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iamakulov
searching PlanetScale…
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8 ms
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by
iamakulov
3y ago
> It also seems to be a metric that is very easily gamed. Fun fact: the current JS-specific metric (which is being fazed out) is First Input Delay, and it was explicitly designed to avoid this gaming: > FID only measures the "del
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iamakulov
3y ago
Isn’t that tweet talking about 2.4s for Largest Contentful Paint? It mentions 0.9 for FCP being fast, which I agree is pretty reasonable.
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iamakulov
3y ago
This is correct (source: working in web perf for 5 years). INP is the time between you click/press a key/etc and the moment the next paint happens. It’s only measured for on-page interactions, not for navigations. It’s basically l
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iamakulov
3y ago
Bun’s blog post doesn’t explicitly mention Deno’s “CommonJS is hurting JavaScript” post, but it feels like a response to that. Deno discussion: https://news.ycombinator.com/item?id=36537533
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CommonJS is not going away
(bun.sh)
6 points
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iamakulov
3y ago
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1 comments
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iamakulov
3y ago
Relevant thread, for those who’re curious: https://bugs.chromium.org/p/chromium/issues/detail?id=117805...
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iamakulov
3y ago
Not really. AFAIK (correct me if I’m wrong!) first-party and third-party codecs in media players are kinda equal: you load a file, and the media player picks which codec to delegate that file to. You can’t do that in with a Chrome extension
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iamakulov
4y ago
Hey HackerNews! This fall, I was lucky to help Causal (a web spreadsheet for forecasting) with speeding up their frontend app. Here are some of my favorite findings: - Turns out when React DevTools tell you “the component rerenderd because
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Case study: making a React/Redux app interaction ~4× faster
(3perf.com)
1 points
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iamakulov
4y ago
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1 comments
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iamakulov
4y ago
Modern Yarn supports `yarn patch`: https://yarnpkg.com/cli/patch . For Yarn 1.x and npm, I’ve used https://www.npmjs.com/package/patch-package which also works well.
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iamakulov
4y ago
(Co)author here - happy to answer any questions :) - This was a v fun (and challenging, due to Causal's scale!) project to do - Most optimizations we’ve implemented were (very effective) one-off fixes. But we were also glad to find som
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Case study: Analyzing Notion app performance
(3perf.com)
1 points
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iamakulov
6y ago
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0 comments
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iamakulov
6y ago
Hey Hacker News! I’m a long-time user of Notion (an advanced note-taking app). Notion’s web app has been quite slow for me, so I decided to reverse-engineer it and see why. Here’s a case study with findings and recommendations! TL;DR: * Not
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Case study: Analyzing Notion performance (or making a React app load 30% faster)
(3perf.com)
2 points
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iamakulov
6y ago
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1 comments
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Case study: Analyzing Notion app performance
(3perf.com)
1 points
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iamakulov
6y ago
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0 comments
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How to load polyfills only when needed
(3perf.com)
2 points
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iamakulov
7y ago
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0 comments
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Awesome-webpack-perf: A curated list of webpack tools for web performance
(github.com)
1 points
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iamakulov
7y ago
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0 comments
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Preload, prefetch and other link tags
(3perf.com)
157 points
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iamakulov
8y ago
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26 comments
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iamakulov
8y ago
So, a couple months ago, I discovered a way to make a text that uses Google Fonts render faster. In slow connections, that might give a boost of 1-3 seconds. Recently, I released that as a tool. Here’re more details: — When you use custom f
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500-byte script that makes Google Fonts render faster (up to 3s in slow network)
(3perf.com)
1 points
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iamakulov
8y ago
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1 comments
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iamakulov
8y ago
So, a few weeks ago, I discovered a way to make a text that uses Google Fonts render faster. In slow connections, that might give a boost of 1-3 seconds. Some backstory: * When you use custom fonts (like Google Fonts), most modern browsers
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Show HN: Make Google Fonts Render 1-3 Seconds Faster in Slow Networks
(googlefonts.3perf.com)
8 points
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iamakulov
8y ago
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2 comments
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iamakulov
8y ago
Hey, I’m the author or the article. Kudos for the great work, really like the new site!
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iamakulov
8y ago
So, in summer, I gave an introductory talk into web performance. This is its textual version :) The talk includes 94 slides with text about: — why web performance matters — how to optimize: — JS (async/defer, code splitting)
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Web Performance 101
(3perf.com)
315 points
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iamakulov
8y ago
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53 comments
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Case study: analyzing the Walmart site performance
(iamakulov.com)
1 points
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iamakulov
8y ago
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0 comments
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Backend intro for frontend devs: Part 1, Node.js
(iamakulov.com)
1 points
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iamakulov
9y ago
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0 comments
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Designing APIs: use arrays instead of variable number of arguments
(iamakulov.com)
1 points
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iamakulov
9y ago
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0 comments
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iamakulov
9y ago
npm is working on a solution for misspellings through: https://twitter.com/maybekatz/status/892501201551368192
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iamakulov
9y ago
It’s of 19th July :–(
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