🆕 Introducing navigation types support 🆕

• Instant access to reload, bf-cache, http-cache, and prerender types
• Explore navigations on the map and find #webperf anomalies
• Based on the newest CrUX BQ data

Check your site: treo.sh/sitespeed

#webperf tip : #CSS

#webperf tip : #CSS

Using a Web Font (specially if not from Google Fonts) and having problems with CLS caused by the font swap? Take a look at this article
publishing-project.rivendellweb.net/calculating-fo…
Notice that the article does not cover size-adjust, so you will need to find that number in a try/fail approach
#webperf

TIL that an HTML comment (<!-- -->) breaks a text tag in 2 and open room for a CLS in the second one when a custom font loads.
Open this pen, throttle your network on devools, open console and rerun the pen. Try the same without HTML comment
codepen.io/Rafael-Lebre/p…
#webperf

Google team announced navigation types two days ago and we're the first to give you the full power of the CrUX BigQuery dataset to improve your site's #webperf

twitter.com/ChromeUXReport…

Putting the last touches on the next issue of the Speed Matters newsletter. Shockingly, it includes #webperf content beyond INP! 😉

Browse the archive and join the 14K discerning folks on our subscriber list: speedcurve.com/newsletter/ #ux

Some extreme tuning to remove extra bytes have reduced the problem on most of my pages. The initial rendering now has enough information to avoid CLS of due to the search form being incomplete. #webperf

New free core web vitals tool in town. Compare your competitors :)

Happy weekend: rumvision.com/tools/core-web…

#corewebvitals #webperf

At the next Toronto Web Perf, we have Sentry's own Lazar Nikolov. He will share performance elements of RSCs. Join us:
📅 Wednesday April 17
📍 Mozilla Toronto
🎟️ + details: bit.ly/100dop-day64
#webperf RT? ⚡️
#100DaysOfPerf

What is a good TTFB for ecommerce?

erwinhofman.com/blog/what-is-a… by Erwin Hofman (perceived) performance, CWV, RUM

#WebPerf #Performance #TTFB

Good TTFB values are 0.8 seconds or less, and poor values are greater than 1.8 seconds.

👉 web.dev/articles/ttfb

#WebPerf #TTFB

Don’t get scammed by fake performance experts and apps: performance.shopify.com/blogs/blog/don… #webperf

🎉 WebPerformance Report Week #14. Delivered ✅
Ready for next week's WebPerformance Report? Join our community by subscribing from our website:
👉 webperformancereport.com
#webperf #corewebvitals #webperf ormance #buildinpublic

🟠 Cache Ruins Everything Around Me
show 753
Syntax is Wes Bos & Scott Tolinski - Syntax.fm
Discussion about cache invalidation issues when caching user-specific data, solutions & drawbacks like flash of unstyled content.
#caching #webdev #webperf

syntax.fm/show/753/cache…

Two Small changes and our 𝗽𝟳𝟱 𝗜𝗡𝗣 reduced by 𝟰𝟬%
(from 189 to 116)

1. Wrapping Analytics and logger in 𝗿𝗲𝗾𝘂𝗲𝘀𝘁𝗔𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝗙𝗿𝗮𝗺𝗲
2. Wrapping dom manipulation in 𝗿𝗲𝗾𝘂𝗲𝘀𝘁𝗔𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝗙𝗿𝗮𝗺𝗲

#CoreWebVitals #INP #WebPerf #Svelte #Svelte kit

.Firefox DevTools have always exposed really interesting features. Julien Wajsberg + Nazim Can will be our guests April 17th, sharing new FF devtools features for best #webperf analysis and debugging. JOIN US:
🎟️ bit.ly/100dop-day64
#100DaysOfPerf

🔥Webperf tip:

Have a large dom?
Prerender your templates into the <template /> element and render it, when it needs to be rendered

Great for things like:
✅Dropdowns
✅Dialogs
✅Toggable things
✅Non visible content in the carousel
...

#html #javascript #react #vue #php

Downtime happens. That's why there's AlertBot.

Fight back against website downtime and try out AlertBot FREE today! AlertBot.com

#webperf #downtime happens #downtime #websitemonitoring #webperf ormance