[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"academy-blogs-en-1-1-all-compression-websocket-go-all--*":3,"academy-blog-translations-hrfm5ckin5944zv":134},{"data":4,"page":122,"perPage":122,"totalItems":122,"totalPages":122},[5],{"alt":6,"collectionId":7,"collectionName":8,"content":9,"cover_image":10,"cover_image_path":11,"created":12,"created_by":13,"expand":14,"id":128,"keywords":129,"locale":104,"published_at":130,"scheduled_at":13,"school_blog":126,"short_description":131,"slug":132,"status":124,"title":6,"updated":133,"updated_by":13,"views":127},"Ep.26 Go and Compression on WebSocket - Reducing Data Size, Increasing Speed!","sclblg987654321","school_blog_translations","\u003Cp class=\"p1\">\u003Cstrong>Go and Compression on WebSocket - Reducing Data Size, Increasing Speed!\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp class=\"p3\">In this episode, we will learn about Compression on WebSocket to help reduce the size of data transmitted over the network and enhance the efficiency of communication in your system.\u003C\u002Fp>\u003Cp class=\"p4\"> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>What is Compression?\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp class=\"p3\">Compression is the process of reducing the size of data before sending it to the destination in order to :\u003C\u002Fp>\u003Col class=\"ol1\">\u003Cli class=\"li3\">Reduce bandwidth usage\u003C\u002Fli>\u003Cli class=\"li3\">Increase data transmission speed\u003C\u002Fli>\u003Cli class=\"li3\">Decrease latency\u003C\u002Fli>\u003C\u002Fol>\u003Cp class=\"p4\"> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>Benefits of Compression on WebSocket\u003C\u002Fstrong>\u003C\u002Fp>\u003Cul class=\"ul1\">\u003Cli class=\"li3\">Suitable for large data sizes, such as JSON or long messages\u003C\u002Fli>\u003Cli class=\"li3\">Increases data loading speed for bandwidth-constrained networks\u003C\u002Fli>\u003Cli class=\"li3\">Reduces costs, especially in systems that charge based on bandwidth usage\u003C\u002Fli>\u003C\u002Ful>\u003Cp class=\"p4\"> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>Using Per-Message Deflate on WebSocket\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp class=\"p3\">Per-Message Deflate is one of the standard data compression methods supported in WebSocket and can be easily implemented in Go using the package \u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"http:\u002F\u002Fgithub.com\u002Fgorilla\u002Fwebsocket\">github.com\u002Fgorilla\u002Fwebsocket\u003C\u002Fa>\u003C\u002Fp>\u003Cp class=\"p4\"> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>Steps to Enable Compression\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp class=\"p3\">1. Use EnableCompression to activate compression.\u003C\u002Fp>\u003Cp class=\"p3\">2. Use SetCompressionLevel to specify the level of compression.\u003C\u002Fp>\u003Cp class=\"p3\">In this example :\u003C\u002Fp>\u003Cp class=\"p3\">Enable compression with EnableCompression: true.\u003C\u002Fp>\u003Cp class=\"p3\">WebSocket will automatically compress data when sending messages between the server and client.\u003C\u002Fp>\u003Cp class=\"p3\">Example of Enabling Compression on WebSocket Server\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext\">package main\n\nimport (\n    \"log\"\n    \"net\u002Fhttp\"\n\n    \"github.com\u002Fgorilla\u002Fwebsocket\"\n)\n\nvar upgrader = websocket.Upgrader{\n    CheckOrigin: func(r *http.Request) bool {\n        return true\n    },\n    EnableCompression: true, \u002F\u002F เปิดใช้งาน Compression\n}\n\nfunc handleConnections(w http.ResponseWriter, r *http.Request) {\n    conn, err := upgrader.Upgrade(w, r, nil)\n    if err != nil {\n        log.Println(\"Error upgrading connection:\", err)\n        return\n    }\n    defer conn.Close()\n\n    log.Println(\"New client connected\")\n\n    for {\n        _, msg, err := conn.ReadMessage()\n        if err != nil {\n            log.Println(\"Error reading message:\", err)\n            break\n        }\n        