[{"data":1,"prerenderedAt":81},["ShallowReactive",2],{"term-h\u002Fhttp-3":3,"related-h\u002Fhttp-3":60},{"id":4,"title":5,"acronym":6,"body":7,"category":40,"description":41,"difficulty":42,"extension":43,"letter":44,"meta":45,"navigation":46,"path":47,"related":48,"seo":54,"sitemap":55,"stem":58,"subcategory":6,"__hash__":59},"terms\u002Fterms\u002Fh\u002Fhttp-3.md","HTTP\u002F3",null,{"type":8,"value":9,"toc":33},"minimark",[10,15,19,23,26,30],[11,12,14],"h2",{"id":13},"eli5-the-vibe-check","ELI5 — The Vibe Check",[16,17,18],"p",{},"HTTP\u002F3 is the newest version of HTTP and it ditches TCP entirely in favor of QUIC. If TCP is a postal truck and HTTP\u002F2 is stuffing multiple packages in it, HTTP\u002F3 is switching to a faster delivery drone. Less latency, better performance on lossy connections.",[11,20,22],{"id":21},"real-talk","Real Talk",[16,24,25],{},"HTTP\u002F3 is built on QUIC instead of TCP. It solves TCP's head-of-line blocking at the transport layer, enables faster connection establishment (0-RTT), and improves performance on unreliable networks. Uses UDP under the hood with reliability built into QUIC itself.",[11,27,29],{"id":28},"when-youll-hear-this","When You'll Hear This",[16,31,32],{},"\"Cloudflare supports HTTP\u002F3 — enable it for faster load times.\" \u002F \"HTTP\u002F3 handles packet loss better than HTTP\u002F2 on mobile networks.\"",{"title":34,"searchDepth":35,"depth":35,"links":36},"",2,[37,38,39],{"id":13,"depth":35,"text":14},{"id":21,"depth":35,"text":22},{"id":28,"depth":35,"text":29},"networking","HTTP\u002F3 is the newest version of HTTP and it ditches TCP entirely in favor of QUIC.","advanced","md","h",{},true,"\u002Fterms\u002Fh\u002Fhttp-3",[49,50,51,52,53],"HTTP\u002F2","QUIC","UDP","TLS Handshake","Latency",{"title":5,"description":41},{"changefreq":56,"priority":57},"weekly",0.7,"terms\u002Fh\u002Fhttp-3","yRAOjeJ9IiAQ1dKzDmypBG_Ub9gKk_o3VBlWSxQSQVE",[61,65,69,73,77],{"title":49,"path":62,"acronym":6,"category":40,"difficulty":63,"description":64},"\u002Fterms\u002Fh\u002Fhttp-2","intermediate","HTTP\u002F2 is a supercharged version of HTTP. With HTTP\u002F1.1, you could only ask for one thing at a time per connection.",{"title":53,"path":66,"acronym":6,"category":40,"difficulty":67,"description":68},"\u002Fterms\u002Fl\u002Flatency","beginner","Latency is the delay before data starts moving — the time it takes for a request to go from your device to the server and back.",{"title":50,"path":70,"acronym":71,"category":40,"difficulty":42,"description":72},"\u002Fterms\u002Fq\u002Fquic","Quick UDP Internet Connections","QUIC is Google's invention that takes the speed of UDP and adds the reliability of TCP, all while encrypting everything.",{"title":52,"path":74,"acronym":75,"category":40,"difficulty":63,"description":76},"\u002Fterms\u002Ft\u002Ftls-handshake","Transport Layer Security Handshake","The TLS handshake is the 'hello, do we trust each other?' ceremony that happens before any HTTPS data flows.",{"title":51,"path":78,"acronym":79,"category":40,"difficulty":63,"description":80},"\u002Fterms\u002Fu\u002Fudp","User Datagram Protocol","UDP is like shouting information across a room — fast but no guarantee anyone heard you. There's no handshake, no confirmation.",1776518285928]