Principal Product Manager @ Cloudflare • Public Speaker • 20+ YOE in Tech, 10 as CTO • LessonsofaCTO.com
@twnsnd.comWelcome 👋
Ryan Townsend
@twnsnd.com
@twnsnd.com@twnsnd.comIt might look weird but it's correct (I had the same thought!). Because of the way we're bucketing by the overall LCP first, those in the 'Slow' bucket spend more of their time elsewhere.
@twnsnd.comSo happy to share mine & @nicj.net's first @cloudflare.social blog post—during our 16th Birthday Week no less! 🥳
Today we announce BEACON, a #webperf research dataset we're contributing to the @rumarchive.com community.
@twnsnd.comStrong choices 💪
@jakearchibald.comReposted by @twnsnd.comI've proposed "progressive image rendering" as a focus area for Interop 2027, so we can get progressive JPEG XL support in Safari, and progressive AVIF support in both Safari and Firefox. github.com/web-platform...
github.comProgressive image rendering for JPEG XL and AVIF · Issue #1459 · web-platform-tests/interopDescription When we looked into JPEG XL, I asked developers why they were interested in the format, and the most common answer was "progressive rendering". This is now working in Firefox and Chrome...
@patrickbrosset.comReposted by @twnsnd.com📢 Lot's of updates in our new Edge for devs issue: OpaqueRange, referenceTarget, window-drag, <install>, WebMCP, and more!
@twnsnd.comThanks for this, it will be very useful!
@viewportconf.orgReposted by @twnsnd.comWe just finished the beta of our website. Look out for updates on Viewport soon!
You can sign up to our mailing list to be kept in the loop. viewportconf.org
@infrequently.orgReposted by @twnsnd.comJeremy's whole post is worth a read, and I would underline + bold the last point: the web is the superior choice for privacy and security, and it's anti-web *and anti-user* to be preferencing native app install affordances:
adactio.comStalling installingTrying to get past Webkit’s blockage at the W3C.
@tunetheweb.comReposted by @twnsnd.comWe just launched experimental ad metrics in the Chrome User Experience Report (CrUX):
- Ad Count
- Ad Density
- Ad Weight: Network
- Ad Weight: CPU
These metrics are a set of ad-related measurements that provide transparency into sites' ad experiences.
developer.chrome.com/blog/crux-ad...
1/8 🧵
developer.chrome.comNew ad metrics in Chrome User Experience Report | Blog | Chrome for DevelopersLearn about the new ad metrics now available in the Chrome User Experience Report (CrUX)
@twnsnd.comI can't attend in person, but NY folk should! Sufian is a talented engineer who I'm lucky to call one of my colleagues.
@patrickbrosset.comReposted by @twnsnd.comInterop 2027 prep is now. Want to help?
1. Go to developer-signals.rviscomi.workers.dev
2. Sign-in using GitHub
3. Find features you need
4. Click the comment icon, add your use case
5. Submit
There aren't many ways to tell browsers what you need and why you need them.
That's a very effective one.
@twnsnd.comWish I could have been there! All the best for a smooth run, you too @bugdan.dev!
@twnsnd.comI'll trade you for my Cumulative Layout Shift 😉 github.com/web-platform...
@erwinhofman.bsky.socialReposted by @twnsnd.comSo, submit your own proposal or give a 👍 to already listed/proposed features you'd like to see supported across browsers.
Starting with LoAF when unsure where to start upvoting 😜
github.com/web-platform...
RUM tools, developers and ultimately site visitors will all benefit!
3/3
@twnsnd.comI see you went to “Earnest?”… I ended up playing Lady Bracknell 🤣 serves me right for sitting on the front row!
@twnsnd.comWish I could have stuck around to join you two after the Fringe this weekend!
@twnsnd.comReminder: you can use our RUM service to measure your #webperf completely for free, even if you don’t proxy traffic through our CDN or even use our DNS!
@twnsnd.comHuge milestone for Cloudflare RUM (aka Web Analytics) today! @nicj.net completed his first major update: support for the Soft Navigations API 🎉 🎉 🎉 see: developers.cloudflare.com/changelog/po...
Hat-tip to @tunetheweb.com, @mmocny.com and @yoav.ws for their work and support on the API 🧡
@twnsnd.comCan 2027 be the year we finally get all the Core Web Vitals in all browsers? 🙏
Work your magic folks: github.com/web-platform... #webperf
