If the tab with your content isn’t visible, your content only updates once per second in most browsers. However, some browsers can throttle content running in background tabs. ![]() If Run in background is enabled in the Player settings for the WebGL platform, or if you enable nInBackground, your content continues to run when the canvas or the browser window loses focus. See the Profiler documentation to learn how to set it up. To improve performance, set Exception support to None in the Player settings for WebGL by expanding Other Settings > Stack Trace. WebGL-specific settings which affect performance For example, it can report the percentage of time spent rendering, animating, or in your game logic. It shows how much time is spent in the various areas of your game. Tip: To see how Unity distributes work to different threads on non-WebGL platforms, see the new timeline Profiler A window that helps you to optimize your game. More info See in Glossary is both multi-threaded and SIMD-optimized. Performed with an external tool, such as Blender or Autodesk Maya. For example, WebGL Skinning The process of binding bone joints to the vertices of a character’s mesh or ‘skin’. ![]() More info See in Glossary, but as some engine parts are multi-threaded or SIMD optimized, they offer low performance on WebGL. You can’t write threading or SIMD code in WebGL scripts A piece of code that allows you to create your own Components, trigger game events, modify Component properties over time and respond to user input in any way you like.Any code that benefits from these features are likely to be slower than other code.The JavaScript language doesn’t support multi-threading or SIMD.For more information, see the Unity blog post WebAssembly Load Times and Performance.įollowing are the additional considerations that you must be aware of: On the CPU, Emscripten translates your code into WebAssembly, the performance of which depends on the web browser you’re using. More info See in Glossary to your OS graphics API (typically DirectX on Windows, OpenGL on Mac, and Linux). The only exception is the slight overhead for translating WebGL API calls and shaders A program that runs on the GPU. More info See in Glossary performance is close to native apps on the GPU, because the WebGL graphics API uses your GPU for hardware-accelerated rendering. The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. In general, the WebGL A JavaScript API that renders 2D and 3D graphics in a web browser.
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