Mastodawn

Google wants your largest content block on screen in under 2.5 seconds on mobile.

Miss that and your ranking suffers. The lever that moves LCP the most is getting the LCP resource to start loading as early as possible, which usually means trimming render-blocking assets and shipping the initial HTML faster.

https://go.fastruby.io/u4l

#Performance #WebPerf #Rails

Inautilo 1d ago

#Development #Guidelines
Revisiting best practices for HTML video · “We should think more about how we use video on the web.” https://ilo.im/16dyjr

_____
#Videos #LazyLoading #CLS #Accessibility #Browsers #WebPerf #WebDev #Frontend #HTML

WebPerformance Report 5d ago

⚡Featured posts this week from Perf Links by WebPerformance Report:
✨ Declarative partial updates: @[email protected]
✨ The death of Web UI?: @[email protected]
✨ HTML The Standard For SEO: @[email protected]
✨ We Cut Slow Responses by 80%: Francesca Milan
🙏 Special thanks to the authors!
#webperf

Inautilo Jun 18

#Business
The Blink prototype is 28% faster · Why Apple‘s iOS browser engine ban must end https://ilo.im/16dv5v

_____
#Browser #BrowserEngine #WebKit #Blink #iOS #iPadOS #WebPerf #Development #WebDev #Frontend

28% Faster: The Blink Prototype That Shows Why Apple's iOS Browser Engine Ban Must End - Open Web Advocacy

Open Web Advocacy

Nathan Knowler Jun 18

Are MutationObservers and the like idempotent when calling `.observe()` on the same element with the same config? #webperf #javascript

DennisL Jun 18

The 49MB Web Page 😢 😡

https://thatshubham.com/blog/news-audit

"stop letting third-party marketing scripts dictate the website's architecture"

#webdev #webdevelopment #ux #webperf #webperformance

The 49MB Web Page

A look at modern news websites. How programmatic ad-tech, huge payloads and hostile architecture destroyed the reading experience.

Matt Hobbs Jun 16

Another performance win for hosting on
@cloudflare
HTTP/3 advertised over DNS, so browsers can negotiate HTTP/3 on the first connection!
#webperf #dns #cloudflare savearoundtrip.com