
I make the web fast and delightful. Web performance engineer at @SpeedKitcom. Creator of @vanillalazyload. @GoogleDevExpert. #webperf
Italy
Joined August 2009
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Bye Twitter it was a good social media, before it turned into Elon's toy! Find me on Bluesky! 👉 bsky.app/profile/verlok.bsky…
Tired of the lack of a true full-screen option for shared content on Google Meet, I created a bookmarklet to solve the issue, available on GitHub. Read about it here. andreaverlicchi.eu/blog/true…
Friends in the USA, the the world is all eyes on you. Go out and vote. With consciousness. #USA #Election2024 #USAElection2024 See you on the other side!
Andrea Verlicchi retweeted
Nobody says it better than Michelle. Watch this – and then make sure you’re ready to vote tomorrow: IWillVote.com
Check out this insightful blog post by my colleague @screenspan on A/B testing CSS containment for web performance optimization speedkit.com/blog/field-test…
Finally! @Freeletics support for Apple Watch is back. This simplified my trainings a lot, as I can leave my phone in the same place and watch the exercise videos from far. Go! freeletics.com/it/blog/posts…
@Freeletics may I suggest to add the support to the double tap gesture(thumb against 2nd finger twice) to press the “continue” button? It’s currently not supported (see video) but should be a very low-hanging fruit.
Look, @fabkrum came from space to inform us about INP landing on Earth youtube.com/watch?v=baBmt9-c…
Avoid using requestAnimationFrame() for doing any non-visual work. You might block the browser's main thread for a looong time, resulting in high delays for users, and high Interaction to Next Paint. #inp #webvitals #100DaysOfPerf
If a 3rd party injects an overlay with its own style element in a page, when users click to close the overlay, if the DOM node is removed instead of hidden, a big reflow is generated, therefore #INP increases. Difference attached. #100DaysOfPerf #WebPerf #WebVitals #PageSpeed
.@nicolas_frankel just spoke at #DevFest Vienna. Live coding, interaction with the audience, jokes, it was perfect. Thank you #devfestVienna
Maybe now it's time for a little break 😅
andreaverlicchi.eu/talks-how…
Andrea Verlicchi retweeted
Boost your website's performance and user experience with practical tips from web performance expert @verlok at #DevBcn23! Learn how to improve speed, usability, and visibility on search engines while reducing digital marketing costs.
buff.ly/3NpO6hM
Andrea Verlicchi retweeted
Web Performance impacts the environment - and we care about it: @verlok presented practical tips at the @googledevgroups Munich #WebPerformanceMeetup on how to make websites faster. Loved the quiz & talk! – at Munich, Germany
New #webperf era! Interaction to Next Paint (#INP), the metric measuring websites #responsiveness (meaning time to respond to user input) is set to become a core #webvital by March 2024, replacing the outdated First Input Delay (#FID) metric. web.dev/inp-cwv/
Tonight. Bologna, Italy. Web performance, beers, eventually pizza. See you there? meetu.ps/e/LQYLJ/zKMHn/i
Wasn’t it Helvetica? Probably the web font didn’t load. 🤷♂️ #webperf @HenriHelvetica @Catchpoint











