Dynatrace

MAY 28, 2020

While Google’s SRE Handbook mostly focuses on the production use case for SLIs/SLOs, Keptn is “Shifting-Left” this approach and using SLIs/SLOs to enforce Quality Gates as part of your progressive delivery process. Adding this custom header will be specific to the testing tool you use.

Engineering 191

Engineering Performance Metrics Best Practices 191

Smashing Magazine

JUNE 26, 2019

One tool that’s particularly helpful is called Lighthouse. Instead, I suggest that web designers use another Google testing tool called Test My Site. Test My Site is a mobile page speed testing tool from Think with Google. Source: Test My Site ) ( Large preview ).

Website 110

Website Speed Mobile Design 110

Smashing Magazine

MARCH 2, 2021

With Core Web Vitals , Google has been pushing the experience factors on mobile further to the forefront. The earlier you invest in accessibility testing, the more you’ll save down the road on expensive consultancy, expensive third-party services, or expensive lawyers. Mobile Web Testing. Improving Search Engine Visibility.

Mobile 133

Mobile Testing Website Benchmarking 133

Rigor

FEBRUARY 19, 2020

For example, here is what a comparison report looks like in Rigor. Synthetic monitoring is one of the best ways to detect outages or availability issues since it actively tests your site from the outside. With a Synthetic product, benchmarking a competitor’s site is as easy as testing your own site…you simply provide a URL.

Monitoring 59

Monitoring Benchmarking Mobile Traffic 59

Smashing Magazine

SEPTEMBER 6, 2021

mvfst (Facebook), MsQuic , (Microsoft), (Google), ngtcp2 , LSQUIC (Litespeed), picoquic , quicly (Fastly). Google Chrome (version 91+) : Enabled by default. As was the case with many major servers, the makers of the most popular web performance testing tools have not been keeping up with HTTP/3 from the start.

Network 104

Network Servers Cache Traffic 104

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 ). Adjust the argument depending on the group of stakeholders you are speaking to.

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 ). Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Large preview ).

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik), Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing).

Performance 103

Performance Cache Metrics Network 103