Nothing ruins user experience like an infinite 'Loading...' loop on a reCAPTCHA...

https://garrettwigp625.tearosediner.net/can-browser-cache-corruption-cause-recaptcha-to-get-stuck-on-loading

Nothing ruins user experience like an infinite 'Loading...' loop on a reCAPTCHA prompt. If your site gets stuck on 'verify you're not a robot' because of a free quota warning, you need a plan. Let’s resolve this bottleneck and keep your traffic moving.