Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Web performance is a tricky beast, isn’t it? Testing And Monitoring. Vitaly Friedman. Table Of Contents.

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

MAY 6, 2019

2019-05-06T13:30:59+02:00. 2019-05-06T11:34:08+00:00. Test native lazy loading demo. is used and the use_native option is set to true : Test hybrid lazy loading demo. Hybrid Lazy Loading: A Progressive Migration To Native Lazy Loading. Hybrid Lazy Loading: A Progressive Migration To Native Lazy Loading. Andrea Verlicchi.

Website 103

Website Best Practices Media Open Source 103

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

Smashing Magazine

FEBRUARY 2, 2022

Like any file referenced and used on a website, it first needs to be downloaded from a server. Users can browse the Internet using slow and unreliable networks, so minification, optimization, and code-splitting of JavaScript files ensure that the user downloads the smallest file possible. import("path/to/myFunction.js").then((myFunction)

Code 89

Code Performance Network Website 89

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. 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). Now you have something measurable to test against.

Performance 145

Performance Cache Network Metrics 145

CSS - Tricks

MARCH 16, 2020

For example, this means, it’s much easier to share the win with Heather from marketing after spending time improving website accessibility as she’s more able to appreciate the effort after seeing the Lighthouse accessibility score go up 50 points into the green. Testing the script at the point should result in a new directory being created.

Google 82

Google Latency Website Metrics 82

Smashing Magazine

JANUARY 11, 2021

Testing And Monitoring Auditing workflow, proxy browsers, 404 page, GDPR cookie consent prompts, performance diagnostics CSS, accessibility. You can then mimic the 90th percentile’s experience for testing. This data can be much more useful for setting performance targets for assets like “landing page” or “product listing”.

Performance 145

Performance Cache Media Metrics 145