Can Cloudflare harm my website?

I switched to Cloudflare. My site is now both safer and faster. I think it is also received positively in terms of SEO.

I wonder if there are any disadvantages to using Cloudflare for my website?

Cloudflare is used by millions of websites, including by many Fortune 500 companies who trust Cloudflare to act in good faith and deliver quality services.

Yes, it’s safe. You don’t need to worry.