KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Brendan Gregg

FEBRUARY 9, 2018

I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. Plotting the percent performance loss vs syscall rate per CPU, for my microbenchmark: Applications that have high syscall rates include proxies, databases, and others that do lots of tiny I/O.

Performance 75

Performance Benchmarking Cache Tuning 75

Speed Curve

MAY 31, 2014

As of the 1st of June SpeedCurve has switched to using faster testing agents at Amazon EC2 data centers. As web pages become more Javascript and resource heavy I've noticed more and more pages max out the CPU while performance testing. medium instances which have 3.75GB of RAM with faster CPU and network performance.

Testing 40

Testing Benchmarking Speed Website 40

Speed Curve

JUNE 24, 2019

The critical rendering path is the set of steps browsers must take to convert HTML, CSS and JavaScript into living, breathing websites. To optimize for performance, you need to understand what happens in the steps between receiving the HTML, CSS, and JavaScript bytes and the processing that's required to turn them into rendered pixels.

Performance 77

Performance Best Practices Metrics Mobile 77

Brendan Gregg

FEBRUARY 8, 2018

I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. Plotting the percent performance loss vs syscall rate per CPU, for my microbenchmark: Applications that have high syscall rates include proxies, databases, and others that do lots of tiny I/O.

Performance 40

Performance Benchmarking Cache Tuning 40

Speed Curve

JULY 3, 2023

HTTP Archive research: Background and caveats Before we get into the analysis, some context: The numbers cited below all come from the HTTP Archive. This is to try to understand how a "typical" page might perform, as well as pages in the "longtail". It's super important to understand longtail performance. Possibly not.

Mobile 52

Mobile Google Metrics Retail 52

Rigor

SEPTEMBER 11, 2019

If you want to vastly improve the startup and load performance of your website, you cannot miss the impactful observations and insights that Jake posts on jakearchibald.com/ and shares on Twitter @ jaffathecake. ” He shares information about UX issues and the latest news from Chrome, with a web performance slant.

Performance 89

Performance Education Google Website 89