![]() If you use Chrome as your main browser, then make sure you utilize the JavaScript testing and debugging capabilities of Chrome DevTools. This makes the process of spot-checking JavaScript resource load times much quicker and simpler. The Request Map is color-coded by the host of the resource by default, however, you can add the simple parameter ?group=mimeType to the end of your URL to color-code by resource type instead. The green circle in this Request Map was a JavaScript file that was the largest resource on the entire page: The larger the circle, the more bytes of data that will need to be downloaded for that particular resource, and the bigger the contribution to overall page weight. It visualizes all of the different requests that are made on a page, maps out the dependencies between them and shows the load times and relative size of each resource. Set it to "true" to start using OpenGL (browser restart is not needed).The Request Map within WebPageTest is one of my favorite features I’ve come across within a speed testing tool in a long time. By default, it is set to "false": native OpenGL is not used. In recent versions of Firefox, find "webgl.disable-angle" variable. Type "about:config" into the address bar. After changing it, click on “Relaunch” button that will save your changes and restart Chrome.įor using OpenGL in Firefox you need to change the runtime option. You need "Choose ANGLE graphics backend" setting that should be set to OpenGL. ![]() Once "Chrome flags" is opened, you will see a list of features that you can enable or disable. In the case of Google Chrome, you can find Chrome flags by just typing "chrome://flags" or "about://flags" in the Omnibox (address/search bar). That may improve the performance and makes the shader compiling much faster (as well as renderer initialization time). It is important to keep your graphics drivers up-to-date, because web browsers may not enable WebGL 2 for old GPU driver versions.Īlso, since Light Tracer Render is implemented with WebGL 2, it may be reasonable to switch the underlying 3D API to OpenGL. Windows (NVIDIA/AMD): set a dedicated graphics card for chrome.exe in the NVIDIA/AMD control panel.macOS: Check the Apple support page Set graphics performance on MacBook Pro.Automatic selection of a dedicated GPU cannot be performed at the application level, so you have to do it yourself: integrated GPU from Intel/AMD for output and dedicated from NVIDIA/AMD for games), please ensure that the web browser uses a more powerful one (it should be in the Unmasked Renderer). ![]() You can visit webgl-report for details (check Unmasked Renderer to find out which graphics card is used for rendering). The ray-tracing core requires WebGL 2, so please ensure that it is available. Other platforms are not officially supported, however, Chromium-based browsers should work fine. Note that Safari has only recently got all the necessary features to run Light Tracer, so its support is still experimental. The web version of Light Tracer Render runs on Google Chrome, Mozilla Firefox, Microsoft Edge, Opera, and the latest Safari. ![]() We recommend at least GeForce GTX 670 / GeForce GTX 1050 / AMD Radeon RX 560 / Apple M1 to work with Light Tracer Render comfortably. If you have a dual-GPU laptop, take advantage of running the browser on a dedicated GPU, not the integrated one. The experience is much better with a discrete (dedicated) graphics card. ![]()
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