I have the same issue.
(Firefox Beta for Mobile & Firefox for Windows)
ReleaseAPK shows online advertisements to our visitors to cover the cost of hosting.
Please, consider supporting ReleaseAPK by deactivating your Ad-Blocker on ReleaseAPK. !!!
Disable your ad-blocker on ReleaseAPK to enjoy the content.
Read Instructions :
1.- Press the ad-blocker icon.
2.- Select "Do not act on pages of this domain" (or similar).
3.- You can also press the "Activated on this site" or "Pause ad-blocker" (or similar) button.
4.- Also disable "Enhanced Tracking Protection" or "Lite mode" (or similar) function of browser.
5.- Press the "Refresh" button of your browser to see the content you want to view.