If you see a warning about an insecure connection, click Advanced »
Proceed. Because the page is served from your local machine, no data
ever leaves your computer.
Mozilla Firefox (Windows/macOS/Linux)
Click the shield icon to the left of the address bar and temporarily disable
enhanced tracking protection for this site if prompted.
When the notification prompt appears, choose Allow Notifications.
If Firefox warns the page is insecure, click Advanced » Accept the
Risk and Continue. The site is running locally and is safe.
Safari (macOS)
Open Safari ▸ Settings… ▸ Websites ▸ Notifications.
Locate this page in the list and set the permission to Allow.
Should Safari display a warning page, click Show Details and then
Visit this Website. Because the server is on your computer, the
connection is trustworthy.
Safari on iOS / iPadOS
Tap the share icon (📤) and choose Add to Home Screen.
Open the newly added app icon from your Home Screen.
When asked, tap Allow to grant notification permission.
If iOS displays “This connection is not secure”, tap Show Details »
Visit Website. Local connections are safe.
Chrome on Android
Tap the lock icon next to the address bar.
Select Site settings, then tap Notifications »
Allow.
If Chrome warns about an insecure site, tap Advanced » Proceed to
site. Because the server is local, it is secure.