[{"data":1,"prerenderedAt":275},["ShallowReactive",2],{"page-content:zh-TW:wifi-speed-test":3},{"home":4,"toolExplainer":90,"guide":273,"guideTitles":274,"legal":273},{"map":5,"banner":86,"eyebrow":89},{"Test at different times, including the busy evening period. One run can be affected by short-lived congestion or background activity.":6,"Compare like with like":7,"Use the same device, location, connection type, and node when comparing results. Record download, upload, ping, and jitter together.":8,"Read all four metrics":9,"Understanding Your Speed Test Results":10,"Download speed":11,"How quickly data reaches your device. It affects streaming, web browsing, app downloads, and receiving large files.":12,"Upload speed":13,"How quickly your device sends data. It matters for video calls, cloud backups, livestreaming, and sharing files.":14,"Ping":15,"The HTTP round-trip time between this browser and the test node. Lower latency generally makes interactive tasks feel more responsive.":16,"Jitter":17,"Variation between consecutive latency samples. Lower and steadier jitter is helpful for voice, video calls, and online play.":18,"Use matters more than one magic number":19,"What Is a Good Internet Speed?":20,"A good speed is one that supports every active device with some headroom. Service requirements vary by provider, video quality, household size, Wi-Fi conditions, and upload demand.":21,"Activity":22,"Practical starting point":23,"What else matters":24,"Browsing and email":25,"About 5–10 Mbps per active user":26,"Latency and page complexity":27,"HD video":28,"3–5 Mbps per stream":29,"Stable sustained download":30,"4K video":31,"15 Mbps or more per stream":32,"Provider and video quality":33,"HD video meetings":34,"About 2–4 Mbps up and down":35,"Upload, ping, jitter, and packet loss":36,"Online gaming":37,"Usually modest throughput":38,"Low latency, low jitter, and stability":39,"Multi-device home":40,"Add concurrent demand plus headroom":41,"Router capacity and Wi-Fi coverage":42,"Reference points include Netflix's current":43,"streaming recommendations":44,"and Zoom's":45,"meeting bandwidth requirements":46,". They