Remove support what-is-ttfb
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Dynatrace supports the newly released AWS Lambda Response Streaming

Dynatrace

Dynatrace is a launch partner in support of AWS Lambda Response Streaming , a new capability enabling customers to improve the efficiency and performance of their Lambda functions. What is a Lambda serverless function? What is Lambda Response Streaming? What does your Lambda function need to enhance responses?

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Notes on: Married to HTTP/3

Tim Kadlec

All major browsers support thanks to iOS starting with version 16. What and Why? So the browser will only try HTTP/3 if it’s certain the server supports it. The server sends back an “alternative services” header indicating H/3 support. To check if HTTP/3 is supported, use either HTTP3Check.net or curl.

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The Fastest Google Fonts

CSS Wizardry

While prototyping, I turned to Google Fonts, and with their recent ability to support font-display via a URL parameter ( &display=swap ), I knew that things would stay pretty speedy. What else could I do to make Google Fonts fast ? First Web Font (FWF): At what point has the first web font loaded? To hell with it!

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Best Free DNS Hosting Providers

KeyCDN

What is DNS? With the rise of distributed denial-of-service (DDoS) attacks using a high quality DNS hosting provider is very important to the redundancy of your website. There is nothing worse for visitors than your website being inaccessible. You can think of a DNS server as a phone book for the internet. So DNS services definitely go down!

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The Core Web Vitals hype train

CSS - Tricks

I worry that the outsized emphasis placed on Core Web Vitals by including them in SEO scoring will result in developers focusing solely on those three numbers without truly understanding what they mean and, more importantly, what they don’t mean. You can support CSS-Tricks by being an MVP Supporter.

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Average Page Load Time in 2021

MachMetrics

What is Google Web Vitals? 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. So when we talk about load time, a good grade doesn’t necessarily mean the page is fast. That’s a big problem.”

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Identifying, Auditing, and Discussing Third Parties

CSS Wizardry

Once that’s done, you’ll be presented with what my clients and I have lovingly dubbed the jellyfish : A Request Map result showing CNN’s third parties. That takes a while to memorise, so to start with just remember that big blobs mean lots of bytes, distant blobs mean high TTFB, and thick lines mean lots of requests. Identifying.

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