I reached out to the developer for more details, he pointed me to the browser gpu page: chrome://gpu ; the very first section shows the following :
Graphics Feature Status
=======================
* Canvas: Software only, hardware acceleration unavailable
* Canvas out-of-process rasterization: Disabled
* Direct Rendering Display Compositor: Disabled
* Compositing: Software only. Hardware acceleration disabled
* Multiple Raster Threads: Enabled
* OpenGL: Disabled
* Rasterization: Software only. Hardware acceleration disabled
* Raw Draw: Disabled
* Skia Graphite: Disabled
* Video Decode: Software only. Hardware acceleration disabled
* Video Encode: Software only. Hardware acceleration disabled
* Vulkan: Disabled
* WebGL: Software only, hardware acceleration unavailable
* WebGL2: Software only, hardware acceleration unavailable
* WebGPU: Disabled
In contrast, the same settings in my personal computer show everything as “Hardware accelerated”, and with both OpenGL and WebGPU Enabled