Maybe this will help (running from a localhost):
Failed to load resource: the server responded with a status of 404 (Not Found)
UnityLoader.js:1 Decompressed Release/GameFinished.datagz in 367ms. You can remove this delay if you configure your web server to host files using gz compression.
:50485/favicon.ico Failed to load resource: the server responded with a status of 404 (Not Found)
UnityLoader.js:1 Decompressed Release/GameFinished.memgz in 37ms. You can remove this delay if you configure your web server to host files using gz compression.
UnityLoader.js:1 Decompressed Release/GameFinished.asm.jsgz in 350ms. You can remove this delay if you configure your web server to host files using gz compression.
UnityLoader.js:1 Decompressed Release/GameFinished.jsgz in 10ms. You can remove this delay if you configure your web server to host files using gz compression.
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Initialize engine version: 5.5.2f1 (3829d7f588f3)
UnityLoader.js:2 Creating WebGL 2.0 context.
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Renderer: WebKit WebGL
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Vendor: WebKit
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Version: OpenGL ES 3.0 (WebGL 2.0 (OpenGL ES 3.0 Chromium))
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 GLES: 3
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 EXT_texture_filter_anisotropic GL_EXT_texture_filter_anisotropic OES_texture_float_linear GL_OES_texture_float_linear WEBGL_compressed_texture_etc GL_WEBGL_compressed_texture_etc WEBGL_compressed_texture_etc1 GL_WEBGL_compressed_texture_etc1 WEBGL_compressed_texture_s3tc GL_WEBGL_compressed_texture_s3tc WEBGL_debug_renderer_info GL_WEBGL_debug_renderer_info WEBGL_debug_shaders GL_WEBGL_debug_shaders WEBGL_lose_context GL_WEBGL_lose_context
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 OPENGL LOG: Creating OpenGL ES 3.0 graphics device ; Context level <OpenGL ES 3.0> ; Context handle 1
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 UnloadTime: 36.435001 ms
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetShaderiv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetShaderiv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : glBufferData: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : glBufferData: ← error from previous GL command
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 UnloadTime: 65.260002 ms
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Unloading 5 Unused Serialized files (Serialized files now loaded: 0)
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1
Unloading 8 unused Assets to reduce memory usage. Loaded Objects now: 447.
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Total: 20.340000 ms (FindLiveObjects: 0.535000 ms CreateObjectMapping: 2.105000 ms MarkObjects: 14.100000 ms DeleteObjects: 3.485000 ms)
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : GetTexParameteriv: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_ENUM : glBufferData: ← error from previous GL command
localhost/:1 [.Offscreen-For-WebGL-059B59C8]GL ERROR :GL_INVALID_OPERATION : glBufferData: ← error from previous GL command
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 warning: 2 FS.syncfs operations in flight at once, probably just doing extra work
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 UnloadTime: 25.529999 ms
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Unloading 4 Unused Serialized files (Serialized files now loaded: 0)
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1
Unloading 5 unused Assets to reduce memory usage. Loaded Objects now: 447.
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Total: 2.810000 ms (FindLiveObjects: 0.285000 ms CreateObjectMapping: 0.545000 ms MarkObjects: 1.610000 ms DeleteObjects: 0.355000 ms)
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 UnloadTime: 5.470000 ms
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Unloading 4 Unused Serialized files (Serialized files now loaded: 0)
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1
Unloading 5 unused Assets to reduce memory usage. Loaded Objects now: 447.
blob:http://localhost:50485/e4a28695-2828-4cea-a61f-916eacb12d27:1 Total: 5.015000 ms (FindLiveObjects: 0.050000 ms CreateObjectMapping: 0.365000 ms MarkObjects: 4.320000 ms DeleteObjects: 0.275000 ms)