are service-specific recommendations, not universal guarantees.":47,"Troubleshoot the path":48,"Why Is My Internet So Slow?":49,"Slow results can come from the internet service, local Wi-Fi, the router, the test device, congestion, or the remote service. Isolate one layer at a time.":50,"Compare Wi-Fi with Ethernet.":51,"A large difference points toward wireless coverage, interference, or router limits.":52,"Move closer to the router.":53,"Walls, distance, and crowded channels can reduce Wi-Fi throughput.":54,"Pause other traffic.":55,"Backups, updates, streaming, and other users share the same capacity.":56,"Restart and update equipment.":57,"Reboot the modem\u002Frouter and check whether its firmware and hardware support the subscribed tier.":58,"Test at several times.":59,"Repeatable evening slowdowns may indicate local or provider-side congestion.":60,"Go deeper":61,"Related Guides":62,"View all guides →":63,"Read the guide →":64,"Common questions":65,"Frequently Asked Questions":66,"Why is my speed test result lower than my internet plan?":67,"Plans are often advertised as “up to” a rate. Wi-Fi conditions, shared traffic, device limits, protocol overhead, congestion, and the route to the test node can all reduce a browser result.":68,"Does this test measure my Wi-Fi signal strength?":69,"No. It measures internet throughput and HTTP latency over whichever connection the device is using. Browsers do not expose router radio strength or channel quality to this page.":70,"Is the ping result an ICMP ping?":71,"No. SpeedTestLab measures HTTP round-trip time to its test endpoint after a warmup request. System ICMP tools can produce different results.":72,"How often should I run a speed test?":73,"Run several tests when investigating a problem: at different times, on Wi-Fi and Ethernet if available, and before and after changing equipment or settings.":74,"Why is my internet so slow?":49,"What is a good internet speed?":75,"Download speed vs. upload speed":76,"How to lower ping":77,"A more reliable result":78,"How to Test Your Internet Speed":79,"A speed test is a snapshot of this device's connection to