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Reposted by Stoyan Stefanov

Alex Russell @infrequently.org · Jul 16

Just published a new section on my site to capture references to a lot of the essential web performance and fundamentals-oriented webdev resources I find myself continually directing folks to. Also, lots and lots of links to blogs I love:

infrequently.org/links/

Links, Resources, and Humans of Note - Infrequently Noted

Alex Russell on browsers, standards, and the process of progress.

infrequently.org

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Stoyan Stefanov @stoyan.me · Jul 11

Ha! @11ty.dev folks have opened a Beverly Hills location /cc @zachleat.com

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Stoyan Stefanov @stoyan.me · Jun 16

Not the web-type of performance

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Stoyan Stefanov @stoyan.me · May 26

performance.now() conference by @ppkoch.bsky.social and friends is back again for another edition: perfnow.nl

2 days, single-track, 100% web performance geekout happening 30th and 31st of October in Amsterdam. First 9 speakers announced, tickets on sale now.

Phil Hawksworth
Tammy Everts
Tim Kadlec
Marcy Sutton Todd
Harry Roberts
Michal Mocny
Vinicius Dallacqua
Umar Hansa
Andy Davies

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Stoyan Stefanov @stoyan.me · May 25

highperformancewebfonts.com/read/pick-ch...

A quick JS snippet that adds a feature to fontdrop.info to hand pick characters for subsetting with Glyphhanger. You click around and get a command generated that looks like:

$ glyphhanger --format=woff2 --subset="font.otf" --whitelist="U+0025,U+0026...

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Stoyan Stefanov @stoyan.me · Apr 27

Kohler (manufacturer of toilets) let me upload a photo of my toilet on their site and they figured out the model so I can get the correct spare parts. Would you look at that, not all AI is useless...

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Stoyan Stefanov @stoyan.me · Apr 25

Font sizing intensifies

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Stoyan Stefanov @stoyan.me · Apr 24

A chat with @tolin.ski of @syntax.fm with a nice NYC backdrop, recorded at @jsnation.gitnation.org
www.youtube.com/watch?v=JG7u...

How Stoyan Stefanov Makes Coding a Creative Process (w/ Scott Tolinski from Syntax.fm)

YouTube video by JavaScript Conferences by GitNation

www.youtube.com

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Stoyan Stefanov @stoyan.me · Apr 9

most up and coming: most up and coming: calendar.perfplanet.com/2022/a-perfo... by @screenspan.net

A Performance Maturity Matrix

Optimizing the performance of a digital product goes beyond technical tweaks. You have to make systematic changes to the organization behind it. So how to know what part of the system to work on first...

calendar.perfplanet.com

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Stoyan Stefanov @stoyan.me · Apr 9

This month's most popular perfplanet article (according to google search console) calendar.perfplanet.com/2023/digging... by @anniesullie.com

Digging through Chrome traces: an introduction with an example

Introduction to Chrome tracing What is a Chrome trace? If you're just getting started learning about tracing, you should read this fantastic introduction from the Perfetto tracing documentation. I l...

calendar.perfplanet.com

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Stoyan Stefanov @stoyan.me · Apr 8

^^^ Dunning-Kruger in action: if you point someone else's lack of ALT text, you inevitably forget your ALT text too

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Stoyan Stefanov @stoyan.me · Apr 8

lazy, aren't we?

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Stoyan Stefanov @stoyan.me · Apr 3

Read in 2025 so far, in an attempt to work on my attention span

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Stoyan Stefanov @stoyan.me · Mar 31

I need to make like a 100 slides for a class I'm taking and I found this little tool is perfect www.markdowntoolbox.com/tools/conver...

Screenshot of a tool that converts markdown to powerpoint

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Stoyan Stefanov @stoyan.me · Mar 28

There's a special place in Hell for sites with custom <select>s and no keypress handling

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Stoyan Stefanov @stoyan.me · Mar 24

I decided to help the standardebooks.org project by contributing a new Edith Wharton book. This basically means taking a Project Gutenberg copy and cleaning it up to match the standards and best practices to produce an ebook (which is all HTML turns out!) github.com/stoyan/edith...

Standard Ebooks

Free and liberated ebooks, carefully produced for the true book lover. Download free ebooks with professional-quality formatting and typography, in formats compatible with your ereader.

standardebooks.org

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Stoyan Stefanov @stoyan.me · Mar 23

Started playing with ABC music notation and ABCjs library. Here's a helper/lookup/test page with a list MIDI and ABC notation of the 88 keys of a piano
www.onlinemusictools.com/abcjs/

ABCjs Music Notation with Playback

See all the White Piano Keys in ABC notation and MIDI numbers

www.onlinemusictools.com

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Stoyan Stefanov @stoyan.me · Mar 6

update: not only my subdomain. I tried a random one and it was also blocked

Stoyan Stefanov @stoyan.me · Feb 18

and many more! calendar.perfplanet.com/2009/renderi...

Rendering: repaint, reflow/relayout, restyle

What do all these "R" words mean? How does the browser go about displaying your page on the screen, given a chunk of HTML, CSS and possibly JavaScript? When do these processes hurt the user experience...

calendar.perfplanet.com

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Stoyan Stefanov @stoyan.me · Feb 18

I found one here (next to Firebug and something called "PageTest" :D ) calendar.perfplanet.com/2009/perform...

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Stoyan Stefanov @stoyan.me · Feb 17

A first: I have a piece of music now available to buy on a couple of the big sheet music sites

Balkanesque: duet for two pianos

Shop and Buy Balkanesque: duet for two pianos sheet music. Piano Duet sheet music book by Stoyan Stefanov: Augmented Second at Sheet Music Plus. (A0.1595786).

www.sheetmusicplus.com

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Stoyan Stefanov @stoyan.me · Feb 17

The bad: all the Windows machines' Edge browsers refused to connect to my Vercel subdomain. Weird because vercel.com works, vercel.app works (redirects to .com) but not the fontes-locais[DOT]vercel[DOT]app

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Stoyan Stefanov @stoyan.me · Feb 17

I went to Costco to use their computers for a few extra data points for my local fonts study: fontes-locais.vercel.app. The good: even without admin password I was able to download Chrome (required for the study because of `queryLocalFonts()` support) and run it without installing it...

Local Fonts inspector

This little app aims to gather data about locally available fonts across devices and operating systems. The data and the code is open-source, available on GitHub.

fontes-locais.vercel.app

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Stoyan Stefanov @stoyan.me · Feb 14

And skipping protocol e.g. "https://" could "win" you 7 more characters before the shortening kicks in

Stoyan Stefanov @stoyan.me · Feb 14

getting all "scientific" on linkedin's URL shortening logic. Seems like URLs > 26 characters are shortened in posts, but left alone in comments

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