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How to use Server Timing to get backend transparency from your CDN

Speed Curve

Server-timing headers are a key tool in understanding what's happening within that black box of Time to First Byte (TTFB). Google recommends that TTFB be 800ms at the 75th percentile. Server Timing is a specification that allows communication of data from the server to the client through the use of a server-timing header.

Servers 57
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In Defence of DOM­Content­Loaded

CSS Wizardry

Honestly, I started writing this article, for no real reason and somewhat without context, in December 2022—over half a year ago! TTFB is a good measure of your server response times and general back-end health, and issues here may have knock-on effects later down the line (namely with Largest Contentful Paint).

Metrics 326
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Implementing service-level objectives to improve software quality

Dynatrace

Instead, they can ensure that services comport with the pre-established benchmarks. Using data from Dynatrace and its SLO wizard , teams can easily benchmark meaningful, user-based reliability measurements and establish error budgets to implement SLOs that meet business objectives and drive greater DevOps automation.

Software 259
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Average Page Load Times for 2020 – Are you faster?

MachMetrics

Similar to our article Average Page Load Times for 2018 , we’ll go over the averages for metrics and help you determine if your site is faster or slower than average. By analyzing the data from Backlinko.com and their Page Speed Stats article, we’ll look to answer these questions: What size should be a website be?

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The Return of the Frame Pointers

Brendan Gregg

Back-end servers. 2022: Upstreaming, first attempt Other large companies with OS and perf teams (Meta, Google) hinted strongly that they had already enabled frame pointers for everything years earlier. Google should be no surprise because they pioneered continuous profiling.) The main users of this change are enterprise Linux.

Java 145
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Core Web Vitals Tools To Boost Your Web Performance Scores

Smashing Magazine

Essentially, a web vital is a quality standard for UX and web performance set by Google. PageSpeed Compare is a page speed evaluation and benchmarking tool. It measures the web performance of a single page using Google PageSpeed Insights. You can export the results as a CSV file for Excel, Google Sheets or Apple Pages.

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From Heavy Metal to Irrational Exuberance

ACM Sigarch

have pointed out in their recent Science article (“There’s plenty of room at the Top”) — and cited by Hennessy in his Turing lecture — a naive implementation of matrix-matrix multiply in Python runs between 100x and 60,000x slower than their counterparts written in a “metal” language (highly optimized C).

C++ 108