the selected test node. A few simple checks make that snapshot more useful.":80,"Pause heavy traffic":81,"Stop large downloads, cloud backups, and 4K streams on this device and, when possible, on other devices sharing the connection.":82,"Use the connection you want to check":83,"Stay on Wi-Fi to assess your current Wi-Fi experience. Use Ethernet to reduce wireless interference when checking the internet service itself.":84,"Run the test more than once":85},"更可靠的測試結果\n\n如何測試您的網速\n\n速度測試會記錄此設備與所選測試節點的連線狀態。一些簡單的檢查可以使該快照更有用。\n\n暫停高流量\n\n停止此裝置上的大型下載、雲端備份和 4K 串流媒體播放，並在可能的情況下，停止共享此連接的其他裝置上的類似操作。\n\n使用您要測試的連接\n\n使用 Wi-Fi 連線來評估您目前的 Wi-Fi 體驗。在測試網路服務本身時，使用乙太網路連線可以減少無線幹擾。\n\n多次運行測試\n\n在不同的時間段進行測試，包括繁忙的晚間時段。單次測試結果可能受到短暫網路擁塞或後台活動的影響。","進行同類比較","比較結果時，請使用相同的裝置、位置、連線類型和節點。同時記錄下載速度、上傳速度、ping 值和抖動。","讀取所有四項指標","了解您的速度測試結果","下載速度","數據到達您設備的速度。它會影響串流媒體播放、網頁瀏覽、應用程式下載和接收大檔案。","上傳速度","您的設備發送資料的速度。它對視訊通話、雲端備份、直播和文件共享至關重要。","Ping","此瀏覽器與測試節點之間的 HTTP 往返時間。較低的延遲通常會使互動式任務的反應速度更快。","抖動","連續延遲樣本之間的變化。更低且更穩定的抖動有助於語音通話、視訊通話和線上遊戲。","實際使用情況比一個神奇的數字更重要","什麼樣的網速才算好？","好的網速是指能夠支援所有正在運作的設備並留有一定的餘裕。服務要求因服務提供者、視訊品質、家庭規模、Wi-Fi 狀況和上傳需求而異。","活動","實際起點","其他重要因素","瀏覽和電子郵件","每個活躍用戶約 5–10 Mbps","延遲和頁面複雜度","高畫質影片","每個視訊串流 3–5 Mbps","穩定持續下載","4K 視頻","每個視訊串流 15 Mbps 或更高","提供者和視頻質量","高畫質視訊會議","上下行速度約 2–4 Mbps","上傳速度、延遲、抖動和丟包率","線上遊戲","通常吞吐量適中","低延遲、低抖動和穩定性","多設備家庭","增加並發需求和餘裕","路由器容量和 Wi-Fi 覆蓋範圍","參考點包括 Netflix 目前的","串流媒體推薦","以及Zoom 的","滿足頻寬要求","這些是針對特定服務的建議，並非普遍保證。","排查網路路徑問題","為什麼我的網路速度這麼慢？","網速慢可能來自網際網路服務、本機 Wi-Fi、路由器、測試設備、網路擁塞或遠端服務。請逐層排查。","比較 Wi-Fi 和乙太網路連線。","如果兩者差異很大，則可能存在無線覆蓋範圍不足、幹擾或路由器限制等問題。","靠近路由器。","牆壁、距離和擁擠的頻道都會降低 Wi-Fi 吞吐量。","暫停其他流量。","備份、更新、串流媒體和其他用戶共享相同的頻寬。","重新啟動並更新設備。","重新啟動調變解調器\u002F路由器，並檢查其韌體和硬體是否支援所訂閱的套餐。","多次測試。","反覆出現的夜間網速下降可能表示本地或營運商網路擁塞。","深入了解","相關指南","看全部指南 →","閱讀指南 →","常見問題","常見問題解答","為什麼我的測速結果低於我的網路套餐速度？","套餐通常以“最高可達”速率進行宣傳。 Wi-Fi 狀況、共享流量、設備限制、協定開銷、網路擁塞以及到測試節點的路由都會影響瀏覽器的測試結果。","此測試是否測量我的 Wi-Fi 訊號強度？","否。它測量的是設備目前使用的連接的互聯網吞吐量和 HTTP 延遲。瀏覽器不會向此頁面顯示路由器的無線電強度或頻道品質。","ping 結果是 ICMP ping 嗎？","否。 SpeedTestLab 測量的是預熱請求後到其測試端點的 HTTP 往返時間。系統 ICMP 工具可能會產生不同的結果。","我應該多久進行一次速度測試？","排查問題時，請進行多項測試：在不同時間進行測試，如果可用，分別使用 Wi-Fi 和乙太網路連線進行測試，並在更換裝置或設定前後進行測試。","怎樣的網速才算好？","下載速度與上傳速度","如何降低延遲（ping 值）","更可靠的結果","如何測試您的網速","速度測試會記錄該設備與所選測試節點之間的連線狀態。