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Web Performance NY

@nywebperf

Meet with other New York web site system administrators, developers, designers and business folks interested in making their sites work fast. @NY@webperf.social

 New York, NY
Joined November 2009
  • Tweets889
  • Following202
  • Followers1.5K
127Media
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NY Web Performance is now on Bluesky! Follow us there for future updates: bsky.app/profile/nywebperf.c…
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See you on March 17th for "The Hidden Performance Cost of Web Videos" by Vlad Malanin! Where: Cloudflare's NYC office Time: Tuesday, March 17th @ 6PM Vlad Malanin, is the Co-Founder & CTO of SpeedSize. RSVP: meetup.com/web-performance-n… See you there!
The Hidden Performance Cost of Web Videos, Tue, Mar 17, 2026, 6:00 PM | Meetup

The Hidden Performance Cost of Web Videos, Tue, Mar 17, 2026, 6:00 PM | Meetup

Media content has become the dominant contributor to page weight and network utilization across modern websites. Content, marketing, product, and other teams are pushing to

meetup.com
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Big TY to Kathryn Lovell & Mike Kozicki for their talks last week! Their slides below: Kathryn's: docs.google.com/presentation… Mike's: github.com/nywebperf/speaker…
Image from Web Performance NY (@nywebperf)
Image from Web Performance NY (@nywebperf)
Image from Web Performance NY (@nywebperf)
Image from Web Performance NY (@nywebperf)
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Tonight @ 6PM at Cloudflare in NYC! "Ad-Supported Sites Without the Slowdown" - Kathryn Lovell "Telescope Test Agent" - Mike Kozicki Registration is closed, please update your RSVP if you can't make it! meetup.com/web-performance-n… #webperf #wpo #perfmatters #meetup
Ad-Supported Sites Without the Slowdown + Telescope Test Agent, Thu, Feb 12, 2026, 6:00 PM | Meetup

Ad-Supported Sites Without the Slowdown + Telescope Test Agent, Thu, Feb 12, 2026, 6:00 PM | Meetup

**Talk 1: Ad-Supported Sites Without the Slowdown** How to keep your site performant when running ads. Using next.js with the ads stack, fetch and refresh timing, wrangling

meetup.com
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PS: We are actively searching for speakers for future events, if you have an interest in web performance or speeding up user experiences, we recommend you to fill out our speaker application form: docs.google.com/forms/d/e/1F… We welcome all levels of experience!
NY Web Performance Speaker Application

NY Web Performance Speaker Application

Interested in speaking at NY Web Performance? You're in the right place! We encourage everyone to apply regardless of experience level in the field or giving talks, we want to hear from you! Yes,...

docs.google.com
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Join us this upcoming Thursday, Feb 12 @ 6PM in NYC for two talks! Talk 1: Kathryn Lovell - "Ad-Supported Sites Without the Slowdown" Talk 2: Mike Kozicki - "Telescope Test Agent" RSVP: meetup.com/web-performance-n… ⚠️ RSVPs close Tue, Feb 10 @ 10AM! #webperformance #meetup
Ad-Supported Sites Without the Slowdown + Telescope Test Agent, Thu, Feb 12, 2026, 6:00 PM | Meetup

Ad-Supported Sites Without the Slowdown + Telescope Test Agent, Thu, Feb 12, 2026, 6:00 PM | Meetup

**Talk 1: Ad-Supported Sites Without the Slowdown** How to keep your site performant when running ads. Using next.js with the ads stack, fetch and refresh timing, wrangling

meetup.com
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Thanks to @Rich_Harris for his Jan talk "Frameworks for humans in the age of machines"! Video/Slides: 📺 youtube.com/watch?v=SmHgtyym… 🖼️ frameworks-for-humans.vercel… Next Thursday, Feb 12th @ Cloudflare we have 2 talks! RSVP: meetup.com/web-performance-n… Joint event w @SvelteSocietyNY
Image from Web Performance NY (@nywebperf)
Image from Web Performance NY (@nywebperf)
Image from Web Performance NY (@nywebperf)
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Join us on February 12th for two talks at @Cloudflare's NYC office! Talk 1: "Ad-Supported Sites Without the Slowdown" - Kathryn Lovell Talk 2: "Telescope Test Agent" - Mike Kozicki RSVP: meetup.com/web-performance-n… See you there! #webperf #wpo #perfmatters #meetup #nyc #talks
Ad-Supported Sites Without the Slowdown + Telescope Test Agent, Thu, Feb 12, 2026, 6:00 PM | Meetup

Ad-Supported Sites Without the Slowdown + Telescope Test Agent, Thu, Feb 12, 2026, 6:00 PM | Meetup

**Talk 1: Ad-Supported Sites Without the Slowdown** How to keep your site performant when running ads. Using next.js with the ads stack, fetch and refresh timing, wrangling

meetup.com
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Join us for a Meet4SPEED session THIS THURSDAY, Jan 22 @ 6PM, in the @fastly Manhattan office. Learn how to optimize sites with us! Have a site you'd like analyzed? Submit here: bit.ly/meet4speed-submit RSVP: meetup.com/web-performance-n… #webperformance #wpo #meetup #nyc

