It looks like load the very long page content, duplicated
I tried to change to safe-mode, and find this error on console:
(anonymous) @ _service-worker-8605e5c2e133a2a05d9dd2906cb8e959e59d9071ee2958ed83b143cf451c9a23.js:3
A bad HTTP response code (404) was received when fetching the script.
register-service-worker.js:22 Failed to register Service Worker: TypeError: Failed to register a ServiceWorker for scope (‘https://domain/’) with script (‘https://domain/service-worker.js’): ServiceWorker script evaluation failed