Browser support for WebGL
Make sure you are using the latest browser version.
Ensure that you are using the most up-to-date version of your video card drivers
Ensure that WebGL is enabled in your browser settings.
Google Chrome:
First, activate hardware acceleration. In the Chrome settings menu, click the button. advanced at the bottom of the page, in the System section, check the checkbox. Use hardware acceleration If it's not activated, simply click to activate it. Then, enable WebGL by opening Chrome and typing in the browser's address bar Chrome://Flags and click enter.

Search for WebGL. Then, verify if the WebGL option is activated; if not, enable it by making the necessary changes. Default para Enabled in the drop-down menu to activate it. Finally, click Relauncht.

Firefox
First, activate WebGL. Open Firefox and type the following in the browser's address bar About:Config and click enter.

Search for webgl.enabled_for_all_site. Open the button + "And change 'False' to 'True'; all modifications take effect immediately without the need to restart Firefox.

Microsoft Edge
Open Microsoft Edge and enter the following into the browser's address bar: About:Flags and click enter.

Search for WebGL. Then, verify if the WebGL option is activated; if not, enable it by making the necessary adjustments. Default para Enabled in the drop-down menu for it to be activated.

Safari
In Safari Preferences, select the tab Advanced Ensure that the checkbox is selected. Show Development menu in the menu bar is checked.

In the menu Safari Development, select submenu Experimental Features and check if WebGL 2.0 is checked.
