Is Cloudflare throttling our county's Covid Vaccine appointment website? the website to make appointments for Covid Vaccine in Charlotte County Florida crashes immediately when new vaccine appointments are announced.
Here’s some deets:

Error 525
Ray ID: 610fc2a6a8f0371c • 2021-01-13 14:20:51 UTC
SSL handshake failed

This could happen for a several reasons, including no shared cipher suites. Cloudflare Ray ID: 610faddf5cf91293 • Your IP: 2601:702:4205:3140:8cb9:b20e:5fac:2448 • Performance & security by Cloudflare ay ID: 610fb28c380def12 • 2021-01-13 14:09:52 UTC

525 comes from the connection to your server. For some reason, your server can’t complete the 525 handshake. Take a look at #6 in this article:

It might be worth taking a look at APO ($5 on free plans, free on paid plans) for your WordPress site. That should offload a lot of requests, freeing up your server’s resources.

Or even a couple of Page Rules to “Cache Everything” on your busiest “Static” pages (ones that don’t rely on logins or forms). But, really, APO is just $5 and will do a lot to make things better.

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Take a look at It’s a Cloudflare program to support Vaccination organizations. I put your name in to Support for this, so they may reach out to you regarding this.