Unavailable demos
2d/glow: Not supported on the Compatibility rendering method (which the web platform always uses).
2d/navigation_mesh_chunks: Relies on debug-only drawing functionality which is not available in projects exported in release mode.
2d/physics_tests: Relies on debug-only drawing functionality which is not available in projects exported in release mode.
3d/labels_and_texts: Does not export in headless mode due to an engine bug (font importing infinite loop).
3d/decals: Not supported on the Compatibility rendering method (which the web platform always uses).
3d/ik: Demo is not fully ported to Godot 4 yet (even though the feature works on the web).
3d/navigation_mesh_chunks: Relies on debug-only drawing functionality which is not available in projects exported in release mode.
3d/occlusion_culling_mesh_lod: Occlusion culling is disabled by default in web builds to decrease binary size.
3d/particles: Demo mostly showcases features that are not available in Compatibility (which the web platform always uses).
3d/physical_light_camera_units: Demo is not tuned for the Compatibility rendering method (which the web platform always uses).
3d/physics_tests: Relies on debug-only drawing functionality which is not available in projects exported in release mode.
3d/variable_rate_shading: Not supported on the Compatibility rendering method (which the web platform always uses)
3d/volumetric_fog: Not supported on the Compatibility rendering method (which the web platform always uses)
3d/voxel: Freezes after a few seconds of gameplay due to web platform-specific threading issues.
audio/bpm_sync: Not functional on the web platform due to differences in the audio playback implementation.
audio/device_changer: Not relevant for the web platform, as the web browser always chooses the audio output device.
audio/midi_piano: Not functional on the web platform due to differences in the audio playback implementation.
audio/spectrum: Not functional on the web platform due to differences in the audio playback implementation.
compute/*: Not supported on the Compatibility rendering method (which the web platform always uses).
gui/msdf_font: Does not export in headless mode due to an engine bug (font importing crashes).
gui/translation: Does not export in headless mode due to an engine bug (font importing crashes).
loading/runtime_save_load: Native filesystem access is not available on the web platform.
misc/compute_shader_heightmap: Not supported on the Compatibility rendering method (which the web platform always uses).
misc/large_world_coordinates: Not supported on the Compatibility rendering method (which the web platform always uses).
misc/matrix_transform: Results are only visible in the editor.
mobile/android_iap: Only relevant on native Android.
mobile/sensors: Not supported on the web platform.
mono/*: Not available yet (requires Mono-enabled HTML5 build).
networking/*: Doesn't make sense to be hosted on a static host, as the server must be hosted on the same origin due to the browser's same-origin policy.
plugins/*: Only effective within the editor.
xr/openxr_*: Not functional on the web platform, as these demos are not designed for WebXR.