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Performance Game Changer: Browser Back/Forward Cache

Smashing Magazine

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.

Cache 91
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Average Page Load Time in 2021

MachMetrics

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
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WebPageTest API

CSS - Tricks

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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HTTP/3: Practical Deployment Options (Part 3)

Smashing Magazine

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
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Why speed test results are different than your load times

MachMetrics

You may even have a client who’s wondering why they’re getting inconsistent results on tests they’ve run on a site you built for them. It’s one of the most common (and frustrating) scenarios in web performance testing. Google Pagespeed Insights is a notable example of this.

Speed 62
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Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

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.

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Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Smashing Magazine

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? Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g.