🛸 動態殘影 (Motion Blur) 怎麼看？
🛸 How to check Motion Blur?
此測試模擬物體在螢幕上高速水平移動。觀察綠色方塊（原生刷新率）的邊緣是否保持銳利：在 144Hz 以上的螢幕，方塊拖尾應幾乎不可見；若邊緣模糊或出現明顯殘影，代表螢幕的 GtG（灰階轉換）反應時間跟不上刷新率，或是系統根本未正確輸出高刷新率訊號。
This test simulates objects moving horizontally at high speed. Observe if the edges of the green box (native refresh rate) remain sharp. On a 144Hz+ monitor, trailing should be almost invisible. If the edges are blurry or have severe ghosting, it means the monitor's GtG (Gray-to-Gray) response time cannot keep up with the refresh rate, or the system isn't outputting a high refresh rate signal correctly.
📐 如何確認螢幕真的跑在高刷新率？
📐 How to confirm the monitor is running at a high refresh rate?
右上角的 FPS 數值即為目前瀏覽器實際收到的刷新率。若您的螢幕設定為 144Hz，但此處顯示 60，代表作業系統顯示設定（Windows 顯示設定 → 進階顯示設定 → 更新頻率）尚未切換，或您使用的是 HDMI 1.4 連接線（上限 60Hz），需換用 DisplayPort 或 HDMI 2.0 以上的線材。
The FPS value in the top right is the actual refresh rate received by the browser. If your monitor is set to 144Hz but it shows 60 here, your OS display settings haven't been changed (Windows Settings → Advanced display settings → Refresh rate), or you're using an HDMI 1.4 cable (capped at 60Hz). Switch to a DisplayPort or HDMI 2.0+ cable.
為什麼 60Hz 看起來很卡？
Why does 60Hz look stuttery?
這是正常的視覺適應現象。人眼習慣高刷新率後，回頭看 60Hz 會明顯感受到每幀之間的「視覺跳動」。對比測試中，藍色方塊模擬 60Hz、橘色模擬 30Hz——透過比較，您能直觀判斷當前螢幕的流暢度層級。
This is normal visual adaptation. Once your eyes get used to high refresh rates, looking back at 60Hz will make you noticeably feel the "visual jumps" between frames. In the comparison, the blue box simulates 60Hz and the orange simulates 30Hz. This comparison helps you intuitively judge your current monitor's smoothness.
⚫ 如何有系統地檢查壞點與漏光？
⚫ How to systematically check for dead pixels and backlight bleeding?
建議依序使用以下顏色全螢幕檢查，每個畫面停留 10–20 秒讓眼睛適應：
We recommend checking in fullscreen with the following colors sequentially, staying on each for 10–20 seconds to let your eyes adapt:
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全黑Pure Black：
在暗處找亮點（亮點壞點）；並在螢幕四角觀察是否有角落漏光（IPS Glow）
Look for bright dots in the dark (stuck pixels); check the four corners for backlight bleeding (IPS Glow).
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全白Pure White：
找恆黑的暗點，以及畫面中央是否有雲狀不均勻（Clouding）
Look for permanently dark dots (dead pixels) and check the center for clouding (uneven backlight).
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紅 / 綠 / 藍Red / Green / Blue：
找僅在單色下才出現的次像素壞點，以及色彩均勻度
Look for sub-pixel defects that only appear under single colors, and check overall color uniformity.
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青色 (Cyan)Cyan：
同時覆蓋綠與藍通道，更容易發現複合壞點
Covers both green and blue channels, making it easier to spot composite dead pixels.
ISO 13406-2 標準將壞點分為三級，一般消費級螢幕在交貨後允許 1–5 個 Class 1/2 壞點，但各品牌保固政策不同，購買前建議確認退換貨條款。
The ISO 13406-2 standard classifies pixel defects into three classes. General consumer monitors allow 1-5 Class 1/2 defects after delivery. Warranty policies vary by brand, so check the return policy before purchasing.
如何退出全螢幕？
How to exit fullscreen?
按 ESC 鍵退出。亦可點擊螢幕任意位置循環切換下一個測試顏色，無需返回主頁面。
Press the ESC key to exit. You can also click anywhere on the screen to cycle to the next test color without returning to the main page.
🕳️ 如何檢查燒屏（Burn-in）？
🕳️ How to check for burn-in?
使用下方的「燒屏 / 殘影檢查」圖樣：把螢幕亮度調到最低，觀察黑色背景上是否隱約可見視窗框、工作列或準星的淡影。若有固定形狀的殘留，代表該區域像素已永久衰減（燒屏）；若只是短暫的影像殘留且幾秒後消失，屬於正常的視覺暫留現象。
Use the Burn-in / Ghosting Check patterns below: set brightness to minimum and look for faint outlines of the window frame, taskbar or crosshair on the black background. Fixed residual shapes mean permanent pixel degradation (burn-in); a brief afterimage that fades within seconds is normal persistence.
🎨 色域覆蓋率代表什麼？
🎨 What does Color Gamut Coverage mean?
