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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.

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Google Lighthouse Audits – How to use Chrome’s built-in speed testing tool

MachMetrics

The Best Practices audit will run checks for things like SSL certificates (HTTPS), caching, and outbound link safety. It will also do a test for vulnerabilities in your JavaScript libraries, as well as a test for deprecated APIs. Alt tags, title tags, and accessible button names are all checked, to name a few. Best Practices.

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Why is Wordpress Slow?

KeyCDN

Many factors affect the speed of your WordPress website; some of them are: Your web host Server-side optimizations (PHP version, compression, caching, etc.) Several website speed testing tools available could be used for this purpose. We test the home page of a WordPress website using the Website Speed Test.

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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. Since you have access to these tools/extensions the average page load time of your WordPress should be lesser than 5 seconds max.

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Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. For us, the replay test tooling gave the confidence that our new code was nearly bug free. This meant that data that was static (e.g.

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KeyCDN Launches New POP in Mexico

KeyCDN

You can quickly check the response headers using Chrome DevTools , a speed test tool , or a simple curl command like the one below: curl -I '[link] 200server: keycdn-enginedate: Thu, 04 Nov 2021 11:39:01 GMTcontent-type: image/x-iconlast-modified: Thu, 16 Jul 2020 07:06:27 GMTvary: Accept-Encodingetag: W/"5f0ffc73-1536"expires: Thu, 11 Nov (..)

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Best Free DNS Hosting Providers

KeyCDN

ISPs do cache DNS however which means if your first provider goes down it will still try to query the first DNS server for a period of time before querying for the second one. You can test the DNS lookup time and TTFB with a website speed test tool. So DNS services definitely go down!

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