log.Printf(\"Received: %s\", msg)\n\n        if err := conn.WriteMessage(websocket.TextMessage, msg); err != nil {\n            log.Println(\"Error writing message:\", err)\n            break\n        }\n    }\n}\n\nfunc main() {\n    http.HandleFunc(\"\u002Fws\", handleConnections)\n\n    log.Println(\"WebSocket server with compression started at :8080\u002Fws\")\n    http.ListenAndServe(\":8080\", nil)\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>Configuring Compression Level\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp class=\"p3\">To adjust the level of compression, you can use SetCompressionLevel from the compress\u002Fflate package: Recommended compression levels :\u003C\u002Fp>\u003Cp class=\"p3\">\u003Ci>flate.BestSpeed: for fast compression\u003C\u002Fi>\u003C\u002Fp>\u003Cp class=\"p3\">\u003Ci>flate.BestCompression: for maximum compression\u003C\u002Fi>\u003C\u002Fp>\u003Cp class=\"p3\">\u003Ci>flate.DefaultCompression: for standard setting\u003C\u002Fi>\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext\">import \"compress\u002Fflate\"\n\n\u002F\u002F ตั้งค่าระดับการบีบอัด\nconn.SetCompressionLevel(flate.BestCompression) \u002F\u002F บีบอัดสูงสุด\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>Enabling Compression on WebSocket Client\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp class=\"p3\">The WebSocket Client must also support compression. In the JavaScript WebSocket API, automatic compression is supported if the server has it enabled.\u003C\u002Fp>\u003Cp class=\"p3\">Client-side code example :\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext\">const socket = new WebSocket(\"ws:\u002F\u002Flocalhost:8080\u002Fws\");\n\nsocket.onopen = () => {\n    console.log(\"Connected to server with compression\");\n    socket.send(\"Hello from client!\");\n};\n\nsocket.onmessage = (event) => {\n    console.log(\"Received:\", event.data);\n};\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>Checking Compression\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp class=\"p3\">1. Using Wireshark or DevTools\u003C\u002Fp>\u003Cp class=\"p3\">Use Wireshark to capture packet data and observe the data size. Use the Developer Tools of the browser to inspect WebSocket traffic.\u003C\u002Fp>\u003Cp class=\"p3\">2. Logging Message Size Before and After Compression\u003C\u002Fp>\u003Cp class=\"p3\">You can log the message size to see the results of the compression :\u003C\u002Fp>\u003Cp class=\"p3\">Example :\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext\">log.Printf(\"Original size: %d bytes\", len(originalMessage))\nlog.Printf(\"Compressed size: %d bytes\", len(compressedMessage))\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp class=\"p3\">\u003Cstrong>In Summary\u003C\u002Fstrong>\u003C\u002Fp>\u003Cul class=\"ul1\">\u003Cli class=\"li3\">Compression helps reduce data size and increase communication speed.\u003C\u002Fli>\u003Cli class=\"li3\">Use EnableCompression to activate compression on WebSocket.\u003C\u002Fli>\u003Cli class=\"li3\">Adjust the compression level with SetCompressionLevel to suit your needs.\u003C\u002Fli>\u003C\u002Ful>","22_11zon_iiiid4voci.webp","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclblg987654321\u002Fjt8d4wlbf0lgiay\u002F22_11zon_iiiid4voci.webp","2026-03-04 08:34:15.561Z","",{"keywords":15,"locale":98,"school_blog":108},[16,23,28,33,38,43,48,53,58,63,68,73,78,83,88,93],{"collectionId":17,"collectionName":18,"created":19,"created_by":13,"id":20,"name":21,"updated":22,"updated_by":13},"sclkey987654321","school_keywords","2026-03-04 08:20:11.547Z","ey3puyme01a9bsw","Go","2026-04-10 16:07:25.893Z",{"collectionId":17,"collectionName":18,"created":24,"created_by":13,"id":25,"name":26,"updated":27,"updated_by":13},"2026-03-04 08:20:14.253Z","ah6lvy4x8qe08l5","Golang","2026-04-10 16:07:26.172Z",{"collectionId":17,"collectionName":18,"created":29,"created_by":13,"id":30,"name":31,"updated":32,"updated_by":13},"2026-03-04 08:33:59.315Z","btmgtfwmgpke1aa","Go language","2026-04-10 