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<mxCell id="sH04TUy6GLxi0oI0tJiI-53" value="<h3 style="text-align: left;">Problem Story:</h3><div style="text-align: left;"><ul><li><i>Context</i>: <font style="color: rgb(255, 0, 0);">High response times</font> directly impact <strong style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">SEO crawl rates</strong><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">, </span><strong style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">Time to First Byte (TTFB)</strong><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">,</span><strong style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">&nbsp;</strong><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">and </span><strong style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">initial page load</strong><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));"> times for end users</span></li><li><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));"><i>Action</i>: Optimize response times by migrating from Express.js to Koa.js</span></li><li><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));"><i>Results</i>: </span><span style="background-color: transparent;"><font style="color: light-dark(rgb(0, 204, 0), rgb(255, 255, 255));">Improved P50 (median) response</font></span><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));"> times by </span><span style="background-color: transparent;"><font style="color: light-dark(rgb(0, 204, 0), rgb(255, 255, 255));">=~ 30%</font></span><span style="background-color: transparent; color: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));">, P95 initially inconclusive due to higher error rate, then improved</span></li></ul></div>" style="text;html=1;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;textShadow=0;" vertex="1" parent="1">
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