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. 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

OCTOBER 31, 2023

The linked-up explainer provides more details, from how scores are weighted to why scores may fluctuate between test runs. Why do we need Lighthouse at all when Google also offers similar reports in PageSpeed Insights (PSI)? The truth is that the two tools were fairly distinct until PSI was updated in 2018 to use Lighthouse reporting.

Speed 97

Speed Google Website Metrics 97

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Lara Hogan’s guide on how to approach designs with a performance budget can provide helpful pointers to designers.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? In 2015, Google introduced Brotli , a new open-source lossless data format, which is now supported in all modern browsers.

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

SEPTEMBER 6, 2021

This approach was touted to be better for fine-grained caching because each subresource could be cached individually and the full bundle didn’t need to be redownloaded if one of them changed. mvfst (Facebook), MsQuic , (Microsoft), (Google), ngtcp2 , LSQUIC (Litespeed), picoquic , quicly (Fastly). Implementation.

Network 105

Network Servers Cache Traffic 105