Here's what the console prints, hoping that this can help you find the problem (Also, sorry if the first two lines aren't in english):
[Info] HTML1300: È stata eseguita la navigazione. [warehouse-101 (1,1)]
[Warning 5] HTML1500: Il tag di chiusura non può essere implicito. Utilizzare un tag di chiusura esplicito. [warehouse-101 (11,6185)]
[No_Tag] Godot Engine v3.2.1.stable.official - https://godotengine.org [Warehous101v2.js (7,35333)]
[Warning] exception thrown: TypeError: Unable to get property 'getParameter' of undefined or null reference,TypeError: Unable to get property 'getParameter' of undefined or null reference
at _glGetString (https://v6p9d9t4.ssl.hwcdn.net/html/2200733/Warehous101v2.js:7:263228)
at Module[_main] (https://v6p9d9t4.ssl.hwcdn.net/html/2200733/Warehous101v2.js:7:308630)
at callMain (https://v6p9d9t4.ssl.hwcdn.net/html/2200733/Warehous101v2.js:7:316606)
at synchronousStart (https://v6p9d9t4.ssl.hwcdn.net/html/2200733/Warehous101v2.js:211:4) [Warehous101v2.js (7,316832)]
[Error] Unable to get property 'getParameter' of undefined or null reference [index.html (248,5)]
[Warning] **ERROR**: Condition "!_start_success" is true. Returned: false [Warehous101v2.js (7,35602)]
[Warning] At: main/main.cpp:1400:start() - Condition "!_start_success" is true. Returned: false [Warehous101v2.js (7,35602)]
[Error 39] 0: WebAssembly exported function expected [Warehous101v2.js (6,308542)]