Hacker NewsDec 21

Measuring AI Ability to Complete Long Tasks: Opus 4.5 has 50% horizon of 4h49M

https://metr.org/blog/2025-03-19-measuring-ai-ability-to-complete-long-tasks/

#HackerNews #MeasuringAI #LongTasks #Opus4.5 #AIResearch #TaskCompletion

Measuring AI Ability to Complete Long Tasks

Florian ThomaDec 9

Improving web performance isn’t just about JS.

CSS content-visibility lets browsers skip rendering offscreen elements until needed, cutting Total Blocking Time dramatically.

Read how to use it here:

https://www.innoweb.com.au/blog/optimise-page-redering-performance-lower-tbt-with-css-content-visibility

#WebPerf #Performance #CSS #TBT #longtasks

Optimise page redering performance: Lower TBT with CSS content-visibility - Innoweb: Innovative Web Solutions in Sydney

Discover how CSS content-visibility reduces long tasks and TBT on long pages, boosting Web Vitals and page rendering speed.

Innoweb: Innovative Web Solutions in Sydney
Boris SchapiraJan 12, 2023

#boostmarks "Our top Core Web Vitals recommendations for 2023", Philip Walton (@[email protected]), Rick Viscomi (@[email protected]), Barry Pollard (@tunetheweb), Brendan Kenny (@[email protected]), Jeremy Wagner (@[email protected])

https://web.dev/top-cwv-2023/

#CoreWebVitals #ttfb #cdn #bfcache #longTasks #javascript #fetchpriority #layoutShifts

Our top Core Web Vitals recommendations for 2023

A collection of best practices for optimizing websites' Core Web Vitals performance based on the state of the web in 2023.

web.dev
Boris SchapiraAug 10, 2022

#boostmarks "Long Tasks: What they are and why you should avoid them", Joe Liccini

https://www.webperf.tips/tip/long-tasks/

#longtasks

Long Tasks: What they are and why you should avoid them

In this tip, we'll explain what Long Tasks are and why they can degrade your app's performance.