Cache Google Metrics Performance Testing 
Smashing Magazine
MAY 9, 2022
Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Didn’t The HTTP Cache Do All That Anyway? Barry Pollard.
CSS - Tricks
JULY 25, 2019
Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Last year, Google made two significant changes to their search indexing and ranking algorithms : In March, indexing became based on the mobile version of a page , rather than desktop. Cache-Headers missing?
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Smashing Magazine
OCTOBER 31, 2023
But do you know how Lighthouse calculates performance metrics like First Contentful Paint (FCP), Total Blocking Time (TBT), and Cumulative Layout Shift (CLS)? There’s a handy calculator linked up in the report summary that lets you adjust performance values to see how they impact the overall score. But it comes with caveats.
Smashing Magazine
AUGUST 9, 2022
Essentially, a web vital is a quality standard for UX and web performance set by Google. It can be measured based on real data from users visiting your sites ( field metric ) or in a lab environment ( lab metric ). In fact, several user-centric metrics are used to quantify web vitals. PageSpeed Compare.
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.
CSS - Tricks
OCTOBER 26, 2020
I still think the Google-devised Core Web Vitals are smart. When I first got into caring about performance, it was all: reduce requests! cache things! And while those are all very related to web performance, they are abstractly related. Even though that’s good for performance for other reasons!
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",
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