Nginx SSL tuning tips

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Nginx tuning tips: HTTPS/TLS - Turbocharge TTFB/Latency

Nginx tuning tips to help improve the performance of Nginx w/ HTTPS for better TTFB and reduced latency. Includes HTTP/2, session cache, HSTS, OCSP stapling

haydenjames.io

 

[Gtuelily]

There are quite a few of them on the market

 

[Peter South]

This link is slightly deprecated because it references enabling HTTP/2 on nginx. HTTP/3 was introduced this month.
Following that article's steps you'll see it reference "h2" protocol in inspect element of chrome. I'm currently seeing "h3-29" protocol being used on production sites now.