"Jetzt Notfall-Auftrag auslösen",{"__typename":98,"type":116,"label":12,"link":624,"url":625,"urlSuffix":12,"entry":12},"\u003Ca href=\"https:\u002F\u002Fmy.cyon.ch\u002Fsupport\u002Findex\u002Femergency\">my.cyon.ch\u002Fsupport\u002Findex\u002Femergency\u003C\u002Fa>","https:\u002F\u002Fmy.cyon.ch\u002Fsupport\u002Findex\u002Femergency",[627,630],{"title":628,"textRich":629},"Was ist der Notfall Service?","\u003Cp>Der Notfall Service bietet dir rund um die Uhr Unterstützung bei dringenden technischen Problemen mit deinen Diensten.\u003C\u002Fp>",{"title":628,"textRich":629},{"id":632,"uri":633,"slug":634,"title":635,"enabled":105,"typeHandle":636,"sectionHandle":538,"__typename":637,"sectionHeader":638,"leftBlock":642,"rightBlock":643},"4547","component-preview\u002Fstatusmeldungen","statusmeldungen","Statusmeldungen","statusMessagesSection","statusMessagesSection_Entry",{"iconSelect":639,"sectionLabel":635,"align":542,"color":166,"subtitle":640,"description":12,"backgroundImage":641},"trending-up","Übersicht über unsere Systeme",[],"\u003Ch3>Statusmeldungen\u003C\u002Fh3>\u003Cul>\u003Cli>Unser Systemstatus ist aktuell stabil.\u003C\u002Fli>\u003Cli>Geplante Wartungsarbeiten am 15. Juli 2024 von 02:00 bis 04:00 Uhr.\u003C\u002Fli>\u003Cli>Es gibt derzeit keine bekannten Störungen.\u003C\u002Fli>\u003C\u002Ful>","\u003Ch3>\u003Cstrong>Wichtige Hinweise\u003C\u002Fstrong>\u003C\u002Fh3>\u003Cul>\u003Cli>Bitte überprüfe regelmässig unseren Status-Feed für aktuelle Informationen.\u003C\u002Fli>\u003Cli>Bei dringenden Problemen kontaktiere unseren Support.\u003C\u002Fli>\u003C\u002Ful>"]