Meet4SPEED Test Submission

Dial into our Meet4SPEED.🔴 LIVE event https://www.meetup.com/web-performance-ny/ and enter you page URL below.

docs.google.com
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TONIGHT, "Frameworks for humans in the age of machines" with Rich Harris @Rich_Harris PLEASE update your RSVPs if you can't attend! Registration is now closed! meetup.com/web-performance-n… Joint event with @SvelteSocietyNY See you there! #webperformance #meetup #webperf #wpo
Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

**Svelte** turns **10 this year** — an eon in web development. After so much time, and at a moment when engineers are increasingly outsourcing the work to agents, is there

meetup.com
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Join us THIS THURSDAY, Jan 15, "Frameworks for humans in the age of machines" with Rich Harris @Rich_Harris PLEASE update your RSVPs if you can't attend! Registration is now closed! RSVP: meetup.com/web-performance-n… Joint event with @SvelteSocietyNY |#webperformance #meetup
Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

**Svelte** turns **10 this year** — an eon in web development. After so much time, and at a moment when engineers are increasingly outsourcing the work to agents, is there

meetup.com
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Happy New Year! Join us next Thursday, January 15 @ 6PM - "Frameworks for humans in the age of machines" with @Rich_Harris PLEASE update your RSVPs if you cannot attend! RSVP: meetup.com/web-performance-n… This is a joint event with @SvelteSocietyNY #webperf #wpo #perfmatters
Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

**Svelte** turns **10 this year** — an eon in web development. After so much time, and at a moment when engineers are increasingly outsourcing the work to agents, is there

meetup.com
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Happy Holidays! Join us on January 15 — "Frameworks for humans in the age of machines" with @Rich_Harris RSVP: meetup.com/web-performance-n… Rich is the creator of Rollup and Svelte. This is a joint event with @SvelteSocietyNY #webperf #wpo #perfmatters
Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup

**Svelte** turns **10 this year** — an eon in web development. After so much time, and at a moment when engineers are increasingly outsourcing the work to agents, is there

meetup.com
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Thanks to ​Scott Jehl​ for his Nov talk "Web Components Can't Save Us (But You Can!)" Video: youtube.com/watch?v=kIvcGlGO… Slides: github.com/nywebperf/speaker… Join us next week, Wed, Dec 18th for our next Meet for SPEED event! RSVP here: meetup.com/web-performance-n…
Web Components Can’t Save Us. (But You Can!)

Web Components Can’t Save Us. (But You Can!)

In this session, Scott Jehl will share how web components and other...

youtube.com
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TONIGHT at 6:00PM @Cloudflare : "Web Components Can’t Save Us. (But You Can!)" with Scott Jehl ! See you all there: meetup.com/Web-Performance-N…
Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

In this session, [Scott Jehl](https://scottjehl.com) will share how web components and other complementary standards can help us move beyond the performance bottlenecks of

meetup.com
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NY Web Performance meetup this Thursday, Nov 20 at 6PM: "Web Components Can’t Save Us. (But You Can!)" with Scott Jehl Join us at the CloudFlare Office in Manhattan! We are fully booked, so PLEASE update your RSVPs if you cannot attend! meetup.com/Web-Performance-N… #webperf #nyc
Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

In this session, [Scott Jehl](https://scottjehl.com) will share how web components and other complementary standards can help us move beyond the performance bottlenecks of

meetup.com
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Pleased to host Scott Jehl for his talk "Web Components Can't Save Us. (But You Can!)" next week! Find us next Thursday, November 20 at the new Cloudflare NYC office in the 1WTC building. RSVP: meetup.com/web-performance-n… #webperformance #performance #nyc #techevent #techtalk
Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

In this session, [Scott Jehl](https://scottjehl.com) will share how web components and other complementary standards can help us move beyond the performance bottlenecks of

meetup.com
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Next event on November 20: Web Components Can’t Save Us. (But You Can!) with Scott Jehl RSVP now: meetup.com/Web-Performance-N… #webperf #wpo #perfmatters
Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

Web Components Can’t Save Us. (But You Can!), Thu, Nov 20, 2025, 6:00 PM | Meetup

In this session, [Scott Jehl](https://scottjehl.com) will share how web components and other complementary standards can help us move beyond the performance bottlenecks of

meetup.com
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Video youtube.com/watch?v=tFzMOee0…  "7 Levels of a Web Performance Journey" talk.  To get notified when the next video is up, subscribe and hit the bell button #webperf #nyc
7 Levels of a Web Performance Journey

7 Levels of a Web Performance Journey

The path to understanding the data around Web Performance, its valu...

youtube.com
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Slides speakerdeck.com/sergeycherny… from "7 Levels of a Web Performance Journey" talk at NY UX Speed and Web Performance meetup at @Cloudflare NYC last week. We'll have video posted to our YouTube channel soon, subscribe here to get updates! youtube.com/user/NYWebPerfor… #webperf #nyc
7 Levels of a Web Performance Journey

7 Levels of a Web Performance Journey

The path to understanding the data around Web Performance, its value and business decisions surrounding this topic can be long. It is hard to see the wh…

speakerdeck.com
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