Dynatrace

SEPTEMBER 4, 2020

If you’re not familiar with Site Reliability Engineering (SRE) and the concepts of Service Level Indicators (SLIs), Service Level Objectives (SLOs) and Service Level Agreements (SLAs) I recommend watching the YouTube Video from Google Engineers called SLIs, SLOs, SLAs, oh my! class SRE implements DevOps) !

DevOps 242

DevOps Metrics Innovation Azure 242

Jos

APRIL 5, 2018

Or loading a 3rd party component like a Google Map, with all its additional assets needed to render the thing? A code coverage report, like the one Google Chrome provides won’t help us much. Code coverage tab on Google Chrome ( source ). When it comes to SEO, you might have issues indexing lazy-loaded content on Google.

Code 130

Code Performance Google Media 130

KeyCDN

DECEMBER 8, 2022

Several website speed testing tools available could be used for this purpose. KeyCDN Website Speed Test, GTmetrix, Google PageSpeed Insights, WebPageTest, and Pingdom Tools are some great choices. We test the home page of a WordPress website using the Website Speed Test.

Cache 52

Cache Website Speed Website Performance 52

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). For each of them, Google recommends a range of acceptable speed goals.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g. synthetic testing tools and RUM together provide a complete picture of performance in your application.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Keep in mind that a good performance picture covers a set of performance metrics, lab data and field data : Synthetic testing tools collect lab data in a reproducible environment with predefined device and network settings (e.g. Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g.

Performance 104

Performance Cache Metrics Network 104