After upgrading from version 1.7.1 to 1.7.2, I noticed that when I select "Preview", there is an issue with the nginx proxy, showing the error "(failed) net::ERR ...
When trying to test https://disneyworld.disney.go.com/, I get this error but if I test google or amazon it works fine, I'm no sure what the error means.
ERR_SPDY_PROTOCOL_ERROR can occur on WordPress sites using the Nginx server, Cloudflare, etc. Google developed the SPDY Protocol to reduce page loading time. However, it was discontinued due to HTTP 2 ...