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Christmas came early! Just got these awesome DebugBear web performance calendars in the mail. Thanks so much Matt Zeunert !!!

Tonight is Web Performance NY's "Meet for Speed" session. We'll be taking requests from attendees for sites to do a performance analysis on! Join us virtually at 6:30pm EDT - meetup.com/web-performanc… Also, feel free to submit sites to analyze here - bit.ly/meet4speed-sub…

Tonight is Web Performance NY's "Meet for Speed" session. We'll be taking requests from attendees for sites to do a performance analysis on! Join us virtually at 6:30pm EDT - meetup.com/web-performanc… Also, feel free to submit sites to analyze here - bit.ly/meet4speed-sub…

I wrote a new blog post about font subsetting and how it can improve #webperf. I've included a few examples and research from the HTTP Archive 💾 . I also created a new tool called "Web Font Analyzer" to analyze fonts on your site. Check it out here - paulcalvano.com/2024-02-16-ide…

Tonight is Web Performance NY's "Meet for Speed" session. We'll be taking requests from attendees for sites to do a performance analysis on! Join us virtually at 6:30pm EDT - meetup.com/web-performanc… Also, feel free to submit sites to analyze here - bit.ly/meet4speed-sub…

Next in-person speaker event on April 18: Font Performance with Paul Calvano at Fastly's new NYC office in Union Square! RSVP now: meetup.com/Web-Performanc… #webperf #wpo #perfmatters

Yesterday I gave a talk about font performance at Web Performance NY. Using the HTTP Archive 💾 I was able to share examples of sites that could benefit from #webperf optimizations on font files. The talk was recorded and will be shared soon, but here's the slides! slideshare.net/slideshow/font…

We just launched our early-bird ticket sales for November 14 & 15, with Kara Erickson, daniel roe 🇺🇦, Karlijn Löwik, Paul Calvano, Mandy Michael, Jason Grigsby 🌻, Anna Migas and Erwin Hofman (perceived) performance, CWV, RUM Who's joining us in Amsterdam, at the fifth #PerfNow? perfnow.nl

After last week's DigiCert certificate revocations, I thought it would be interesting to dig into the HTTP Archive 💾. I found that 1,241,943 websites would have been affected in some way (due to third parties). Imagine how disruptive that could have been! paulcalvano.com/2024-08-04-thi…

I wrote a new tool to help analyze potential third party performance risks on your site. It uses data from WebPageTest™ to group metrics that you can use to estimate if a third party is a performance or failure risk. More details here - paulcalvano.com/2024-09-03-dis…