I tried on Chrome, and had the same behavior. Here is the log:
It doesn't look like anything specific failed which is odd.
INFO: Initializing raylib 5.0 INFO: Platform backend: WEB (HTML5) INFO: Supported raylib modules: INFO: > rcore:..... loaded (mandatory) INFO: > rlgl:...... loaded (mandatory) INFO: > rshapes:... loaded (optional) INFO: > rtextures:. loaded (optional) INFO: > rtext:..... loaded (optional) INFO: > rmodels:... loaded (optional) INFO: > raudio:.... loaded (optional) INFO: DISPLAY: Device initialized successfully INFO: > Display size: 960 x 540 INFO: > Screen size: 960 x 540 INFO: > Render size: 960 x 540 INFO: > Viewport offsets: 0, 0 INFO: GL: Supported extensions count: 57 INFO: GL: OpenGL device information: INFO: > Vendor: WebKit INFO: > Renderer: WebKit WebGL INFO: > Version: OpenGL ES 2.0 (WebGL 1.0 (OpenGL ES 2.0 Chromium)) INFO: > GLSL: OpenGL ES GLSL ES 1.00 (WebGL GLSL ES 1.0 (OpenGL ES GLSL ES 1.0 Chromium)) INFO: GL: VAO extension detected, VAO functions loaded successfully WARNING: GL: NPOT textures extension not found, limited NPOT support (no-mipmaps, no-repeat) INFO: GL: DXT compressed textures supported INFO: PLATFORM: WEB: Initialized successfully INFO: TEXTURE: [ID 2] Texture loaded successfully (1x1 | R8G8B8A8 | 1 mipmaps) INFO: TEXTURE: [ID 2] Default texture loaded successfully INFO: SHADER: [ID 3] Vertex shader compiled successfully INFO: SHADER: [ID 4] Fragment shader compiled successfully INFO: SHADER: [ID 5] Program shader loaded successfully INFO: SHADER: [ID 5] Default shader loaded successfully INFO: RLGL: Render batch vertex buffers loaded successfully in RAM (CPU) INFO: RLGL: Render batch vertex buffers loaded successfully in VRAM (GPU) INFO: RLGL: Default OpenGL state initialized successfully INFO: TEXTURE: [ID 11] Texture loaded successfully (128x128 | GRAY_ALPHA | 1 mipmaps) INFO: FONT: Default font loaded successfully (224 glyphs) INFO: AUDIO: Device initialized successfully INFO: > Backend: miniaudio / Web Audio INFO: > Format: 32-bit IEEE Floating Point -> 32-bit IEEE Floating Point INFO: > Channels: 2 -> 2 INFO: > Sample rate: 192000 -> 192000 INFO: > Periods size: 2048 INFO: TIMER: Target time per frame: 16.667 milliseconds INFO: FILEIO: [assets/music/space.wav] File loaded successfully INFO: WAVE: Data loaded successfully (48000 Hz, 16 bit, 2 channels) INFO: FILEIO: [assets/music/spaceloop.wav] File loaded successfully INFO: WAVE: Data loaded successfully (48000 Hz, 16 bit, 2 channels)