色域決定螢幕能顯示的顏色範圍。sRGB 是網頁與遊戲的標準基準（約 72% NTSC）；DCI-P3 廣泛用於電影與現代手機螢幕，色彩更飽和；Adobe RGB 主要用於印前設計，綠色空間特別寬廣。若您從事設計、修圖工作，建議選購 P3 覆蓋率 95% 以上的螢幕。
Color gamut determines the range of colors a monitor displays. sRGB is the baseline for web and games (~72% NTSC); DCI-P3 is widely used in movies and modern phones, offering more saturated colors; Adobe RGB is mainly for pre-press design with a very wide green space. For design work, a monitor with 95%+ P3 coverage is recommended.
為什麼看不到 P3 色域的隱藏圖形？
Why can't I see the hidden P3 gamut shape?
P3（圓形）與 Adobe RGB（三角形）的第 10 格使用超出 sRGB 的純廣色域色彩。若螢幕或作業系統未支援廣色域，這些圖形會與背景融為一體而看不見。macOS 用戶請確認「系統設定 → 顯示器 → 色彩設定」開啟 HDR 或 P3 模式；Windows 用戶需在 Chrome/Edge 設定中啟用「色彩管理」。
The 10th box of P3 (circle) and Adobe RGB (triangle) uses pure wide-gamut colors outside the sRGB space. If your monitor or OS doesn't support wide gamuts, these shapes will blend into the background. macOS users should ensure HDR or P3 mode is enabled in Display Settings; Windows users need to enable "Color Management" in their browser flags.
對比度方塊怎麼判讀？
How to read the contrast boxes?
sRGB 測試中，能看到 90% 以上的格子出現內部圖形，代表螢幕具備良好的對比度與伽馬曲線。若在第 1–2 格（極深或極亮的細節）看不出差異，代表螢幕的暗部或亮部壓縮過重，可嘗試在 OSD 選單調低亮度或調整 Gamma 設定。
In the sRGB test, if you can see the inner shapes in over 90% of the boxes, your monitor has good contrast and gamma curves. If you can't see the difference in boxes 1-2 (extreme dark or bright details), it means your screen is crushing blacks or clipping highlights. Try adjusting the Gamma setting in your monitor's OSD menu.
📊 如何判讀 Jitter 數值？
📊 How to read the Jitter value?
Jitter（幀間抖動）是每一幀生成時間的標準差，反映畫面輸出的穩定程度。以下是參考基準：
Jitter is the standard deviation of each frame's generation time, reflecting the stability of the visual output. Here is a reference baseline:
- 0–0.5 ms：極佳，畫面非常平滑Excellent, extremely smooth visuals.
- 0.5–2 ms：良好，一般使用不易察覺Good, barely noticeable in general use.
- 2 ms 以上2 ms+：明顯抖動，可能感受到輕微頓挫Noticeable jitter, you may feel slight micro-stutters.
若數值偏高，建議關閉背景程式、使用獨立顯示卡輸出、或在瀏覽器網址列輸入 chrome://flags/#enable-raw-draw 嘗試啟用低延遲渲染。
If the value is high, we recommend closing background apps, using a dedicated GPU, or typing chrome://flags/#enable-raw-draw in your browser to enable low-latency rendering.
Stutters（卡頓次數）高怎麼辦？
What if Stutters count is high?
當單幀耗時超過平均值的 110% 即被記錄為一次卡頓。常見原因包括：防毒軟體即時掃描、系統背景更新、垂直同步（V-Sync）引入的緩衝延遲，或瀏覽器分頁切換。建議在測試時關閉其他分頁並保持頁面前景執行。
A frame taking 110% longer than the average time is recorded as a stutter. Common causes include: real-time antivirus scanning, background updates, V-Sync buffer latency, or browser tab switching. Keep this page in the foreground during testing.
這個測試的準確度如何？
How accurate is this test?
此測試基於瀏覽器的 requestAnimationFrame API，屬於軟體層級估算。它無法取代 Leo Bodnar LDAT 等硬體延遲計量儀器，但對於比較「不同瀏覽器 / 不同設定下的相對穩定度」非常有效。同一台電腦、相同條件下，數值越低代表越好。
This is a software-level estimation based on the browser's requestAnimationFrame API. It cannot replace hardware tools like LDAT, but it is highly effective for comparing "relative stability across different settings." A lower number is always better.
🎞️ 如何判斷 VRR (G-Sync/FreeSync) 有沒有生效？
🎞️ How to know if VRR is working?
此測試會刻意讓 FPS 在中樞值上下劇烈波動。由於瀏覽器畫面由系統以垂直同步方式合成，您主要觀察的是「卡頓與抖動的程度」：VRR 開啟時，低幀區間的畫面應較平穩、跳幀感較少；若持續出現嚴重卡頓或撕裂，代表 VRR 可能未生效。最確切的判斷方式是查看顯示卡控制面板的 VRR 狀態（NVIDIA G-SYNC / AMD FreeSync），並確認螢幕 OSD 中的可變更新率選項已開啟。
This test intentionally swings the FPS around your target value. Because browsers composite frames with vsync, you mainly observe the degree of stutter and judder: with VRR active, low-FPS moments should feel steadier with fewer visible frame drops; persistent heavy stutter or tearing suggests VRR is not working. The most reliable check is the VRR status in your GPU control panel (NVIDIA G-SYNC / AMD FreeSync) plus confirming Variable Refresh Rate is enabled in your monitor's OSD.