https://macarthur.me/posts/priority-hints/
practical priority hints in examples
Interesting Articles
20 articles tagged as #perf
https://newrelic.com/blog/how-to-relic/opentelemetry-full-stack-javascript
how to do open telemetry with new relic
https://www.nray.dev/blog/300ms-faster-reducing-wikipedias-total-blocking-time/
nice page speed story about TBT
https://2ality.com/2022/09/nodejs-overview.html
how node works in detail very useful to understand microtasks etc
https://www.bbss.dev/posts/eventloop/
great intro to how to optimise stuff, when and why
https://imkev.dev/fetchpriority-opportunity
fetchpriority and its sibling tech well explained
https://calendar.perfplanet.com/2020/cache-forever-assets/
cache forever strategy to avoid even making a request with s3
https://calendar.perfplanet.com/2020/head-of-line-blocking-in-quic-and-http-3-the-details/
heaod of line great explanation
https://calendar.perfplanet.com/2019/the-unseen-performance-costs-of-css-in-js-in-react-apps/
really good tips and analysis on styled components
https://calendar.perfplanet.com/2019/self-hosting-third-party-resources-the-good-the-bad-and-the-ugly/
hosting 3rd party assets on your own pros and cons
https://calendar.perfplanet.com/2019/javascript-component-level-cpu-costs/
use CPU instruction count as a metric for performance
https://calendar.perfplanet.com/2021/caching-understanding-the-scope/
scope caching intro
https://calendar.perfplanet.com/2021/have-core-web-vitals-made-the-web-faster/
very interesting data and stats on web vitals
https://calendar.perfplanet.com/2020/optimizing-performance-with-the-import-on-interaction-pattern/
i knew this trick but i didnt know the name
https://calendar.perfplanet.com/2021/js-self-profiling-api-in-practice/
real user profiling in chrome overview
https://calendar.perfplanet.com/2019/developing-the-largest-contentful-paint-metric/
great article on the process and details behind LCP - how to think about metrics and validate them
https://calendar.perfplanet.com/2019/magic-numbers-or-psychological-thresholds/
Excellent read before analysing CWV - The amount of time user is willing to wait, appears to be a function of the perceived complexity of the request
https://calendar.perfplanet.com/2019/answering-big-questions-with-rum-data/
nice example of performance research on wikimedia. RUM data
https://web.dev/crux-and-rum-differences/
chrome ux - crux data vs rum data differences and tradeoffs
https://calendar.perfplanet.com/2020/beaconing-in-practice/
Telemetry and beaconing, simple cons, pros and strategies. Real-life data on deliverability by method