Speed Curve

JUNE 24, 2024

The Web Performance Guide is – as its name suggests – a collection of articles we've been writing over the years to answer the most common questions we field about performance topics like site speed, why it matters, how it's measured, website monitoring tools, metrics, analytics, and optimization techniques.

Performance 103

Performance Speed Best Practices Metrics 103

Tim Kadlec

JANUARY 12, 2021

The other reason that I mentioned for why folks use client-side A/B testing is cost. In some cases, like Google Optimize, it’s even free. While not perfect, Google’s Impact Calculator is a decent way to guess-timate potential improvements in revenue based on performance. That puts annual revenue at $1.44 deficit.

Testing 137

Testing Google Traffic Servers 137

MachMetrics

JUNE 30, 2021

Many people often confuse site speed with page speed grades of performance testing tools, which are actually calculated based on multiple factors of a page including its loading speed. Importance of page loading speed – Google checks your website load time and they like it as fast with a better user experience.

Cache 78

Cache Speed Google Website 78

Testlodge

NOVEMBER 12, 2021

Browser Compatibility Testing: This type of testing is widely performed to make sure that a particular application is compatible on the different browsers available on the market, such as Chrome, IE, Safari, Firefox, and Opera. Cross Browser Testing Tools Tips can help you to select the right tools for your needs.

Testing 78

Testing Hardware Operating System Mobile 78

Smashing Magazine

MARCH 2, 2021

After all, when we look at our analytics, we will hardly find any customers browsing our sites or apps with a mid-range device on a flaky 3G connection. With Core Web Vitals , Google has been pushing the experience factors on mobile further to the forefront. Mobile Web Testing. That might come a little bit unexpected.

Mobile 142

Mobile Testing Website Benchmarking 142

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 106

Cache Games Performance Website 106

Smashing Magazine

JULY 2, 2021

The tool is a paid service, but it has a few helpful free tests: SMTP tester, Email tester (SPF, DKIM, blacklisting), Inbox, Spam, or Promotions (inbox placement), Email verifier (contact list), Email deliverability wizard (stats for a list of campaigns via any Google account within the last 24 hours that had at least 1,000 recipients).

Testing 112

Testing Servers Social Media Testing Tools 112

CSS - Tricks

MAY 3, 2021

google-analytics.com", "sanList":[ "*.google-analytics.com", google-analytics.com", "*.fps.goog", Linux; Android 6.0.1; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Mobile Safari/537.36 PTST/210419.211328", "accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",

Transportation 90

Transportation Cache Google Mobile 90

Testsigma

FEBRUARY 12, 2021

Machine Learning (ML) and Artificial Intelligence (AI) programme testing and QA teams will develop their automatic research techniques, keeping track with recurring updates — with the assistance of analytics and monitoring. Codeless testing tools lay the groundwork for automated testing democratisation.

Artificial Intelligence 92

Artificial Intelligence Software Software IoT 92

Testsigma

MAY 24, 2021

There are a plethora of browsers available in the market for both web browsing and mobile browsing such as Internet Explorer, Google Chrome, Mozilla Firefox, Safari, Opera, etc. Testsigma is a cloud-based cross-browser testing tool that lets you easily automate the end-to-end test cases for the web.

Website 52

Website Testing Operating System Testing Tools 52

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

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 138

Performance Metrics Benchmarking Google 138

Smashing Magazine

JANUARY 11, 2021

This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts.

Performance 145

Performance Cache Metrics Media 145

Smashing Magazine

JANUARY 6, 2020

Study common complaints coming into customer service and sales team, study analytics for high bounce rates and conversion drops. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). You can then mimic the 90th percentile’s experience for testing.

Performance 112

Performance Cache Servers Network 112

Smashing Magazine

JANUARY 7, 2019

To get accurate results and goals though, first study your analytics to see what your users are on. You can then mimic the 90th percentile’s experience for testing. Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g. Lighthouse , WebPageTest ) and. Assets Optimizations.

Performance 111

Performance Cache Network Metrics 111

Speed Curve

OCTOBER 29, 2024

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. If you're still out of luck in the RUM department, you can always look at field data from Google CrUX (Chrome User Experience Report).

Speed 64

Speed Benchmarking Traffic Retail 64