<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000"><p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">Cross-posted at <a href="https://serverfault.com/questions/936873/nginx-optimizing-server-response-time-for-a-http-cached-website" style="color:rgb(5,99,193)">Stackoverflow</a></p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">I have a website with all of the pages served from nginx’s http cache and rarely invalidated or expired.</p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">The average total page download size is around 2 MB But despite being a static site with no funny logic my server response is around a second</p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif"><a href="https://d.pr/NUxu2a" style="color:rgb(5,99,193)">https://d.pr/NUxu2a</a> </p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">I recorded nginx’s $request_time and it comes to around 400 milliseconds from the server</p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif"><a href="https://d.pr/HGhZZy" style="color:rgb(5,99,193)">https://d.pr/HGhZZy</a> </p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">and each file at 20-30 KB average</p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif"><a href="https://d.pr/kSSUkB" style="color:rgb(5,99,193)">https://d.pr/kSSUkB</a> </p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">400 millisecond seems to be absurd.</p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">I am behind <b>Cloudflare</b> and</p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">sendfile        on;</p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">tcp_nopush     off;</p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">tcp_nodelay on;</p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">keepalive_timeout  300s;</p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">keepalive_requests 10000;</p>

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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif">What should I be doing to bring down the response time to the 150-millisecond range?</p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:Calibri,sans-serif"> </p></div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">- Quintin</div></div></div>