Search engines don't index Votabox

It looks like they are not able to index single page Javascript applications. That's a bummer. There are some providers for prerendering, but they wouldn't work in my serverless setting. At least I added some meta tags, but that's only a desperate attempt.

Soon I should see some indexing results, I hope there will be some insights, but I'm preparing for the worst - manually prerendering the home page.