16:08:04.625Z",{"collectionId":17,"collectionName":18,"created":34,"created_by":13,"id":35,"name":36,"updated":37,"updated_by":13},"2026-03-04 08:32:51.346Z","tmzmy6jyz1n35rr","Go Programming","2026-04-10 16:08:01.434Z",{"collectionId":17,"collectionName":18,"created":39,"created_by":13,"id":40,"name":41,"updated":42,"updated_by":13},"2026-03-04 08:34:06.204Z","uki2mmns85up9uf","Compression","2026-04-10 16:08:07.193Z",{"collectionId":17,"collectionName":18,"created":44,"created_by":13,"id":45,"name":46,"updated":47,"updated_by":13},"2026-03-04 08:34:00.920Z","ecac9y661or1xka","WebSocket","2026-04-10 16:08:05.227Z",{"collectionId":17,"collectionName":18,"created":49,"created_by":13,"id":50,"name":51,"updated":52,"updated_by":13},"2026-03-04 08:34:13.280Z","whk6qyji34xht0i","Reduce Data Size","2026-04-10 16:08:09.751Z",{"collectionId":17,"collectionName":18,"created":54,"created_by":13,"id":55,"name":56,"updated":57,"updated_by":13},"2026-03-04 08:34:15.036Z","b07ruyf67422fe0","Increase Speed","2026-04-10 16:08:10.461Z",{"collectionId":17,"collectionName":18,"created":59,"created_by":13,"id":60,"name":61,"updated":62,"updated_by":13},"2026-03-04 08:34:12.223Z","mbdm8vvumxwfnzi","Per-Message Deflate","2026-04-10 16:08:09.345Z",{"collectionId":17,"collectionName":18,"created":64,"created_by":13,"id":65,"name":66,"updated":67,"updated_by":13},"2026-03-04 08:32:15.843Z","m0x7wo77i8iycf1","Programming Education","2026-04-10 16:07:51.675Z",{"collectionId":17,"collectionName":18,"created":69,"created_by":13,"id":70,"name":71,"updated":72,"updated_by":13},"2026-03-04 08:31:22.575Z","lfjse4xivbgg5wu","Practice programming","2026-04-10 16:07:39.541Z",{"collectionId":17,"collectionName":18,"created":74,"created_by":13,"id":75,"name":76,"updated":77,"updated_by":13},"2026-03-04 08:32:26.073Z","vnvj1oaxje9m1q8","programming for beginners","2026-04-10 16:07:54.133Z",{"collectionId":17,"collectionName":18,"created":79,"created_by":13,"id":80,"name":81,"updated":82,"updated_by":13},"2026-03-04 08:31:49.362Z","2m9vv13etpn6zkx","programming language","2026-04-10 16:07:45.606Z",{"collectionId":17,"collectionName":18,"created":84,"created_by":13,"id":85,"name":86,"updated":87,"updated_by":13},"2026-03-04 08:20:33.316Z","ln1ntwattzmxo0o","programming","2026-04-10 16:07:27.299Z",{"collectionId":17,"collectionName":18,"created":89,"created_by":13,"id":90,"name":91,"updated":92,"updated_by":13},"2026-03-04 08:31:54.955Z","264sfjffyhspetq","programmers","2026-04-10 16:07:47.221Z",{"collectionId":17,"collectionName":18,"created":94,"created_by":13,"id":95,"name":96,"updated":97,"updated_by":13},"2026-03-04 08:26:59.195Z","gab60xd583s3qaw","Superdev School","2026-04-10 16:07:37.087Z",{"code":99,"collectionId":100,"collectionName":101,"created":102,"flag":103,"id":104,"is_default":105,"label":106,"updated":107},"en","pbc_1989393366","locales","2026-01-22 11:00:02.726Z","twemoji:flag-united-states","qv9c1llfov2d88z",false,"English","2026-04-10 15:42:46.825Z",{"category":109,"collectionId":110,"collectionName":111,"expand":112,"id":126,"views":127},"wqxt7ag2gn7xcmk","pbc_2105096300","school_blogs",{"category":113},{"blogIds":114,"collectionId":115,"collectionName":116,"created":117,"created_by":13,"id":109,"image":118,"image_alt":13,"image_path":119,"label":120,"name":121,"priority":122,"publish_at":123,"scheduled_at":13,"status":124,"updated":125,"updated_by":13},[],"sclcatblg987654321","school_category_blogs","2026-03-04 08:33:53.210Z","59ty92ns80w_15oc1implw.png","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclcatblg987654321\u002Fwqxt7ag2gn7xcmk\u002F59ty92ns80w_15oc1implw.png",{"en":121,"th":121},"Golang The Series",1,"2026-03-16 04:39:38.440Z","published","2026-04-25 02:32:15.470Z","hrfm5ckin5944zv",274,"jt8d4wlbf0lgiay",[20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95],"2025-01-27 04:41:25.495Z","Learn about implementing Compression on WebSocket to reduce data size transmitted over the network and enhance communication efficiency in your system.","compression-websocket-go","2026-04-25 02:47:30.326Z",{"en":132}]