一些簡單的檢查可以使該快照更有用。","暫停大量網路流量","停止在此裝置上進行大型下載、雲端備份和 4K 串流媒體播放，並儘可能停止與此裝置共用連接的其他裝置上的此類操作。","使用您要檢查的連接","請保持 Wi-Fi 連線以評估您目前的 Wi-Fi 體驗。在檢查網路服務本身時，請使用乙太網路連線以減少無線幹擾。","多次運行測試",{"title":87,"description":88,"link":64},"了解您的網路速度","了解測試結果的含義、怎樣的網速才算好，以及如何改善您的網路連線。","SpeedTestLab 網路測試工具",{"headings":91,"details":96},{"what":92,"how":93,"result":94,"limit":95,"faq":66},"這個工具測量什麼？","如何使用？","如何解讀結果？","技術限制是什麼？",{"wifi-speed-test":97,"download-speed-test":113,"upload-speed-test":129,"ping-test":145,"jitter-test":161,"packet-loss-test":177,"internet-stability-test":193,"network-quality-test":209,"speed-unit-converter":225,"download-time-calculator":241,"speed-test-history":257},{"what":98,"how":99,"result":104,"limit":105,"faqs":106},"WiFi 速度測試測量的是此裝置所用連接的網路吞吐量。它無法讀取訊號強度、通道擁塞情況或路由器報告的無線電速率。",[100,101,102,103],"保持連線到您要測試的 Wi-Fi 網路。","暫停此裝置上的大型傳輸，然後執行測試。","在路由器附近重複上述步驟，然後在出現問題的房間重複上述步驟。","如果可以使用以太網，請將其與 Wi-Fi 進行比較，以區分 Wi-Fi 限制和服務限制。","下載和上傳速度顯示實際的網路吞吐量。 H​​TTP ping 和抖動顯示此節點的響應速度和穩定性。 Wi-Fi 與乙太網路速度差距較大通常表示本地無線路徑有問題。","瀏覽器只能看到活動的網路路徑。它不知道存取點、頻段、通道、訊號強度或協商的 Wi-Fi 連結速率。",[107,110],{"q":108,"a":109},"為什麼 Wi-Fi 比乙太網路慢？","距離、牆壁、幹擾、共享的空中資源、較舊的客戶端硬體以及路由器容量都會降低 Wi-Fi 吞吐量。",{"q":111,"a":112},"我應該在 2.4 GHz 還是 5 GHz 頻段上進行測試？","測試您常用的頻段。一般來說，2.4 GHz 頻段覆蓋範圍較廣，而 5 GHz 頻段在較短距離內可提供較大的容量，但實際結果取決於裝置和環境。",{"what":114,"how":115,"result":120,"limit":121,"faqs":122},"此下載速度測試會記錄 SpeedTestLab 節點接收到的真實、未快取的 HTTP 回應位元組數。瀏覽器會根據接收到的位元組數和經過的時間計算出十進位兆位元每秒 (Mbps)。",[116,117,118,119],"暫停共享連線的下載和串流播放。","開始測試並保持此標籤頁處於活動狀態。","運行兩到三次測試，而不是只依賴一次短樣本。","比較同一設備和節點在不同時間的測試結果。","更高的 Mbps 意味著此瀏覽器每秒從該節點接收的資料量更多。串流媒體播放和大檔案下載依賴持續的下載速度，而網頁瀏覽也可能受到延遲和伺服器回應時間的限制。","瀏覽器傳輸速度快並不能保證 ISP 套餐的速度或所有服務的效能。設備、Wi-Fi、網路擁塞、路由和節點容量都可能影響結果。",[123,126],{"q":124,"a":125},"為什麼每次測試的下載速度都會改變？","短期網路擁塞、Wi-Fi 狀況、後台活動、路由和設備負載都會改變。請在相似條件下進行多次測試並比較結果。",{"q":127,"a":128},"高下載速度是否能保證流暢播放 4K 影片？","不。它確實能提供一些可用容量，但串流媒體服務、持續穩定性、Wi-Fi、設備和並發流量也同樣重要。",{"what":130,"how":131,"result":136,"limit":137,"faqs":138},"上傳測試會在瀏覽器中建立臨時隨機位元組並將其傳送到測試端點。