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 200

Engineering Performance Metrics Best Practices 200

Speed Curve

OCTOBER 29, 2024

If you're scrambling to optimize your site before Black Friday, you still have time to implement some or all of these best practices. Real user monitoring (RUM) can sometimes be harder to implement on short notice compared to synthetic tools. Google Tag Manager) or A/B testing tool if you need to circumvent code changes.

Speed 57

Speed Benchmarking Traffic Retail 57

Smashing Magazine

OCTOBER 18, 2021

We use Lighthouse and WebPagetest as our synthetic testing tools for performance to measure CLS. Apart from that, we check the Google Search Console Core Web Vitals Report section to get an idea of any potential CLS issues in any of our pages. At first, we decided to run some tests using synthetic testing tools.

Website 108

Website Google Metrics Testing Tools 108

Testsigma

JANUARY 30, 2021

And here I’d also like to tell you about Testsigma (a mobile testing tool) , because it has really done some good work and innovation in order to simplify the mobile testing needs. Test how user-friendly an application is: Google search engine gives high priority to websites in comparison to desktop apps.

Mobile 52

Mobile Testing Website Internet 52

Smashing Magazine

MAY 9, 2022

Similarly from cross-site navigation — think Google search results or the like and then clicking back. WebPageTest is one of the few web performance testing tools that actually tests a reload of the page using a primed HTTP Cache — most of the other tools just flag if your HTTP resources are not explicitly set to be cached.

Cache 93

Cache Games Performance Website 93

Testsigma

FEBRUARY 19, 2021

Here are some reasons why mobile web testing is important: For A Better Search Result Ranking: Google ranks websites based on how mobile-friendly they are. For that reason, cross-browser compatibility testing is done. If the websites or web apps are not responsive, users may not return to the sites. We can use Can I Use?

Mobile 65

Mobile Testing Website Speed 65

Smashing Magazine

JULY 2, 2021

It is recommended to follow rules and best practices of building and sending emails. If you expect high loads on your email server, it will also be good to perform load testing with a tool like Apache JMeter™ or an email sandbox service. Spell checkers and content testing tools are helpful for emails as well.

Testing 110

Testing Servers Social Media Analytics 110

Smashing Magazine

SEPTEMBER 6, 2021

You would, however, be hard-pressed even today to find a good article that details the nuanced best practices. This is because, as I stated in the introduction to part 1 , much of the early HTTP/2 content was overly optimistic about how well it would work in practice, and some of it, quite frankly, had major mistakes and bad advice.

Network 108

Network Servers Cache Traffic 108

KeyCDN

AUGUST 29, 2019

Running speed tests with tools like Google PageSpeed Insights , WebPageTest , or KeyCDN’s Website Speed Test are always a good way to help gauge your website’s performance. With that being said, see how we easily achieved a 100/100 score with WordPress and Google PageSpeed Insights.

Google 103

Google Cache Speed Analytics 103

Speed Curve

FEBRUARY 15, 2021

Largest Contentful Paint (LCP) is one of Google's Core Web Vitals , so it's been getting a lot of attention lately. Cumulative Layout Shift (CLS) is another one of Google's Core Web vitals. The three metrics above – CLS, FID, and TBT – are all part of Google's Core Web Vitals. > Long Tasks (Synthetic and RUM).

Performance 133

Performance Metrics Benchmarking Google 133

KeyCDN

JUNE 20, 2019

Google’s PageSpeed Insights tool is a great way to check your speed score for both mobile and desktop devices. To learn more about what other site speed test tools are available, check out our complete guide on the top 15 free speed test tools.

Ecommerce 41

Ecommerce Speed Website Mobile 41

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 Servers 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 105

Performance Cache Network Metrics 105

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