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Prikvačeni tweet
Super glad to announce that I & @addyosmani made a web performance guide for webpack! — Making front-end smaller — Improving caching — Monitoring it to stay fast Live at Web Fundamentals: https://developers.google.com/web/fundamentals/performance/webpack/ …pic.twitter.com/WrBQoTqUW5
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Ivan Akulov proslijedio/la je Tweet
Okay, it’s Friday – let’s have some web perf fun! 1) Run a webpack build with webpack-bundle-analyzer 2) Take a screenshot and reply to this tweet 3) I’ll dig and see what to improve!
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Okay, it’s Friday – let’s have some web perf fun! 1) Run a webpack build with webpack-bundle-analyzer 2) Take a screenshot and reply to this tweet 3) I’ll dig and see what to improve!
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Half-a-year ago, I wrote a blog post – and today, I finally realized how it should look and rewrote it.
“Quick apps in 3 steps”: three things that’d help to make an app faster if you have don’t have time for this at all →https://3perf.com/blog/perf-for-startups/ …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Ivan Akulov proslijedio/la je Tweet
New article: how I use service workers to cut my site's HTML payload size (and FCP) in half!
This is a fairly advanced technique, but it's one of the best ways I know to improve perf—and users with limited data plans will thank you!
https://philipwalton.com/articles/smaller-html-payloads-with-service-workers/ …pic.twitter.com/I0Vsh6L8x8
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Ivan Akulov proslijedio/la je Tweet
Announcing Treo Sites – Real user monitoring with zero-setup
#webperf
User experience metrics without setup and tracking
Competitive analysis based on real-world data
Powered by @ChromeUXReport Check it out
https://treo.sh/sites pic.twitter.com/sX3Uqn2DBG
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TIL about HTTP/2 coalescing. It’s a way for browsers to re-use a single connection for different domains – and it helps to work around domain sharding (= http://cdn1.website.com , http://cdn2.website.com , ...). Here’s how it works in practice: https://daniel.haxx.se/blog/2016/08/18/http2-connection-coalescing/ …pic.twitter.com/5Ie859gpXB
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Ivan Akulov proslijedio/la je Tweet
A
#webperf tale from the ongoing performance journey of@FirefoxDevTools. Or, how we got rid of one performance cliff in the Network panel & the workflows and tools that got us there. Starting with: https://perfht.ml/348sQU1
by /@digitaraldpic.twitter.com/b0P7lgKegX
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A different piece of data: Instagram removed all Babel syntax transforms and got bundles that are 6% smaller https://instagram-engineering.com/making-instagram-com-faster-code-size-and-execution-optimizations-part-4-57668be796a8 …pic.twitter.com/pQ24d1JIUY
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Ivan Akulov proslijedio/la je Tweet
I've written some thoughts about what the key
#webperf technologies of 2020 could be. Spoiler alert: not 5G or HTTP/3.https://simonhearne.com/2019/2020-predictions/ …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Tip from
@tkadlec, hot off the press: When you’re profiling a website performance, type `-has-response-header:Content-Encoding` into the network filter. This will find you all resources that are not compressed with gzip/Brotli (= are a good low hanging fruit to optimize)pic.twitter.com/rxcoFX33bX
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Ivan Akulov proslijedio/la je Tweet
Time for a review of 100 perf-related webpack plugins by
@iamakulov so that you don’t have to. Thank you!#perfnowpic.twitter.com/HLkuzkSdEI
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Ivan Akulov proslijedio/la je Tweet
The --enable-gpu-benchmarking flag exposes a wealth of low-level graphics statistics. Good for CI regression testingpic.twitter.com/O6yKf23v6g
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4) Lighthouse 6 (coming in Jan) is going to change the scoring algorithm. It will replace two metrics and change their weights. This means that somewhere in 2020, when PageSpeed Insights gets updated to use it, your site’s score can suddenly change. https://paulirish.github.io/lh-scorecalc/ pic.twitter.com/JhAHY2PLhr
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3) Lighthouse is getting three new metrics: — Largest Contentful Paint: https://web.dev/lcp/ — Total Blocking Time: https://web.dev/tbt/ — Cumulative Layout Shift: https://web.dev/cls/ (Description in screenshots)pic.twitter.com/djVQlAtsXf
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2) Google released 4 React hooks to help you write different logic if: — the connection is slow — the client asks to save data — the device isn’t powerful (CPU or memory are low) No good SSR support yet though. https://github.com/GoogleChromeLabs/react-adaptive-hooks …pic.twitter.com/AkWzgK5mIg
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1) Chrome is going to visually mark slow sites. A possible – not finalized – UX is in the picture. It’s interesting whether this will result in users waiting for slow sites for longer (because they get visual feedback sooner) or for shorter (because they get told a site is slow)pic.twitter.com/oKAtvk9tJF
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Calibre summarized all performance announcements from Chrome Dev Summit: https://calibreapp.com/blog/performance-at-chrome-dev-summit …
Here’re my summary of their summary + extra notes, in one thread ↓Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Ivan Akulov proslijedio/la je Tweet
In 2013 I was considering doing a JS/asm talk "from the future". Then
@worrydream's "The Future of Programming" came out, set in 1973. That made me hurry up and do "The Birth & Death of JavaScript" in case this conceit became overused. (It did not!)https://twitter.com/iamakulov/status/1189659229935849472 …Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
TL;DR: polyfills affect the bundle size a lot, whereas syntax transforms almost don’t. Use http://polyfill.io or serve different bundles for different user agents to ship less codehttps://twitter.com/DebugBear/status/1194644788764708864 …
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