它不會選擇或上傳您的個人文件。",[132,133,134,135],"暫停雲端備份和檔案同步。","開始上傳測試。","保持標籤頁打開，直到伺服器確認接收的位元組數。","如果您正在調查通話、備份或直播問題，請重複此操作。","上傳速度（Mbps）會影響您發送檔案的速度以及可用於視訊會議、雲端備份和即時視訊的出站容量。","此結果涵蓋目前到此節點的路由。伺服器位元組數必須與產生的有效負載匹配，否則測試將失敗，而不是保留誤導性的數字。",[139,142],{"q":140,"a":141},"上傳測試會發送我的文件嗎？","不會。它只發送生成的測試數據。",{"q":143,"a":144},"為什麼上​​傳速度比下載速度慢？","許多住宅套餐的設計本身就是不對稱的。 Wi-Fi、後台備份、網路擁塞和運營商配置等因素都可能擴大上傳速度和下載速度之間的差異。",{"what":146,"how":147,"result":152,"limit":153,"faqs":154},"此頁面測量到 SpeedTestLab 端點的 HTTP 往返時間。它會丟棄一個預熱請求，並報告剩餘樣本的中位數。這不是 ICMP ping 測試。",[148,149,150,151],"暫停可能佔用大量連線的流量。","開始測試。","查看 HTTP 延遲和抖動的中位數。","在空閒狀態和正常使用狀態下重複測試，以比較反應速度。","更低的延遲通常會讓通話、遠端桌面和線上遊戲的反應更快。抖動表示連續採樣之間的變化程度。","瀏覽器 HTTP 延遲包括連線和應用層的工作。系統 ICMP 工具和遊戲伺服器的延遲可能有所不同，因為它們使用不同的協定和目標位址。",[155,158],{"q":156,"a":157},"這和 ping 指令一樣嗎？","不一樣。作業系統 ping 指令通常使用 ICMP。而此瀏覽器測試使用 HTTP 請求。",{"q":159,"a":160},"怎樣的 ping 值才算好？","沒有統一的標準。一般來說，延遲越低越穩定越好，而您實際使用的服務的延遲才是最重要的。",{"what":162,"how":163,"result":168,"limit":169,"faqs":170},"抖動是指延遲的變化。 SpeedTestLab 計算連續 HTTP 往返採樣之間的平均絕對差值。",[164,165,166,167],"使用您要評估的連接。","暫停高負載傳輸。","開始測試並等待所有延遲樣本完成。","在通話或遊戲感覺不穩定的情況下重複測試。","即使平均值較低，也可能掩蓋偶爾出現的峰值，因此請將抖動與個人體驗進行比較並重複測試。語音和即時視訊通常更傾向於穩定的時間。","這是到單一節點的 HTTP 延遲變化，而不是語音通話中的封包級 RTP 抖動，也不是到每個遊戲伺服器的測量值。",[171,174],{"q":172,"a":173},"ping 值低時，抖動會很高嗎？","是的。平均延遲可能很低，但單一樣本的延遲變化可能很大。",{"q":175,"a":176},"如何降低抖動？","暫停競爭上傳操作，透過乙太網路進行測試，改善 Wi-Fi 覆蓋範圍，並檢查問題是否僅在繁忙時段出現。",{"what":178,"how":179,"result":184,"limit":185,"faqs":186},"普通網頁無法傳送任意 ICMP 回顯封包。因此，此工具會將失敗的 HTTP 探測報告為應用層路徑診斷，而不會將其標記為 IP 層丟包。",[180,181,182,183],"啟動探測序列。","在所有請求運行期間保持標籤頁處於活動狀態。","將失敗的探測與 HTTP 延遲和抖動一起查看。","當需要真正的 ICMP 或介面統計資料時，請使用作業系統或路由器診斷工具。","HTTP 探測失敗表示請求在此瀏覽器測試中未成功完成。這可能是由連接性問題、逾時、伺服器問題、瀏覽器問題或速率限制等原因造成的。","HTTP 探測失敗與網路層丟包率不可互換。 SpeedTestLab 不會偽造 ICMP 結果。",[187,190],{"q":188,"a":189},"瀏覽器可以測量真正的丟包率嗎？","無法測量到任意主機的 ICMP 丟包率。專門的 WebRTC 測試可以測量其自身媒體會話內的丟包率，但這屬於不同的範疇。",{"q":191,"a":192},"我應該使用什麼來測量真實的丟包率？","使用可信任的作業系統工具、路由器診斷工具或專為特定即時會話設計的測試工具。",{"what":194,"how":195,"result":200,"limit":201,"faqs":202},"預設情況下，穩定性測試每 500 毫秒對 HTTP 往返時間進行一次取樣，持續 30 秒。它會總結這段短時間內的延遲變更和失敗請求。",[196,197,198,199],"首先暫停其他流量以建立基準。","讓 30 秒的窗口期結束，或隨時停止測試。","在正常的家庭負載下重複測試。","盡可能比較有線和 Wi-Fi 連線下的測試結果。","穩定的採樣結果表明，在測試視窗期內，到該節點的路徑穩定。峰值或故障需要重複測試並進行比較；它們本身並不能確定故障設備或網路。","30 秒的測試時間無法證明長期可靠性。