Tags: latency

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Friday, August 9th, 2019

Time to First Byte: What It Is and Why It Matters by Harry Roberts

Harry takes a deep dive into the performance metric of “time to first byte”, or TTFB if you using initialisms that take as long to say as the thing they’re abbreviating.

This makes a great companion piece to Drew’s article on server timing headers.

Monday, March 4th, 2019

Cache-Control for Civilians – CSS Wizardry

Harry breaks down cache-control headers into steps that even I can understand. I’ll be using this a reference for sure.

Tuesday, January 1st, 2019

The Elements of UI Engineering - Overreacted

These are good challenges to think about. Almost all of them are user-focused, and there’s a refreshing focus away from reaching for a library:

It’s tempting to read about these problems with a particular view library or a data fetching library in mind as a solution. But I encourage you to pretend that these libraries don’t exist, and read again from that perspective. How would you approach solving these issues?

Monday, November 27th, 2017

The Fallacies of Distributed Computing (Applied to Front-End Performance) – CSS Wizardry – CSS Architecture, Web Performance Optimisation, and more, by Harry Roberts

Harry cautions against making assumptions about the network when it comes to front-end development:

Yet time and time again I see developers falling into the same old traps—making assumptions or overly-optimistic predictions about the conditions in which their apps will run.

Planning for the worst-case scenario is never a wasted effort:

If you build and structure applications such that they survive adverse conditions, then they will thrive in favourable ones.

Sunday, January 4th, 2015

The Nor » Low Latency

Like an Enid Blyton adventure for the 21st century, James goes out into the country and explores the networks of microwave transmitters enabling high-frequency trading.

If you think that London’s skyscraper boom is impressive – the Shard, the Walkie-Talkie, the Cheesegrater, the Gherkin – go to Slough. It is not height that matters, but bandwidth.

Thursday, July 19th, 2012

Latency: The New Web Performance Bottleneck - igvita.com

This is just wonderful! It combines almost all of my recent obsessions into one unified post: website performance (particularly on mobile) and the locations of undersea cables. The interactive map is the icing on the cake.