為了控制流量和資源使用，最大支援持續時間為 120 秒。",[203,206],{"q":204,"a":205},"穩定性測試運行多久？","預設值為 30 秒。系統會將運作時間限制在 120 秒以內。",{"q":207,"a":208},"我可以停止測試嗎？","可以。 「停止」操作會取消正在進行的請求，並將已完成的部分測量結果保留在螢幕上。",{"what":210,"how":211,"result":216,"limit":217,"faqs":218},"此工具執行完整的 HTTP 測試，並根據下載、上傳、ping 和抖動產生一個參考分數。這是一個方便的摘要，並非權威的診斷報告。",[212,213,214,215],"在沒有大量後台流量的情況下執行完整測試。","請先查看所有四項原始測量結果。","僅將此分數用作快速概覽。","在相似條件下進行重複測試，並進行比較。","評分權重為：下載速度最高 40 分，上傳速度最高 20 分，HTTP ping 值最高 25 分，抖動最高 15 分。缺失的指標不計分，而是使用猜測值。","這些閾值是面向一般消費者的參考值。它們並未考慮所有應用程式、服務、路由、資料上限、丟包情況或 ISP 的承諾。",[219,222],{"q":220,"a":221},"品質評分是業界標準嗎？","不是。這是 SpeedTestLab 的透明參考計算方法。",{"q":223,"a":224},"為什麼部分測驗後沒有評分？","所有四項必需的測量值都必須存在。網站不會用零值或虛構值來取代缺少的資料。",{"what":226,"how":227,"result":232,"limit":233,"faqs":234},"轉換器使用十進位 SI 前綴在位元率和位元組率單位之間進行轉換。一個位元組等於 8 位，因此 100 Mbps 等於 12.5 MB\u002Fs（未考慮協定和服務開銷）。",[228,229,230,231],"輸入一個非負值。","選擇源單位。","選擇目標單位。","如有需要，複製轉換後的結果。","小寫字母 b 表示比特；大寫字母 B 表示位元組。網路套餐通常使用 Mbps，而檔案傳輸通常顯示 MB\u002Fs。","單位轉換在規定的十進制約定下是精確的，但它無法預測實際下載速度或考慮開銷。",[235,238],{"q":236,"a":237},"100 Mbps 等於多少 MB\u002Fs？","12.5 MB\u002Fs（使用十進位 SI 單位），未考慮傳輸開銷。",{"q":239,"a":240},"Kbps 和 KB\u002Fs 一樣嗎？","不一樣。 KB\u002Fs 是千位元組每秒，是千位元每秒等效數值速率的八倍。",{"what":242,"how":243,"result":248,"limit":249,"faqs":250},"計算器透過將檔案大小（以位元為單位）除以傳輸速度（以位元每秒為單位）來估算理論傳輸時間。",[244,245,246,247],"輸入檔案大小及其單位。","輸入測量或計畫的連線速度。","選擇速度單位。","請參考理論下載時間，並預留額外時間以應對實際下載過程中的各種開銷。","此估算值最適用於比較檔案大小和下載速率。最近實際測量的下載速度通常比套餐中的最大速度更接近實際情況。","由於開銷、Wi-Fi、伺服器限制、網路擁塞、暫停以及下載過程中的速度變化等原因，實際傳輸速度可能會更慢。",[251,254],{"q":252,"a":253},"為什麼我的實際下載時間更長？","此公式假設可用速率恆定。實際傳輸包含協定開銷，並且通常會隨時間變化。",{"q":255,"a":256},"我該輸入 Mbps 還是 MB\u002Fs？","請使用顯示的單位來計算您的下載速度。計算器會在計算前轉換支援的位元率和位元組率。",{"what":258,"how":259,"result":264,"limit":265,"faqs":266},"速度測試歷史記錄會將已完成的測量結果儲存在此瀏覽器的本機儲存中。這些記錄不會上傳到 SpeedTestLab 帳戶。",[260,261,262,263],"運行受支援的速度測試。","在同一瀏覽器和裝置上開啟此頁面。","查看或將本機記錄匯出為 CSV 檔案。","如果您不再需要這些記錄，請刪除單一記錄或清除清單。","比較測試結果可以揭示一天中的時間或位置模式，但在得出結論之前，請使用類似的設備、節點和連接類型。","清除網站資料、使用隱私瀏覽模式、變更瀏覽器設定檔或切換裝置可能會刪除或隱藏此本機歷史記錄​​。",[267,270],{"q":268,"a":269},"我的瀏覽紀錄上傳了嗎？","沒有。它保留在此瀏覽器的本機儲存中。",{"q":271,"a":272},"為什麼我在其他裝置上的瀏覽記錄是空的？","沒有帳戶同步。每個瀏覽器設定檔都保留自己的本機記錄。",null,[],1793775155026]